{"title":"Carburetor Pumps","description":null,"products":[{"product_id":"30cc-accelerator-pump-diaphragm","title":"Advanced Engine Design 30cc Accelerator Pump Diaphragm — Fits Holley Carburetors","description":"\u003cdiv style=\"background:#f7f7f7;border-left:4px solid #c00000;padding:14px 18px;margin:0 0 18px;\"\u003e\n\u003ch3 style=\"margin:0 0 6px;font-size:1.1em;\"\u003eAbout Advanced Engine Design\u003c\/h3\u003e\n\u003cp style=\"margin:0;font-size:0.95em;line-height:1.55;\"\u003eAdvanced Engine Design engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full Advanced Engine Design lineup with fast shipping and expert fitment support — order with confidence.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch3 style=\"margin:24px 0 8px;\"\u003eWatch in action\u003c\/h3\u003e\u003cdiv style=\"position:relative;padding-bottom:56.25%;height:0;overflow:hidden;margin:0 0 18px;border-radius:6px;\"\u003e\u003ciframe src=\"https:\/\/www.youtube.com\/embed\/XzbyTAcVR8Q\" style=\"position:absolute;top:0;left:0;width:100%;height:100%;border:0;\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture\" allowfullscreen loading=\"lazy\"\u003e\u003c\/iframe\u003e\u003c\/div\u003e\n\u003ch2\u003eOptimize Fuel Delivery with Advanced Engine Design\u003c\/h2\u003e\u003cp\u003eEnsure your engine receives the precise fuel volume it needs during throttle transitions with the Advanced Engine Design 30cc Accelerator Pump Diaphragm. Designed for high-performance Holley carburetors, this diaphragm is a critical component for maintaining smooth acceleration and eliminating flat spots in your powerband. Whether you are tuning for the street or the track, a fresh diaphragm is essential for consistent fuel delivery.\u003c\/p\u003e\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eCapacity: 30cc volume\u003c\/li\u003e\n\u003cli\u003eMaterial: High-durability rubber\u003c\/li\u003e\n\u003cli\u003eCompatibility: Designed for Holley carburetor systems\u003c\/li\u003e\n\u003cli\u003eApplication: Gas fuel systems\u003c\/li\u003e\n\u003cli\u003eQuantity: Sold individually\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eOver time, rubber components inside your carburetor can degrade due to fuel additives and heat, leading to poor throttle response or fuel leaks. This replacement diaphragm is engineered to meet or exceed OEM specifications, providing a reliable seal and consistent pump stroke. Installation is straightforward, making it an ideal maintenance item for any performance enthusiast looking to keep their carburetor functioning at its peak. By choosing Advanced Engine Design, you are investing in quality components that prioritize longevity and performance under demanding conditions. Trust GGCRACING for all your high-performance fuel system needs and get your engine running smoothly today.\u003c\/p\u003e\n\u003cdiv style=\"margin:24px 0;border-top:1px solid #eee;padding-top:18px;\"\u003e\n\u003ch3 style=\"margin:0 0 6px;\"\u003eOften bought with\u003c\/h3\u003e\n\u003cp style=\"font-size:0.9em;color:#555;margin:0 0 8px;\"\u003eOther popular Advanced Engine Design products customers consider together:\u003c\/p\u003e\n\u003cul style=\"padding-left:20px;margin:0;\"\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/350-500cfm-holley-renew-kit\" style=\"color:#0066cc;text-decoration:none;\"\u003eAdvanced Engine Design Holley 2300 Carburetor Rebuild Kit — 350-500 CFM\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/350-500cfm-holley-pro-series-renew-kit\" style=\"color:#0066cc;text-decoration:none;\"\u003eAdvanced Engine Design 350-500 CFM Holley 2300 Pro Series Carburetor Renew Kit — Gas\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/390-950cfm-holley-renew-kit\" style=\"color:#0066cc;text-decoration:none;\"\u003eAdvanced Engine Design Holley 4150 Performance Renew Kit — 390-1000 CFM Carburetor Rebuild\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/390-950cfm-holley-pro-series-renew-kit\" style=\"color:#0066cc;text-decoration:none;\"\u003eAdvanced Engine Design Holley 4150 Pro Series Renew Kit — 390-1000 CFM Carburetor Rebuild\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/390-950cfm-holley-renew-kit-alcohol\" style=\"color:#0066cc;text-decoration:none;\"\u003eAdvanced Engine Design Holley 4150 Alcohol Renew Kit — 390-950 CFM Carburetor Rebuild\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\/\",\"@type\":\"Product\",\"name\":\"Advanced Engine Design 30cc Accelerator Pump Diaphragm \\u2014 Fits Holley Carburetors\",\"description\":\"Restore your carburetor performance with the Advanced Engine Design 30cc Accelerator Pump Diaphragm. Durable rubber construction for Holley carbs. Buy now!\",\"brand\":{\"@type\":\"Brand\",\"name\":\"Advanced Engine Design\"},\"mpn\":\"5335\",\"url\":\"https:\/\/ggcracing.com\/products\/30cc-accelerator-pump-diaphragm\",\"offers\":{\"@type\":\"Offer\",\"price\":\"5.58\",\"priceCurrency\":\"USD\",\"availability\":\"https:\/\/schema.org\/InStock\",\"url\":\"https:\/\/ggcracing.com\/products\/30cc-accelerator-pump-diaphragm\",\"sku\":\"BJLH_5335\"}}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"BreadcrumbList\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/ggcracing.com\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Parts \u0026 Accessories\",\"item\":\"https:\/\/ggcracing.com\/collections\/parts-\u0026-accessories\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Advanced Engine Design\",\"item\":\"https:\/\/ggcracing.com\/collections\/vendors?q=Advanced+Engine+Design\"},{\"@type\":\"ListItem\",\"position\":4,\"name\":\"Advanced Engine Design 30cc Accelerator Pump Diaphragm \\u2014 Fits Holley Carburetors\",\"item\":\"https:\/\/ggcracing.com\/products\/30cc-accelerator-pump-diaphragm\"}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"Does the Advanced Engine Design 30cc Accelerator Pump Diaphragm \\u2014 Fits Holley Carburetors fit my vehicle?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Compatibility depends on your exact year, make, and model. Contact our experts at GGCRACING with your VIN and we'll verify before you order.\"}},{\"@type\":\"Question\",\"name\":\"How long is shipping for Advanced Engine Design?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Most in-stock items ship same or next business day. Free shipping on orders over $99 in the continental US. Tracking is provided via email as soon as your order leaves our warehouse.\"}},{\"@type\":\"Question\",\"name\":\"How do I install the Advanced Engine Design 30cc Accelerator Pump Diaphragm \\u2014 Fits Holley Carburetors?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Most installs are bolt-on with basic hand tools. See manufacturer documentation for torque specs and procedures.\"}}]}\u003c\/script\u003e","brand":"Advanced Engine Design","offers":[{"title":"Default Title","offer_id":40866594521172,"sku":"BJLH_5335","price":5.96,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0552\/3210\/2484\/files\/AED5335.jpg?v=1714265392"},{"product_id":"30cc-pump-diamphragm-10pk","title":"Advanced Engine Design 5335X Holley 30cc Accelerator Pump Diaphragm Kit (10-Pack) — Rubber, Gas Safe","description":"\u003cdiv style=\"background:#f7f7f7;border-left:4px solid #c00000;padding:14px 18px;margin:0 0 18px;\"\u003e\n\u003ch3 style=\"margin:0 0 6px;font-size:1.1em;\"\u003eAbout Advanced Engine Design\u003c\/h3\u003e\n\u003cp style=\"margin:0;font-size:0.95em;line-height:1.55;\"\u003eAdvanced Engine Design engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full Advanced Engine Design lineup with fast shipping and expert fitment support — order with confidence.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch3\u003eBulk Value: Advanced Engine Design 30cc Accelerator Pump Diaphragm 10-Pack for Holley Carburetors\u003c\/h3\u003e\u003cp\u003eFor enthusiasts and professional tuners who frequently service or rebuild Holley carburetors, the Advanced Engine Design 5335X 30cc Accelerator Pump Diaphragm 10-Pack offers unparalleled value and convenience. This bulk kit ensures you always have a fresh supply of these vital components on hand, allowing you to quickly address issues like throttle hesitation or fuel delivery inconsistencies. Each diaphragm is engineered to restore the crisp, immediate throttle response that defines a perfectly tuned Holley carburetor, eliminating frustrating flat spots during acceleration.\u003c\/p\u003e\u003ch2\u003ePremium Quality, Economical Solution\u003c\/h2\u003e\u003cp\u003eEvery diaphragm in this 10-pack is crafted from high-quality, fuel-resistant rubber, designed to endure the demanding conditions within your carburetor. The 30cc capacity ensures a consistent and powerful shot of fuel, critical for preventing engine bogging and maintaining peak performance across all RPMs. Being gas-safe, these diaphragms are compatible with a wide range of modern fuels, providing reliable operation and extended durability. Investing in this multi-pack not only saves you money in the long run but also guarantees that your Holley carburetors are always ready for optimal performance.\u003c\/p\u003e\u003ch3\u003eKey Features and Benefits:\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBulk 10-Pack:\u003c\/strong\u003e Excellent value for frequent maintenance or multiple carburetors.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHolley Carburetor Compatibility:\u003c\/strong\u003e Precision-engineered for a perfect fit.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e30cc Fuel Shot:\u003c\/strong\u003e Ensures robust and consistent fuel delivery.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable, Gas-Safe Rubber:\u003c\/strong\u003e Built to resist fuel degradation and wear.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRestores Throttle Response:\u003c\/strong\u003e Eliminates bogging and hesitation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEssential for Rebuilds:\u003c\/strong\u003e A must-have for any serious carburetor technician or enthusiast.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eEnsure your Holley carburetors are always performing at their best with the Advanced Engine Design 5335X 30cc Accelerator Pump Diaphragm 10-Pack. Trust GGCRACING for all your high-performance carburetor component needs.\u003c\/p\u003e\n\u003cdiv style=\"margin:24px 0;border-top:1px solid #eee;padding-top:18px;\"\u003e\n\u003ch3 style=\"margin:0 0 6px;\"\u003eOften bought with\u003c\/h3\u003e\n\u003cp style=\"font-size:0.9em;color:#555;margin:0 0 8px;\"\u003eOther popular Advanced Engine Design products customers consider together:\u003c\/p\u003e\n\u003cul style=\"padding-left:20px;margin:0;\"\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/350-500cfm-holley-renew-kit\" style=\"color:#0066cc;text-decoration:none;\"\u003eAdvanced Engine Design Holley 2300 Carburetor Rebuild Kit — 350-500 CFM\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/350-500cfm-holley-pro-series-renew-kit\" style=\"color:#0066cc;text-decoration:none;\"\u003eAdvanced Engine Design 350-500 CFM Holley 2300 Pro Series Carburetor Renew Kit — Gas\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/390-950cfm-holley-renew-kit\" style=\"color:#0066cc;text-decoration:none;\"\u003eAdvanced Engine Design Holley 4150 Performance Renew Kit — 390-1000 CFM Carburetor Rebuild\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/390-950cfm-holley-pro-series-renew-kit\" style=\"color:#0066cc;text-decoration:none;\"\u003eAdvanced Engine Design Holley 4150 Pro Series Renew Kit — 390-1000 CFM Carburetor Rebuild\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/390-950cfm-holley-renew-kit-alcohol\" style=\"color:#0066cc;text-decoration:none;\"\u003eAdvanced Engine Design Holley 4150 Alcohol Renew Kit — 390-950 CFM Carburetor Rebuild\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\/\",\"@type\":\"Product\",\"name\":\"Advanced Engine Design 5335X Holley 30cc Accelerator Pump Diaphragm Kit (10-Pack) \\u2014 Rubber, Gas Safe\",\"description\":\"Stock up on essential Holley carburetor parts with the Advanced Engine Design 5335X 30cc accelerator pump diaphragm 10-pack. Durable rubber, gas-safe for reliable fuel delivery. Shop now!\",\"brand\":{\"@type\":\"Brand\",\"name\":\"Advanced Engine Design\"},\"mpn\":\"5335X\",\"url\":\"https:\/\/ggcracing.com\/products\/30cc-pump-diamphragm-10pk\",\"offers\":{\"@type\":\"Offer\",\"price\":\"40.06\",\"priceCurrency\":\"USD\",\"availability\":\"https:\/\/schema.org\/InStock\",\"url\":\"https:\/\/ggcracing.com\/products\/30cc-pump-diamphragm-10pk\",\"sku\":\"BJLH_5335X\"}}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"BreadcrumbList\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/ggcracing.com\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Parts \u0026 Accessories\",\"item\":\"https:\/\/ggcracing.com\/collections\/parts-\u0026-accessories\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Advanced Engine Design\",\"item\":\"https:\/\/ggcracing.com\/collections\/vendors?q=Advanced+Engine+Design\"},{\"@type\":\"ListItem\",\"position\":4,\"name\":\"Advanced Engine Design 5335X Holley 30cc Accelerator Pump Diaphragm Kit (10-Pack) \\u2014 Rubber, Gas Safe\",\"item\":\"https:\/\/ggcracing.com\/products\/30cc-pump-diamphragm-10pk\"}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"Does the Advanced Engine Design 5335X Holley 30cc Accelerator Pump Diaphragm Kit (10-Pack fit my vehicle?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Compatibility depends on your exact year, make, and model. Contact our experts at GGCRACING with your VIN and we'll verify before you order.\"}},{\"@type\":\"Question\",\"name\":\"How long is shipping for Advanced Engine Design?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Most in-stock items ship same or next business day. Free shipping on orders over $99 in the continental US. Tracking is provided via email as soon as your order leaves our warehouse.\"}},{\"@type\":\"Question\",\"name\":\"How do I install the Advanced Engine Design 5335X Holley 30cc Accelerator Pump Diaphragm Kit (10-Pack?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Most installs are bolt-on with basic hand tools. See manufacturer documentation for torque specs and procedures.\"}}]}\u003c\/script\u003e","brand":"Advanced Engine Design","offers":[{"title":"Default Title","offer_id":40866594652244,"sku":"BJLH_5335X","price":42.85,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0552\/3210\/2484\/files\/AED5335X.jpg?v=1714265417"},{"product_id":"50cc-accelerator-pump-diaphragm","title":"Advanced Engine Design 50cc Accelerator Pump Diaphragm — Fits Holley Carburetors","description":"\u003cdiv style=\"background:#f7f7f7;border-left:4px solid #c00000;padding:14px 18px;margin:0 0 18px;\"\u003e\n\u003ch3 style=\"margin:0 0 6px;font-size:1.1em;\"\u003eAbout Advanced Engine Design\u003c\/h3\u003e\n\u003cp style=\"margin:0;font-size:0.95em;line-height:1.55;\"\u003eAdvanced Engine Design engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full Advanced Engine Design lineup with fast shipping and expert fitment support — order with confidence.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch3 style=\"margin:24px 0 8px;\"\u003eWatch in action\u003c\/h3\u003e\u003cdiv style=\"position:relative;padding-bottom:56.25%;height:0;overflow:hidden;margin:0 0 18px;border-radius:6px;\"\u003e\u003ciframe src=\"https:\/\/www.youtube.com\/embed\/XzbyTAcVR8Q\" style=\"position:absolute;top:0;left:0;width:100%;height:100%;border:0;\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture\" allowfullscreen loading=\"lazy\"\u003e\u003c\/iframe\u003e\u003c\/div\u003e\n\u003ch2\u003eMaximize Throttle Response with 50cc Capacity\u003c\/h2\u003e\u003cp\u003eThe Advanced Engine Design 50cc Accelerator Pump Diaphragm is engineered for performance enthusiasts who demand instant throttle response. Designed specifically for Holley carburetors, this 50cc diaphragm delivers a larger volume of fuel during initial acceleration, effectively eliminating hesitation and bogging under heavy load. It is the perfect upgrade for engines requiring a richer fuel shot to maintain power during aggressive driving or drag racing applications.\u003c\/p\u003e\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eCapacity: 50cc high-volume shot\u003c\/li\u003e\n\u003cli\u003eMaterial: Premium rubber construction\u003c\/li\u003e\n\u003cli\u003eCompatibility: Fits Holley carburetors\u003c\/li\u003e\n\u003cli\u003eFuel Type: Gas\u003c\/li\u003e\n\u003cli\u003eQuantity: Sold as one individual unit\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eMaintaining the health of your carburetor's accelerator pump is vital for engine longevity and performance. Over time, diaphragms can harden or develop micro-tears, resulting in inconsistent fuel delivery. This replacement part is manufactured to strict tolerances, ensuring a perfect fit and reliable operation. Whether you are restoring a classic muscle car or tuning a high-output race engine, this 50cc diaphragm provides the consistent fuel discharge necessary for peak performance. Its durable rubber composition is designed to withstand the harsh environment of modern fuel systems, ensuring you spend more time on the road and less time in the garage. Upgrade your fuel delivery system with confidence. Explore the full range of carburetor components available at GGCRACING to keep your engine running at its absolute best.\u003c\/p\u003e\n\u003cdiv style=\"margin:24px 0;border-top:1px solid #eee;padding-top:18px;\"\u003e\n\u003ch3 style=\"margin:0 0 6px;\"\u003eOften bought with\u003c\/h3\u003e\n\u003cp style=\"font-size:0.9em;color:#555;margin:0 0 8px;\"\u003eOther popular Advanced Engine Design products customers consider together:\u003c\/p\u003e\n\u003cul style=\"padding-left:20px;margin:0;\"\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/350-500cfm-holley-renew-kit\" style=\"color:#0066cc;text-decoration:none;\"\u003eAdvanced Engine Design Holley 2300 Carburetor Rebuild Kit — 350-500 CFM\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/350-500cfm-holley-pro-series-renew-kit\" style=\"color:#0066cc;text-decoration:none;\"\u003eAdvanced Engine Design 350-500 CFM Holley 2300 Pro Series Carburetor Renew Kit — Gas\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/390-950cfm-holley-renew-kit\" style=\"color:#0066cc;text-decoration:none;\"\u003eAdvanced Engine Design Holley 4150 Performance Renew Kit — 390-1000 CFM Carburetor Rebuild\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/390-950cfm-holley-pro-series-renew-kit\" style=\"color:#0066cc;text-decoration:none;\"\u003eAdvanced Engine Design Holley 4150 Pro Series Renew Kit — 390-1000 CFM Carburetor Rebuild\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/390-950cfm-holley-renew-kit-alcohol\" style=\"color:#0066cc;text-decoration:none;\"\u003eAdvanced Engine Design Holley 4150 Alcohol Renew Kit — 390-950 CFM Carburetor Rebuild\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\/\",\"@type\":\"Product\",\"name\":\"Advanced Engine Design 50cc Accelerator Pump Diaphragm \\u2014 Fits Holley Carburetors\",\"description\":\"Boost your throttle response with the Advanced Engine Design 50cc Accelerator Pump Diaphragm. 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Order your performance part today!\",\"brand\":{\"@type\":\"Brand\",\"name\":\"Advanced Engine Design\"},\"mpn\":\"5337\",\"url\":\"https:\/\/ggcracing.com\/products\/50cc-accelerator-pump-diaphragm\",\"offers\":{\"@type\":\"Offer\",\"price\":\"8.59\",\"priceCurrency\":\"USD\",\"availability\":\"https:\/\/schema.org\/InStock\",\"url\":\"https:\/\/ggcracing.com\/products\/50cc-accelerator-pump-diaphragm\",\"sku\":\"BJLH_5337\"}}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"BreadcrumbList\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/ggcracing.com\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Parts \u0026 Accessories\",\"item\":\"https:\/\/ggcracing.com\/collections\/parts-\u0026-accessories\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Advanced Engine Design\",\"item\":\"https:\/\/ggcracing.com\/collections\/vendors?q=Advanced+Engine+Design\"},{\"@type\":\"ListItem\",\"position\":4,\"name\":\"Advanced Engine Design 50cc Accelerator Pump Diaphragm \\u2014 Fits Holley Carburetors\",\"item\":\"https:\/\/ggcracing.com\/products\/50cc-accelerator-pump-diaphragm\"}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"Does the Advanced Engine Design 50cc Accelerator Pump Diaphragm \\u2014 Fits Holley Carburetors fit my vehicle?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Compatibility depends on your exact year, make, and model. Contact our experts at GGCRACING with your VIN and we'll verify before you order.\"}},{\"@type\":\"Question\",\"name\":\"How long is shipping for Advanced Engine Design?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Most in-stock items ship same or next business day. Free shipping on orders over $99 in the continental US. Tracking is provided via email as soon as your order leaves our warehouse.\"}},{\"@type\":\"Question\",\"name\":\"How do I install the Advanced Engine Design 50cc Accelerator Pump Diaphragm \\u2014 Fits Holley Carburetors?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Most installs are bolt-on with basic hand tools. See manufacturer documentation for torque specs and procedures.\"}}]}\u003c\/script\u003e","brand":"Advanced Engine Design","offers":[{"title":"Default Title","offer_id":40866597601364,"sku":"BJLH_5337","price":9.18,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0552\/3210\/2484\/files\/AED5337.jpg?v=1714265434"},{"product_id":"50cc-pump-diaphragms-10pk","title":"Advanced Engine Design 50cc Accelerator Pump Diaphragms 10pk — Fits Holley Carburetors","description":"\u003cdiv style=\"background:#f7f7f7;border-left:4px solid #c00000;padding:14px 18px;margin:0 0 18px;\"\u003e\n\u003ch3 style=\"margin:0 0 6px;font-size:1.1em;\"\u003eAbout Advanced Engine Design\u003c\/h3\u003e\n\u003cp style=\"margin:0;font-size:0.95em;line-height:1.55;\"\u003eAdvanced Engine Design engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full Advanced Engine Design lineup with fast shipping and expert fitment support — order with confidence.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch3 style=\"margin:24px 0 8px;\"\u003eWatch in action\u003c\/h3\u003e\u003cdiv style=\"position:relative;padding-bottom:56.25%;height:0;overflow:hidden;margin:0 0 18px;border-radius:6px;\"\u003e\u003ciframe src=\"https:\/\/www.youtube.com\/embed\/XzbyTAcVR8Q\" style=\"position:absolute;top:0;left:0;width:100%;height:100%;border:0;\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture\" allowfullscreen loading=\"lazy\"\u003e\u003c\/iframe\u003e\u003c\/div\u003e\n\u003ch2\u003eBulk 50cc Accelerator Pump Diaphragms for Holley Carburetors\u003c\/h2\u003e\u003cp\u003eFor professional engine builders and high-volume tuning shops, these Advanced Engine Design 50cc accelerator pump diaphragms are an essential inventory item. This 10-pack provides a cost-effective solution for maintaining multiple Holley-equipped vehicles, ensuring you always have a fresh, high-quality diaphragm on hand when needed. These diaphragms are engineered to provide consistent 50cc fuel discharge, helping to eliminate engine stumbles and improve throttle response across a wide range of performance applications.\u003c\/p\u003e\u003ch3\u003eWhy Choose This 10-Pack?\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBulk Value:\u003c\/strong\u003e 10-pack for shop use or frequent maintenance\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCapacity:\u003c\/strong\u003e 50cc volume for high-performance fuel shots\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Premium fuel-resistant rubber construction\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReliability:\u003c\/strong\u003e Consistent performance for Holley carburetors\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Ideal for drag racing, street performance, and rebuilds\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eThese diaphragms are designed to withstand the chemical properties of modern pump gas and racing fuels, ensuring long-term durability and reliable operation. By keeping a stock of these critical components, you can quickly address fuel delivery issues and keep your engines running at their absolute best. Whether you are building a fleet of race cars or performing routine maintenance on performance engines, these diaphragms offer the quality and consistency required for top-tier results. Find these and other essential engine components in our extensive catalog at GGCRACING.\u003c\/p\u003e\n\u003cdiv style=\"margin:24px 0;border-top:1px solid #eee;padding-top:18px;\"\u003e\n\u003ch3 style=\"margin:0 0 6px;\"\u003eOften bought with\u003c\/h3\u003e\n\u003cp style=\"font-size:0.9em;color:#555;margin:0 0 8px;\"\u003eOther popular Advanced Engine Design products customers consider together:\u003c\/p\u003e\n\u003cul style=\"padding-left:20px;margin:0;\"\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/350-500cfm-holley-renew-kit\" style=\"color:#0066cc;text-decoration:none;\"\u003eAdvanced Engine Design Holley 2300 Carburetor Rebuild Kit — 350-500 CFM\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/350-500cfm-holley-pro-series-renew-kit\" style=\"color:#0066cc;text-decoration:none;\"\u003eAdvanced Engine Design 350-500 CFM Holley 2300 Pro Series Carburetor Renew Kit — Gas\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/390-950cfm-holley-renew-kit\" style=\"color:#0066cc;text-decoration:none;\"\u003eAdvanced Engine Design Holley 4150 Performance Renew Kit — 390-1000 CFM Carburetor Rebuild\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/390-950cfm-holley-pro-series-renew-kit\" style=\"color:#0066cc;text-decoration:none;\"\u003eAdvanced Engine Design Holley 4150 Pro Series Renew Kit — 390-1000 CFM Carburetor Rebuild\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/390-950cfm-holley-renew-kit-alcohol\" style=\"color:#0066cc;text-decoration:none;\"\u003eAdvanced Engine Design Holley 4150 Alcohol Renew Kit — 390-950 CFM Carburetor Rebuild\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\/\",\"@type\":\"Product\",\"name\":\"Advanced Engine Design 50cc Accelerator Pump Diaphragms 10pk \\u2014 Fits Holley Carburetors\",\"description\":\"Stock up on 50cc accelerator pump diaphragms for Holley carburetors. High-quality rubber for consistent performance. Shop the 10-pack at GGCRACING.\",\"brand\":{\"@type\":\"Brand\",\"name\":\"Advanced Engine Design\"},\"mpn\":\"5337X\",\"url\":\"https:\/\/ggcracing.com\/products\/50cc-pump-diaphragms-10pk\",\"offers\":{\"@type\":\"Offer\",\"price\":\"68.73\",\"priceCurrency\":\"USD\",\"availability\":\"https:\/\/schema.org\/InStock\",\"url\":\"https:\/\/ggcracing.com\/products\/50cc-pump-diaphragms-10pk\",\"sku\":\"BJLH_5337X\"}}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"BreadcrumbList\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/ggcracing.com\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Parts \u0026 Accessories\",\"item\":\"https:\/\/ggcracing.com\/collections\/parts-\u0026-accessories\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Advanced Engine Design\",\"item\":\"https:\/\/ggcracing.com\/collections\/vendors?q=Advanced+Engine+Design\"},{\"@type\":\"ListItem\",\"position\":4,\"name\":\"Advanced Engine Design 50cc Accelerator Pump Diaphragms 10pk \\u2014 Fits Holley Carburetors\",\"item\":\"https:\/\/ggcracing.com\/products\/50cc-pump-diaphragms-10pk\"}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"Does the Advanced Engine Design 50cc Accelerator Pump Diaphragms 10pk \\u2014 Fits Holley Carbu fit my vehicle?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Compatibility depends on your exact year, make, and model. Contact our experts at GGCRACING with your VIN and we'll verify before you order.\"}},{\"@type\":\"Question\",\"name\":\"How long is shipping for Advanced Engine Design?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Most in-stock items ship same or next business day. Free shipping on orders over $99 in the continental US. Tracking is provided via email as soon as your order leaves our warehouse.\"}},{\"@type\":\"Question\",\"name\":\"How do I install the Advanced Engine Design 50cc Accelerator Pump Diaphragms 10pk \\u2014 Fits Holley Carbu?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Most installs are bolt-on with basic hand tools. See manufacturer documentation for torque specs and procedures.\"}}]}\u003c\/script\u003e","brand":"Advanced Engine Design","offers":[{"title":"Default Title","offer_id":40866598715476,"sku":"BJLH_5337X","price":73.51,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0552\/3210\/2484\/files\/AED5337X.jpg?v=1714265450"},{"product_id":"50cc-accelerator-pump-kit","title":"Advanced Engine Design 50cc Accelerator Pump Kit — Holley Carburetors","description":"\u003cdiv style=\"background:#f7f7f7;border-left:4px solid #c00000;padding:14px 18px;margin:0 0 18px;\"\u003e\n\u003ch3 style=\"margin:0 0 6px;font-size:1.1em;\"\u003eAbout Advanced Engine Design\u003c\/h3\u003e\n\u003cp style=\"margin:0;font-size:0.95em;line-height:1.55;\"\u003eAdvanced Engine Design engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full Advanced Engine Design lineup with fast shipping and expert fitment support — order with confidence.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch3 style=\"margin:24px 0 8px;\"\u003eWatch in action\u003c\/h3\u003e\u003cdiv style=\"position:relative;padding-bottom:56.25%;height:0;overflow:hidden;margin:0 0 18px;border-radius:6px;\"\u003e\u003ciframe src=\"https:\/\/www.youtube.com\/embed\/XzbyTAcVR8Q\" style=\"position:absolute;top:0;left:0;width:100%;height:100%;border:0;\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture\" allowfullscreen loading=\"lazy\"\u003e\u003c\/iframe\u003e\u003c\/div\u003e\n\u003ch2\u003eHigh-Capacity Fuel Delivery with AED 50cc Pump Kit\u003c\/h2\u003e\u003cp\u003eWhen your engine demands more fuel during aggressive acceleration, the standard 30cc pump often falls short. The Advanced Engine Design (AED) 50cc Accelerator Pump Kit is engineered to provide the extra volume required for high-performance applications, ensuring your engine never starves for fuel during rapid throttle transitions. This kit is a must-have for large-displacement engines or vehicles with significant performance modifications.\u003c\/p\u003e\u003ch3\u003eComplete Kit Components\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-Capacity 50cc Diaphragm:\u003c\/strong\u003e Increases fuel shot volume for improved off-idle response.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeavy-Duty Pump Arm:\u003c\/strong\u003e Designed to handle the increased load of the larger pump assembly.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOptimized Pump Cam:\u003c\/strong\u003e Ensures the correct stroke for maximum efficiency.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFull Hardware Set:\u003c\/strong\u003e Includes cover, spring, and mounting hardware for a hassle-free installation.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eThis kit is specifically designed to fit Holley carburetors, making it a direct upgrade for those looking to eliminate hesitation or lean conditions. The increased capacity allows for a longer, more sustained fuel shot, which is critical for maintaining power through the mid-range. By upgrading to the 50cc setup, you are providing your engine with the necessary fuel to support increased airflow and higher compression ratios. Experience the difference in throttle snap and overall engine responsiveness with this premium kit from GGCRACING.\u003c\/p\u003e\n\u003cdiv style=\"margin:24px 0;border-top:1px solid #eee;padding-top:18px;\"\u003e\n\u003ch3 style=\"margin:0 0 6px;\"\u003eOften bought with\u003c\/h3\u003e\n\u003cp style=\"font-size:0.9em;color:#555;margin:0 0 8px;\"\u003eOther popular Advanced Engine Design products customers consider together:\u003c\/p\u003e\n\u003cul style=\"padding-left:20px;margin:0;\"\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/350-500cfm-holley-renew-kit\" style=\"color:#0066cc;text-decoration:none;\"\u003eAdvanced Engine Design Holley 2300 Carburetor Rebuild Kit — 350-500 CFM\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/350-500cfm-holley-pro-series-renew-kit\" style=\"color:#0066cc;text-decoration:none;\"\u003eAdvanced Engine Design 350-500 CFM Holley 2300 Pro Series Carburetor Renew Kit — Gas\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/390-950cfm-holley-renew-kit\" style=\"color:#0066cc;text-decoration:none;\"\u003eAdvanced Engine Design Holley 4150 Performance Renew Kit — 390-1000 CFM Carburetor Rebuild\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/390-950cfm-holley-pro-series-renew-kit\" style=\"color:#0066cc;text-decoration:none;\"\u003eAdvanced Engine Design Holley 4150 Pro Series Renew Kit — 390-1000 CFM Carburetor Rebuild\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/390-950cfm-holley-renew-kit-alcohol\" style=\"color:#0066cc;text-decoration:none;\"\u003eAdvanced Engine Design Holley 4150 Alcohol Renew Kit — 390-950 CFM Carburetor Rebuild\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\/\",\"@type\":\"Product\",\"name\":\"Advanced Engine Design 50cc Accelerator Pump Kit \\u2014 Holley Carburetors\",\"description\":\"Boost your fuel delivery with the AED 50cc Accelerator Pump Kit. 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Improve your engine performance at GGCRACING.\",\"brand\":{\"@type\":\"Brand\",\"name\":\"Advanced Engine Design\"},\"mpn\":\"5565\",\"url\":\"https:\/\/ggcracing.com\/products\/50cc-accelerator-pump-kit\",\"offers\":{\"@type\":\"Offer\",\"price\":\"57.26\",\"priceCurrency\":\"USD\",\"availability\":\"https:\/\/schema.org\/InStock\",\"url\":\"https:\/\/ggcracing.com\/products\/50cc-accelerator-pump-kit\",\"sku\":\"BJLH_5565\"}}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"BreadcrumbList\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/ggcracing.com\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Parts \u0026 Accessories\",\"item\":\"https:\/\/ggcracing.com\/collections\/parts-\u0026-accessories\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Advanced Engine Design\",\"item\":\"https:\/\/ggcracing.com\/collections\/vendors?q=Advanced+Engine+Design\"},{\"@type\":\"ListItem\",\"position\":4,\"name\":\"Advanced Engine Design 50cc Accelerator Pump Kit \\u2014 Holley Carburetors\",\"item\":\"https:\/\/ggcracing.com\/products\/50cc-accelerator-pump-kit\"}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"Does the Advanced Engine Design 50cc Accelerator Pump Kit \\u2014 Holley Carburetors fit my vehicle?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Compatibility depends on your exact year, make, and model. Contact our experts at GGCRACING with your VIN and we'll verify before you order.\"}},{\"@type\":\"Question\",\"name\":\"How long is shipping for Advanced Engine Design?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Most in-stock items ship same or next business day. Free shipping on orders over $99 in the continental US. Tracking is provided via email as soon as your order leaves our warehouse.\"}},{\"@type\":\"Question\",\"name\":\"How do I install the Advanced Engine Design 50cc Accelerator Pump Kit \\u2014 Holley Carburetors?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Most installs are bolt-on with basic hand tools. See manufacturer documentation for torque specs and procedures.\"}}]}\u003c\/script\u003e","brand":"Advanced Engine Design","offers":[{"title":"Default Title","offer_id":40866605596756,"sku":"BJLH_5565","price":61.24,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0552\/3210\/2484\/files\/AED5565.jpg?v=1714265898"},{"product_id":"30cc-accelerator-pump-kit","title":"Advanced Engine Design 30cc Accelerator Pump Kit - Holley Carburetors","description":"\u003cdiv style=\"background:#f7f7f7;border-left:4px solid #c00000;padding:14px 18px;margin:0 0 18px;\"\u003e\n\u003ch3 style=\"margin:0 0 6px;font-size:1.1em;\"\u003eAbout Advanced Engine Design\u003c\/h3\u003e\n\u003cp style=\"margin:0;font-size:0.95em;line-height:1.55;\"\u003eAdvanced Engine Design engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full Advanced Engine Design lineup with fast shipping and expert fitment support — order with confidence.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch2\u003eRestore Peak Performance with the AED 30cc Accelerator Pump Kit\u003c\/h2\u003e\u003cp\u003eEnsure flawless off-idle and transitional fueling for your Holley carburetor with the \u003cb\u003eAdvanced Engine Design 30cc Accelerator Pump Kit\u003c\/b\u003e. This comprehensive kit provides all the critical components needed to replace a worn or damaged accelerator pump, or to maintain optimal performance in a wide range of street and mild performance applications. Experience smooth, responsive acceleration without hesitation.\u003c\/p\u003e\u003ch3\u003eAll-Inclusive Kit for Reliable Fueling\u003c\/h3\u003e\u003cp\u003eThe 30cc pump volume is the standard for many Holley carburetors, providing a balanced fuel shot for excellent street manners and respectable performance. This kit includes every essential part for a complete and effective replacement or upgrade:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eAccelerator Pump Arm:\u003c\/b\u003e Precision-engineered for accurate and consistent pump action.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003ePump Cam:\u003c\/b\u003e Calibrated for the standard 30cc fuel delivery curve.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003ePump Cover:\u003c\/b\u003e Ensures a tight seal and protection for internal components.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eDiaphragm:\u003c\/b\u003e High-quality, durable material for reliable, long-term operation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eHardware:\u003c\/b\u003e All necessary fasteners included for a straightforward installation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eReturn Spring:\u003c\/b\u003e Guarantees prompt and consistent pump reset after each activation.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eThe Foundation of Crisp Throttle Response\u003c\/h3\u003e\u003cp\u003eThe accelerator pump is vital for preventing a lean condition when the throttle is suddenly opened. A properly functioning 30cc pump ensures that your engine receives an immediate burst of fuel, eliminating the dreaded bog or stumble. The Advanced Engine Design kit offers OEM-quality or better components, providing the reliability and performance you expect. Keep your Holley carburetor operating at its best with this essential kit, available now at GGCRACING.COM.\u003c\/p\u003e\n\u003cdiv style=\"margin:24px 0;border-top:1px solid #eee;padding-top:18px;\"\u003e\n\u003ch3 style=\"margin:0 0 6px;\"\u003eOften bought with\u003c\/h3\u003e\n\u003cp style=\"font-size:0.9em;color:#555;margin:0 0 8px;\"\u003eOther popular Advanced Engine Design products customers consider together:\u003c\/p\u003e\n\u003cul style=\"padding-left:20px;margin:0;\"\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/350-500cfm-holley-renew-kit\" style=\"color:#0066cc;text-decoration:none;\"\u003eAdvanced Engine Design Holley 2300 Carburetor Rebuild Kit — 350-500 CFM\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/350-500cfm-holley-pro-series-renew-kit\" style=\"color:#0066cc;text-decoration:none;\"\u003eAdvanced Engine Design 350-500 CFM Holley 2300 Pro Series Carburetor Renew Kit — Gas\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/390-950cfm-holley-renew-kit\" style=\"color:#0066cc;text-decoration:none;\"\u003eAdvanced Engine Design Holley 4150 Performance Renew Kit — 390-1000 CFM Carburetor Rebuild\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/390-950cfm-holley-pro-series-renew-kit\" style=\"color:#0066cc;text-decoration:none;\"\u003eAdvanced Engine Design Holley 4150 Pro Series Renew Kit — 390-1000 CFM Carburetor Rebuild\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/390-950cfm-holley-renew-kit-alcohol\" style=\"color:#0066cc;text-decoration:none;\"\u003eAdvanced Engine Design Holley 4150 Alcohol Renew Kit — 390-950 CFM Carburetor Rebuild\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\/\",\"@type\":\"Product\",\"name\":\"Advanced Engine Design 30cc Accelerator Pump Kit - Holley Carburetors\",\"description\":\"Restore or upgrade your Holley carburetor with the Advanced Engine Design 30cc Accelerator Pump Kit. Essential components for reliable fuel delivery. Shop now!\",\"brand\":{\"@type\":\"Brand\",\"name\":\"Advanced Engine Design\"},\"mpn\":\"5570\",\"url\":\"https:\/\/ggcracing.com\/products\/30cc-accelerator-pump-kit\",\"offers\":{\"@type\":\"Offer\",\"price\":\"38.63\",\"priceCurrency\":\"USD\",\"availability\":\"https:\/\/schema.org\/InStock\",\"url\":\"https:\/\/ggcracing.com\/products\/30cc-accelerator-pump-kit\",\"sku\":\"BJLH_5570\"}}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"BreadcrumbList\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/ggcracing.com\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Parts \u0026 Accessories\",\"item\":\"https:\/\/ggcracing.com\/collections\/parts-\u0026-accessories\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Advanced Engine Design\",\"item\":\"https:\/\/ggcracing.com\/collections\/vendors?q=Advanced+Engine+Design\"},{\"@type\":\"ListItem\",\"position\":4,\"name\":\"Advanced Engine Design 30cc Accelerator Pump Kit - Holley Carburetors\",\"item\":\"https:\/\/ggcracing.com\/products\/30cc-accelerator-pump-kit\"}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"Does the Advanced Engine Design 30cc Accelerator Pump Kit - Holley Carburetors fit my vehicle?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Compatibility depends on your exact year, make, and model. Contact our experts at GGCRACING with your VIN and we'll verify before you order.\"}},{\"@type\":\"Question\",\"name\":\"How long is shipping for Advanced Engine Design?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Most in-stock items ship same or next business day. Free shipping on orders over $99 in the continental US. Tracking is provided via email as soon as your order leaves our warehouse.\"}},{\"@type\":\"Question\",\"name\":\"How do I install the Advanced Engine Design 30cc Accelerator Pump Kit - Holley Carburetors?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Most installs are bolt-on with basic hand tools. See manufacturer documentation for torque specs and procedures.\"}}]}\u003c\/script\u003e","brand":"Advanced Engine Design","offers":[{"title":"Default Title","offer_id":40866605629524,"sku":"BJLH_5570","price":41.31,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0552\/3210\/2484\/files\/AED5570.jpg?v=1714265906"},{"product_id":"30cc-pump-diaphram-2pk","title":"Demon Fuel Systems 30cc Accelerator Pump Diaphragm — 2-Pack","description":"\u003cdiv style=\"background:#f7f7f7;border-left:4px solid #c00000;padding:14px 18px;margin:0 0 18px;\"\u003e\n\u003ch3 style=\"margin:0 0 6px;font-size:1.1em;\"\u003eAbout Demon Fuel Systems\u003c\/h3\u003e\n\u003cp style=\"margin:0;font-size:0.95em;line-height:1.55;\"\u003eDemon Fuel Systems engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full Demon Fuel Systems lineup with fast shipping and expert fitment support — order with confidence.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch3 style=\"margin:24px 0 8px;\"\u003eWatch in action\u003c\/h3\u003e\u003cdiv style=\"position:relative;padding-bottom:56.25%;height:0;overflow:hidden;margin:0 0 18px;border-radius:6px;\"\u003e\u003ciframe src=\"https:\/\/www.youtube.com\/embed\/3UxT9FrxAFQ\" style=\"position:absolute;top:0;left:0;width:100%;height:100%;border:0;\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture\" allowfullscreen loading=\"lazy\"\u003e\u003c\/iframe\u003e\u003c\/div\u003e\n\u003ch2\u003eEliminate Hesitation with 30cc Accelerator Pump Diaphragms\u003c\/h2\u003e\u003cp\u003eDoes your engine stumble when you hit the throttle? A worn or torn accelerator pump diaphragm is often the culprit. This 30cc Accelerator Pump Diaphragm set is designed to provide an instant shot of fuel when you accelerate, ensuring smooth transitions and eliminating flat spots in your power curve.\u003c\/p\u003e\u003ch3\u003eKey Advantages\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eUniversal Fitment:\u003c\/strong\u003e Compatible with both Demon and Holley-style carburetors using 30cc pumps.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-Durability Rubber:\u003c\/strong\u003e Engineered to withstand constant movement and exposure to gasoline.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eValue Pack:\u003c\/strong\u003e Comes in a convenient 2-pack, perfect for dual-feed or multi-carb setups.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eImproved Response:\u003c\/strong\u003e Restores the crisp throttle response your engine deserves.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eReplacing your accelerator pump diaphragm is one of the easiest and most effective ways to improve your vehicle's driveability. Don't let a small, inexpensive part ruin your driving experience. Keep your fuel system in top shape with these high-quality replacement diaphragms. For premium automotive components and reliable shipping, trust the experts at GGCRACING.\u003c\/p\u003e\n\u003cdiv style=\"margin:24px 0;border-top:1px solid #eee;padding-top:18px;\"\u003e\n\u003ch3 style=\"margin:0 0 6px;\"\u003eOften bought with\u003c\/h3\u003e\n\u003cp style=\"font-size:0.9em;color:#555;margin:0 0 8px;\"\u003eOther popular Demon Fuel Systems products customers consider together:\u003c\/p\u003e\n\u003cul style=\"padding-left:20px;margin:0;\"\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/hollow-squirter-screw\" style=\"color:#0066cc;text-decoration:none;\"\u003eDemon Fuel Systems Hollow Squirter Screw — Slot Head Steel Cadmium\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/vacuum-spring-assortment\" style=\"color:#0066cc;text-decoration:none;\"\u003eDemon Fuel Systems Vacuum Spring Assortment 7-Piece Set — Fits Holley 4150\/4160 Carburetor\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/needle-seat-hardware\" style=\"color:#0066cc;text-decoration:none;\"\u003eDemon Fuel Systems Needle and Seat Hardware Kit — Fits Demon \u0026amp; Holley Carburetors\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/straight-discharge-nozzles-031-2pk\" style=\"color:#0066cc;text-decoration:none;\"\u003eDemon Fuel Systems Straight Discharge Nozzles .031 2pk — Fits Demon Carburetors\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/mopar-throttle-cruise-stud-kit-street-demon\" style=\"color:#0066cc;text-decoration:none;\"\u003eDemon Fuel Systems Mopar Throttle \u0026amp; Cruise Stud Kit - Steel Zinc Oxide for Street Demon Ca\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\/\",\"@type\":\"Product\",\"name\":\"Demon Fuel Systems 30cc Accelerator Pump Diaphragm \\u2014 2-Pack\",\"description\":\"Fix hesitation with the Demon Fuel Systems 30cc accelerator pump diaphragm. Durable, high-quality replacement for Demon and Holley carbs. Get it at GGCRACING.\",\"brand\":{\"@type\":\"Brand\",\"name\":\"Demon Fuel Systems\"},\"mpn\":\"190015\",\"url\":\"https:\/\/ggcracing.com\/products\/30cc-pump-diaphram-2pk\",\"offers\":{\"@type\":\"Offer\",\"price\":\"9.99\",\"priceCurrency\":\"USD\",\"availability\":\"https:\/\/schema.org\/InStock\",\"url\":\"https:\/\/ggcracing.com\/products\/30cc-pump-diaphram-2pk\",\"sku\":\"BGWW_190015\"}}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"BreadcrumbList\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/ggcracing.com\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Parts \u0026 Accessories\",\"item\":\"https:\/\/ggcracing.com\/collections\/parts-\u0026-accessories\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Demon Fuel Systems\",\"item\":\"https:\/\/ggcracing.com\/collections\/vendors?q=Demon+Fuel+Systems\"},{\"@type\":\"ListItem\",\"position\":4,\"name\":\"Demon Fuel Systems 30cc Accelerator Pump Diaphragm \\u2014 2-Pack\",\"item\":\"https:\/\/ggcracing.com\/products\/30cc-pump-diaphram-2pk\"}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"Does the Demon Fuel Systems 30cc Accelerator Pump Diaphragm \\u2014 2-Pack fit my vehicle?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Compatibility depends on your exact year, make, and model. Contact our experts at GGCRACING with your VIN and we'll verify before you order.\"}},{\"@type\":\"Question\",\"name\":\"How long is shipping for Demon Fuel Systems?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Most in-stock items ship same or next business day. Free shipping on orders over $99 in the continental US. Tracking is provided via email as soon as your order leaves our warehouse.\"}},{\"@type\":\"Question\",\"name\":\"How do I install the Demon Fuel Systems 30cc Accelerator Pump Diaphragm \\u2014 2-Pack?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Most installs are bolt-on with basic hand tools. See manufacturer documentation for torque specs and procedures.\"}}]}\u003c\/script\u003e","brand":"Demon Fuel Systems","offers":[{"title":"Default Title","offer_id":40869028528212,"sku":"BGWW_190015","price":9.35,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0552\/3210\/2484\/files\/DMN190015.jpg?v=1714318053"},{"product_id":"diaphragm-assembly","title":"Holley 30cc Viton Accelerator Pump Diaphragm Assembly — Fits Holley \u0026 Demon Carburetors","description":"\u003cdiv style=\"background:#f7f7f7;border-left:4px solid #c00000;padding:14px 18px;margin:0 0 18px;\"\u003e\n\u003ch3 style=\"margin:0 0 6px;font-size:1.1em;\"\u003eAbout Holley\u003c\/h3\u003e\n\u003cp style=\"margin:0;font-size:0.95em;line-height:1.55;\"\u003eHolley is the legendary American carburetor and fuel-injection brand — over 100 years of induction history. From the iconic 4150 four-barrel to today's Sniper EFI conversions, Holley remains the choice for muscle car restorations, Pro Mod, and gasser builds.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch2\u003eRestore Instant Throttle Response with Holley's Viton Accelerator Pump Diaphragm\u003c\/h2\u003e\u003cp\u003eA crisp, immediate throttle response is vital for any performance vehicle, and it starts with a healthy accelerator pump diaphragm. This Holley 30cc Viton Accelerator Pump Diaphragm Assembly is the perfect replacement to eliminate hesitation and flat spots in your Holley or Demon carburetor. Over time, standard diaphragms can degrade due to fuel exposure, leading to poor acceleration and frustrating drivability. Upgrade to Viton for superior chemical resistance and extended lifespan, ensuring your engine gets the precise fuel shot it needs, every time.\u003c\/p\u003e\u003ch3\u003eEngineered for Durability and Broad Fuel Compatibility\u003c\/h3\u003e\u003cp\u003eUnlike conventional rubber diaphragms, this Holley assembly features a premium Viton construction, renowned for its exceptional resistance to a wide range of fuels, including both gasoline and alcohol blends. The 30cc capacity is ideal for numerous Holley and Demon carburetor applications, providing the correct volume of fuel for optimal off-idle and mid-range acceleration. This direct replacement component ensures a perfect fit and restores the critical function of your accelerator pump, making your carburetor feel new again.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePremium Viton Material:\u003c\/strong\u003e Offers superior chemical resistance and extended durability against modern fuels.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOptimized 30cc Capacity:\u003c\/strong\u003e Delivers the precise fuel shot for crisp throttle response.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBroad Compatibility:\u003c\/strong\u003e Suitable for use with both gasoline and alcohol-based fuels.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDirect Replacement:\u003c\/strong\u003e Ensures a perfect fit for Holley and Demon carburetors.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEliminates Hesitation:\u003c\/strong\u003e Restores immediate fuel delivery for smooth acceleration.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhy Viton Makes a Difference in Your Fuel System\u003c\/h3\u003e\u003cp\u003eChoosing a Viton diaphragm is a smart investment in the longevity and performance of your carburetor. Its advanced material properties prevent swelling, hardening, and cracking that often plague lesser materials, especially when exposed to aggressive fuel additives or alternative fuels. By ensuring a consistent and reliable fuel pump action, this Holley diaphragm helps maintain peak engine performance and prevents costly carburetor issues down the line. For all your essential carburetor repair and upgrade needs, trust the quality and selection available at GGCRACING.\u003c\/p\u003e\n\u003cdiv style=\"margin:24px 0;border-top:1px solid #eee;padding-top:18px;\"\u003e\n\u003ch3 style=\"margin:0 0 6px;\"\u003eOften bought with\u003c\/h3\u003e\n\u003cp style=\"font-size:0.9em;color:#555;margin:0 0 8px;\"\u003eOther popular Holley products customers consider together:\u003c\/p\u003e\n\u003cul style=\"padding-left:20px;margin:0;\"\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/performance-carburetor-500cfm-street-avenger\" style=\"color:#0066cc;text-decoration:none;\"\u003eHolley 500CFM Street Avenger 2-Barrel Carburetor — Aluminum Finish\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/performance-carburetor-750cfm-4160-series\" style=\"color:#0066cc;text-decoration:none;\"\u003eHolley 4160 Series Performance Carburetor 750CFM — Square Bore Aluminum\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/750-cfm-4150-hp-carb-double-pumper\" style=\"color:#0066cc;text-decoration:none;\"\u003eHolley 750 CFM 4150 HP Double Pumper Carburetor 4-Barrel — Mechanical Secondary\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/competition-carburetor-1250cfm-4500-series\" style=\"color:#0066cc;text-decoration:none;\"\u003eHolley 4500 Series Dominator 1250 CFM 4-Barrel Competition Carburetor\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/650-cfm-classic-hp-carb-4150-double-pumper\" style=\"color:#0066cc;text-decoration:none;\"\u003eHolley Classic HP 4150 650 CFM 4-Barrel Carburetor — Mechanical Secondary Square Bore\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\/\",\"@type\":\"Product\",\"name\":\"Holley 30cc Viton Accelerator Pump Diaphragm Assembly \\u2014 Fits Holley \u0026 Demon Carburetors\",\"description\":\"Replace your Holley or Demon carburetor's 30cc accelerator pump diaphragm with durable Viton. Compatible with gas\/alcohol. Shop Holley parts.\",\"brand\":{\"@type\":\"Brand\",\"name\":\"Holley\"},\"mpn\":\"135-10\",\"url\":\"https:\/\/ggcracing.com\/products\/diaphragm-assembly\",\"offers\":{\"@type\":\"Offer\",\"price\":\"16.28\",\"priceCurrency\":\"USD\",\"availability\":\"https:\/\/schema.org\/InStock\",\"url\":\"https:\/\/ggcracing.com\/products\/diaphragm-assembly\",\"sku\":\"BBVL_135-10\"}}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"BreadcrumbList\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/ggcracing.com\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Parts \u0026 Accessories\",\"item\":\"https:\/\/ggcracing.com\/collections\/parts-\u0026-accessories\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Holley\",\"item\":\"https:\/\/ggcracing.com\/collections\/vendors?q=Holley\"},{\"@type\":\"ListItem\",\"position\":4,\"name\":\"Holley 30cc Viton Accelerator Pump Diaphragm Assembly \\u2014 Fits Holley \u0026 Demon Carburetors\",\"item\":\"https:\/\/ggcracing.com\/products\/diaphragm-assembly\"}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"Does the Holley 30cc Viton Accelerator Pump Diaphragm Assembly \\u2014 Fits Holley \u0026 Demon Carb fit my vehicle?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Compatibility depends on your exact year, make, and model. Contact our experts at GGCRACING with your VIN and we'll verify before you order.\"}},{\"@type\":\"Question\",\"name\":\"How long is shipping for Holley?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Most in-stock items ship same or next business day. Free shipping on orders over $99 in the continental US. Tracking is provided via email as soon as your order leaves our warehouse.\"}},{\"@type\":\"Question\",\"name\":\"How do I install the Holley 30cc Viton Accelerator Pump Diaphragm Assembly \\u2014 Fits Holley \u0026 Demon Carb?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Most installs are bolt-on with basic hand tools. See manufacturer documentation for torque specs and procedures.\"}}]}\u003c\/script\u003e","brand":"Holley","offers":[{"title":"Default Title","offer_id":40893279895636,"sku":"BBVL_135-10","price":16.93,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0552\/3210\/2484\/files\/HLY135-10.jpg?v=1714911816"},{"product_id":"acc-pump-diaphragm-30cc-pump","title":"Holley Accelerator Pump Diaphragm 30cc Rubber — Gas Carburetors","description":"\u003cdiv style=\"background:#f7f7f7;border-left:4px solid #c00000;padding:14px 18px;margin:0 0 18px;\"\u003e\n\u003ch3 style=\"margin:0 0 6px;font-size:1.1em;\"\u003eAbout Holley\u003c\/h3\u003e\n\u003cp style=\"margin:0;font-size:0.95em;line-height:1.55;\"\u003eHolley is the legendary American carburetor and fuel-injection brand — over 100 years of induction history. From the iconic 4150 four-barrel to today's Sniper EFI conversions, Holley remains the choice for muscle car restorations, Pro Mod, and gasser builds.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch3 style=\"margin:24px 0 8px;\"\u003eWatch in action\u003c\/h3\u003e\u003cdiv style=\"position:relative;padding-bottom:56.25%;height:0;overflow:hidden;margin:0 0 18px;border-radius:6px;\"\u003e\u003ciframe src=\"https:\/\/www.youtube.com\/embed\/-aXmm9tcUbQ\" style=\"position:absolute;top:0;left:0;width:100%;height:100%;border:0;\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture\" allowfullscreen loading=\"lazy\"\u003e\u003c\/iframe\u003e\u003c\/div\u003e\n\u003ch2\u003eOptimize Carburetor Response with Holley 30cc Diaphragms\u003c\/h2\u003e\u003cp\u003eEnsure your engine receives the precise fuel delivery it needs with the Holley 30cc Accelerator Pump Diaphragm. Designed for high-performance gas carburetors, this diaphragm is a critical component for maintaining smooth off-the-line acceleration and eliminating hesitation. Whether you are tuning a classic muscle car or a street-strip machine, a fresh diaphragm is essential for optimal fuel circuit integrity.\u003c\/p\u003e\u003ch3\u003eKey Features and Benefits:\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrecision Engineering:\u003c\/strong\u003e Designed specifically for Holley and Demon carburetors requiring a 30cc pump capacity.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable Construction:\u003c\/strong\u003e High-quality rubber material resistant to modern gasoline additives and ethanol blends.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eImproved Throttle Response:\u003c\/strong\u003e Eliminates flat spots during sudden acceleration by ensuring consistent fuel volume.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEasy Installation:\u003c\/strong\u003e Direct replacement part for standard 30cc pump housings.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eOver time, internal carburetor components degrade, leading to fuel leaks or inconsistent pump shots. Replacing your worn-out diaphragm is an affordable way to restore factory-level performance to your fuel system. This component is compatible with a wide range of Holley-style carburetors, making it a staple for any enthusiast's toolbox. Trust the quality of genuine Holley components to keep your engine running at its peak potential. Find all your essential fuel system upgrades and maintenance parts at GGCRACING.\u003c\/p\u003e\n\u003cdiv style=\"margin:24px 0;border-top:1px solid #eee;padding-top:18px;\"\u003e\n\u003ch3 style=\"margin:0 0 6px;\"\u003eOften bought with\u003c\/h3\u003e\n\u003cp style=\"font-size:0.9em;color:#555;margin:0 0 8px;\"\u003eOther popular Holley products customers consider together:\u003c\/p\u003e\n\u003cul style=\"padding-left:20px;margin:0;\"\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/performance-carburetor-500cfm-street-avenger\" style=\"color:#0066cc;text-decoration:none;\"\u003eHolley 500CFM Street Avenger 2-Barrel Carburetor — Aluminum Finish\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/performance-carburetor-750cfm-4160-series\" style=\"color:#0066cc;text-decoration:none;\"\u003eHolley 4160 Series Performance Carburetor 750CFM — Square Bore Aluminum\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/750-cfm-4150-hp-carb-double-pumper\" style=\"color:#0066cc;text-decoration:none;\"\u003eHolley 750 CFM 4150 HP Double Pumper Carburetor 4-Barrel — Mechanical Secondary\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/competition-carburetor-1250cfm-4500-series\" style=\"color:#0066cc;text-decoration:none;\"\u003eHolley 4500 Series Dominator 1250 CFM 4-Barrel Competition Carburetor\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/650-cfm-classic-hp-carb-4150-double-pumper\" style=\"color:#0066cc;text-decoration:none;\"\u003eHolley Classic HP 4150 650 CFM 4-Barrel Carburetor — Mechanical Secondary Square Bore\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\/\",\"@type\":\"Product\",\"name\":\"Holley Accelerator Pump Diaphragm 30cc Rubber \\u2014 Gas Carburetors\",\"description\":\"Restore your carburetor performance with the Holley 30cc Accelerator Pump Diaphragm. Durable rubber construction for gas engines. Shop now at GGCRACING.\",\"brand\":{\"@type\":\"Brand\",\"name\":\"Holley\"},\"mpn\":\"135-5\",\"url\":\"https:\/\/ggcracing.com\/products\/acc-pump-diaphragm-30cc-pump\",\"offers\":{\"@type\":\"Offer\",\"price\":\"6.04\",\"priceCurrency\":\"USD\",\"availability\":\"https:\/\/schema.org\/InStock\",\"url\":\"https:\/\/ggcracing.com\/products\/acc-pump-diaphragm-30cc-pump\",\"sku\":\"BBVL_135-5\"}}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"BreadcrumbList\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/ggcracing.com\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Parts \u0026 Accessories\",\"item\":\"https:\/\/ggcracing.com\/collections\/parts-\u0026-accessories\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Holley\",\"item\":\"https:\/\/ggcracing.com\/collections\/vendors?q=Holley\"},{\"@type\":\"ListItem\",\"position\":4,\"name\":\"Holley Accelerator Pump Diaphragm 30cc Rubber \\u2014 Gas Carburetors\",\"item\":\"https:\/\/ggcracing.com\/products\/acc-pump-diaphragm-30cc-pump\"}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"Does the Holley Accelerator Pump Diaphragm 30cc Rubber \\u2014 Gas Carburetors fit my vehicle?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Compatibility depends on your exact year, make, and model. Contact our experts at GGCRACING with your VIN and we'll verify before you order.\"}},{\"@type\":\"Question\",\"name\":\"How long is shipping for Holley?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Most in-stock items ship same or next business day. Free shipping on orders over $99 in the continental US. Tracking is provided via email as soon as your order leaves our warehouse.\"}},{\"@type\":\"Question\",\"name\":\"How do I install the Holley Accelerator Pump Diaphragm 30cc Rubber \\u2014 Gas Carburetors?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Most installs are bolt-on with basic hand tools. See manufacturer documentation for torque specs and procedures.\"}}]}\u003c\/script\u003e","brand":"Holley","offers":[{"title":"Default Title","offer_id":40893280092244,"sku":"BBVL_135-5","price":6.28,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0552\/3210\/2484\/files\/HLY135-5.jpg?v=1714911849"},{"product_id":"acc-pump-diaphragm-50cc-pump","title":"Holley Accelerator Pump Diaphragm 50cc Rubber — Gas Carburetors","description":"\u003cdiv style=\"background:#f7f7f7;border-left:4px solid #c00000;padding:14px 18px;margin:0 0 18px;\"\u003e\n\u003ch3 style=\"margin:0 0 6px;font-size:1.1em;\"\u003eAbout Holley\u003c\/h3\u003e\n\u003cp style=\"margin:0;font-size:0.95em;line-height:1.55;\"\u003eHolley is the legendary American carburetor and fuel-injection brand — over 100 years of induction history. From the iconic 4150 four-barrel to today's Sniper EFI conversions, Holley remains the choice for muscle car restorations, Pro Mod, and gasser builds.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch3 style=\"margin:24px 0 8px;\"\u003eWatch in action\u003c\/h3\u003e\u003cdiv style=\"position:relative;padding-bottom:56.25%;height:0;overflow:hidden;margin:0 0 18px;border-radius:6px;\"\u003e\u003ciframe src=\"https:\/\/www.youtube.com\/embed\/-v0lDE2hffE\" style=\"position:absolute;top:0;left:0;width:100%;height:100%;border:0;\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture\" allowfullscreen loading=\"lazy\"\u003e\u003c\/iframe\u003e\u003c\/div\u003e\n\u003ch2\u003eHigh-Volume Fuel Delivery with Holley 50cc Diaphragms\u003c\/h2\u003e\u003cp\u003eWhen your engine demands more fuel during aggressive throttle transitions, the Holley 50cc Accelerator Pump Diaphragm provides the necessary volume to prevent lean conditions. Engineered for high-performance applications, this diaphragm is built to handle the increased demands of larger displacement engines and performance-tuned carburetors. By providing a larger shot of fuel, you ensure crisp, immediate response every time you step on the gas.\u003c\/p\u003e\u003ch3\u003eWhy Choose the 50cc Upgrade?\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnhanced Fuel Volume:\u003c\/strong\u003e Specifically designed for 50cc pump housings to maximize fuel delivery during acceleration.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRobust Material:\u003c\/strong\u003e Heavy-duty rubber construction designed to withstand the harsh environment of gasoline fuel systems.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUniversal Compatibility:\u003c\/strong\u003e Fits a variety of Holley and Demon carburetors utilizing the 50cc pump configuration.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePerformance Reliability:\u003c\/strong\u003e Prevents engine hesitation and bogging caused by insufficient fuel enrichment.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eWhether you are drag racing or just looking for better street performance, the 50cc diaphragm is a must-have for carburetors that require extra enrichment. It is a cost-effective solution for those looking to fine-tune their throttle response and ensure the engine stays in the power band. Don't let a failing diaphragm hold your engine back from its full potential. Maintain your fuel system with top-tier components built for durability and precision. Explore the full range of carburetor components and fuel system solutions available at GGCRACING.\u003c\/p\u003e\n\u003cdiv style=\"margin:24px 0;border-top:1px solid #eee;padding-top:18px;\"\u003e\n\u003ch3 style=\"margin:0 0 6px;\"\u003eOften bought with\u003c\/h3\u003e\n\u003cp style=\"font-size:0.9em;color:#555;margin:0 0 8px;\"\u003eOther popular Holley products customers consider together:\u003c\/p\u003e\n\u003cul style=\"padding-left:20px;margin:0;\"\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/performance-carburetor-500cfm-street-avenger\" style=\"color:#0066cc;text-decoration:none;\"\u003eHolley 500CFM Street Avenger 2-Barrel Carburetor — Aluminum Finish\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/performance-carburetor-750cfm-4160-series\" style=\"color:#0066cc;text-decoration:none;\"\u003eHolley 4160 Series Performance Carburetor 750CFM — Square Bore Aluminum\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/750-cfm-4150-hp-carb-double-pumper\" style=\"color:#0066cc;text-decoration:none;\"\u003eHolley 750 CFM 4150 HP Double Pumper Carburetor 4-Barrel — Mechanical Secondary\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/competition-carburetor-1250cfm-4500-series\" style=\"color:#0066cc;text-decoration:none;\"\u003eHolley 4500 Series Dominator 1250 CFM 4-Barrel Competition Carburetor\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/650-cfm-classic-hp-carb-4150-double-pumper\" style=\"color:#0066cc;text-decoration:none;\"\u003eHolley Classic HP 4150 650 CFM 4-Barrel Carburetor — Mechanical Secondary Square Bore\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\/\",\"@type\":\"Product\",\"name\":\"Holley Accelerator Pump Diaphragm 50cc Rubber \\u2014 Gas Carburetors\",\"description\":\"Upgrade to the Holley 50cc Accelerator Pump Diaphragm for better fuel delivery. Durable rubber design for high-performance carburetors. 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Contact our experts at GGCRACING with your VIN and we'll verify before you order.\"}},{\"@type\":\"Question\",\"name\":\"How long is shipping for Holley?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Most in-stock items ship same or next business day. Free shipping on orders over $99 in the continental US. Tracking is provided via email as soon as your order leaves our warehouse.\"}},{\"@type\":\"Question\",\"name\":\"How do I install the Holley Accelerator Pump Diaphragm 50cc Rubber \\u2014 Gas Carburetors?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Most installs are bolt-on with basic hand tools. See manufacturer documentation for torque specs and procedures.\"}}]}\u003c\/script\u003e","brand":"Holley","offers":[{"title":"Default Title","offer_id":40893280321620,"sku":"BBVL_135-7","price":31.65,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0552\/3210\/2484\/files\/HLY135-7.jpg?v=1714911867"},{"product_id":"alcohol-diaphragm","title":"Holley 135-9 Alcohol Accelerator Pump Diaphragm - 50cc Viton for Holley\/Demon Carburetors","description":"\u003cdiv style=\"background:#f7f7f7;border-left:4px solid #c00000;padding:14px 18px;margin:0 0 18px;\"\u003e\n\u003ch3 style=\"margin:0 0 6px;font-size:1.1em;\"\u003eAbout Holley\u003c\/h3\u003e\n\u003cp style=\"margin:0;font-size:0.95em;line-height:1.55;\"\u003eHolley is the legendary American carburetor and fuel-injection brand — over 100 years of induction history. From the iconic 4150 four-barrel to today's Sniper EFI conversions, Holley remains the choice for muscle car restorations, Pro Mod, and gasser builds.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch2\u003eUnrivaled Durability with the Holley 135-9 Alcohol Accelerator Pump Diaphragm\u003c\/h2\u003e\u003cp\u003eFor enthusiasts running alcohol or E85 fuels, the Holley 135-9 Accelerator Pump Diaphragm is an indispensable upgrade. This 50cc Viton diaphragm is specifically engineered to resist the corrosive effects of alcohol-based fuels, providing superior longevity and reliability compared to standard rubber diaphragms. Ensure your Holley or Demon carburetor maintains its crisp throttle response and consistent fuel delivery, even under the demanding conditions of alternative fuels.\u003c\/p\u003e\u003ch3\u003eViton Construction for Alcohol and Gasoline Compatibility\u003c\/h3\u003e\u003cp\u003eThe key to this diaphragm's exceptional performance lies in its Viton construction. Viton is a premium synthetic rubber known for its outstanding resistance to heat, chemicals, and fuels, including gasoline and various alcohol blends. This makes the 135-9 an ideal choice for both dedicated alcohol setups and vehicles that occasionally run E85 or other high-ethanol content fuels. It's designed for 50cc accelerator pumps, delivering a powerful and immediate fuel shot for optimal engine response.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eCapacity:\u003c\/b\u003e 50 cc\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eMaterial:\u003c\/b\u003e Premium Viton\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eFuel Type:\u003c\/b\u003e Gasoline \/ Alcohol \/ E85 Compatible\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eCompatibility:\u003c\/b\u003e Holley and Demon Carburetors\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eFeature:\u003c\/b\u003e Superior chemical and heat resistance\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eInvest in Long-Term Performance with Holley Viton\u003c\/h3\u003e\u003cp\u003eProtect your investment and ensure consistent performance by choosing the Holley 135-9 Viton Accelerator Pump Diaphragm. Standard rubber diaphragms can quickly degrade when exposed to alcohol, leading to fuel leaks, poor acceleration, and costly carburetor damage. With Holley's commitment to quality and specialized materials, you can trust this diaphragm to provide reliable, long-lasting service in your high-performance application. Find this essential alcohol-compatible component at GGCRACING.\u003c\/p\u003e\n\u003cdiv style=\"margin:24px 0;border-top:1px solid #eee;padding-top:18px;\"\u003e\n\u003ch3 style=\"margin:0 0 6px;\"\u003eOften bought with\u003c\/h3\u003e\n\u003cp style=\"font-size:0.9em;color:#555;margin:0 0 8px;\"\u003eOther popular Holley products customers consider together:\u003c\/p\u003e\n\u003cul style=\"padding-left:20px;margin:0;\"\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/performance-carburetor-500cfm-street-avenger\" style=\"color:#0066cc;text-decoration:none;\"\u003eHolley 500CFM Street Avenger 2-Barrel Carburetor — Aluminum Finish\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/performance-carburetor-750cfm-4160-series\" style=\"color:#0066cc;text-decoration:none;\"\u003eHolley 4160 Series Performance Carburetor 750CFM — Square Bore Aluminum\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/750-cfm-4150-hp-carb-double-pumper\" style=\"color:#0066cc;text-decoration:none;\"\u003eHolley 750 CFM 4150 HP Double Pumper Carburetor 4-Barrel — Mechanical Secondary\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/competition-carburetor-1250cfm-4500-series\" style=\"color:#0066cc;text-decoration:none;\"\u003eHolley 4500 Series Dominator 1250 CFM 4-Barrel Competition Carburetor\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/650-cfm-classic-hp-carb-4150-double-pumper\" style=\"color:#0066cc;text-decoration:none;\"\u003eHolley Classic HP 4150 650 CFM 4-Barrel Carburetor — Mechanical Secondary Square Bore\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\/\",\"@type\":\"Product\",\"name\":\"Holley 135-9 Alcohol Accelerator Pump Diaphragm - 50cc Viton for Holley\/Demon Carburetors\",\"description\":\"Upgrade to the Holley 135-9 Alcohol Accelerator Pump Diaphragm. This 50cc Viton diaphragm is ideal for gas\/alcohol Holley\/Demon carburetors. Shop now!\",\"brand\":{\"@type\":\"Brand\",\"name\":\"Holley\"},\"mpn\":\"135-9\",\"url\":\"https:\/\/ggcracing.com\/products\/alcohol-diaphragm\",\"offers\":{\"@type\":\"Offer\",\"price\":\"29.11\",\"priceCurrency\":\"USD\",\"availability\":\"https:\/\/schema.org\/InStock\",\"url\":\"https:\/\/ggcracing.com\/products\/alcohol-diaphragm\",\"sku\":\"BBVL_135-9\"}}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"BreadcrumbList\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/ggcracing.com\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Parts \u0026 Accessories\",\"item\":\"https:\/\/ggcracing.com\/collections\/parts-\u0026-accessories\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Holley\",\"item\":\"https:\/\/ggcracing.com\/collections\/vendors?q=Holley\"},{\"@type\":\"ListItem\",\"position\":4,\"name\":\"Holley 135-9 Alcohol Accelerator Pump Diaphragm - 50cc Viton for Holley\/Demon Carburetors\",\"item\":\"https:\/\/ggcracing.com\/products\/alcohol-diaphragm\"}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"Does the Holley 135-9 Alcohol Accelerator Pump Diaphragm - 50cc Viton for Holley\/Demon Ca fit my vehicle?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Compatibility depends on your exact year, make, and model. Contact our experts at GGCRACING with your VIN and we'll verify before you order.\"}},{\"@type\":\"Question\",\"name\":\"How long is shipping for Holley?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Most in-stock items ship same or next business day. Free shipping on orders over $99 in the continental US. Tracking is provided via email as soon as your order leaves our warehouse.\"}},{\"@type\":\"Question\",\"name\":\"How do I install the Holley 135-9 Alcohol Accelerator Pump Diaphragm - 50cc Viton for Holley\/Demon Ca?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Most installs are bolt-on with basic hand tools. See manufacturer documentation for torque specs and procedures.\"}}]}\u003c\/script\u003e","brand":"Holley","offers":[{"title":"Default Title","offer_id":40893280387156,"sku":"BBVL_135-9","price":30.27,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0552\/3210\/2484\/files\/HLY135-9.jpg?v=1714911877"},{"product_id":"50cc-accel-pump-kit","title":"Holley 50cc Accelerator Pump Conversion Kit — For 2300, 4150, 4160 Carburetors","description":"\u003cdiv style=\"background:#f7f7f7;border-left:4px solid #c00000;padding:14px 18px;margin:0 0 18px;\"\u003e\n\u003ch3 style=\"margin:0 0 6px;font-size:1.1em;\"\u003eAbout Holley\u003c\/h3\u003e\n\u003cp style=\"margin:0;font-size:0.95em;line-height:1.55;\"\u003eHolley is the legendary American carburetor and fuel-injection brand — over 100 years of induction history. From the iconic 4150 four-barrel to today's Sniper EFI conversions, Holley remains the choice for muscle car restorations, Pro Mod, and gasser builds.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch3 style=\"margin:24px 0 8px;\"\u003eWatch in action\u003c\/h3\u003e\u003cdiv style=\"position:relative;padding-bottom:56.25%;height:0;overflow:hidden;margin:0 0 18px;border-radius:6px;\"\u003e\u003ciframe src=\"https:\/\/www.youtube.com\/embed\/r4f8CMrfP-Q\" style=\"position:absolute;top:0;left:0;width:100%;height:100%;border:0;\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture\" allowfullscreen loading=\"lazy\"\u003e\u003c\/iframe\u003e\u003c\/div\u003e\n\u003ch2\u003eUnleash Instant Throttle Response with the Holley 50cc Accelerator Pump Kit\u003c\/h2\u003e\u003cp\u003eTransform your Holley carburetor's performance and eliminate frustrating off-idle bog with the Holley 50cc Accelerator Pump Conversion Kit. This essential upgrade is meticulously designed to deliver a powerful, precise shot of fuel directly into the engine the moment you hit the throttle, ensuring crisp, immediate acceleration without hesitation. Perfect for a wide range of performance applications, this kit is your definitive solution for achieving seamless power delivery and a significantly more exhilarating driving experience, whether on the street or the track.\u003c\/p\u003e\u003ch3\u003ePerformance-Enhancing Features for Optimal Fuel Delivery:\u003c\/h3\u003e\u003cp\u003eThis comprehensive kit is engineered to maximize your carburetor's responsiveness:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e50cc Pump Volume:\u003c\/strong\u003e Provides a larger, more aggressive fuel shot compared to smaller pumps, crucial for engines that demand more fuel on tip-in, such as those with larger cams or higher stall converters.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eComplete Conversion Kit:\u003c\/strong\u003e Includes all necessary components for a straightforward and complete upgrade, ensuring you have everything required for a successful installation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEliminates Bogging:\u003c\/strong\u003e Specifically engineered to prevent hesitation, flat spots, and lean conditions during rapid acceleration, offering a smooth power curve.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWide Carburetor Compatibility:\u003c\/strong\u003e Designed for broad compatibility with popular Holley 2300, 4150, and 4160 series carburetors, making it a versatile upgrade.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eExperience Uninterrupted Power Delivery and Enhanced Driveability\u003c\/h3\u003e\u003cp\u003eThe accelerator pump is a critical component for smooth transitions from idle to wide-open throttle. By upgrading to a 50cc pump, you ensure that your engine receives an adequate and timely fuel enrichment, preventing the lean conditions that commonly cause frustrating hesitation and poor throttle response. This kit is ideal for engines with larger cams, higher stall converters, or any setup that simply demands more fuel on tip-in to maintain optimal air\/fuel ratios. Experience the noticeable difference in driveability, performance, and overall engine responsiveness that a properly sized accelerator pump provides. For all your carburetor tuning, performance parts, and expert advice, trust GGCRACING.\u003c\/p\u003e\n\u003cdiv style=\"margin:24px 0;border-top:1px solid #eee;padding-top:18px;\"\u003e\n\u003ch3 style=\"margin:0 0 6px;\"\u003eOften bought with\u003c\/h3\u003e\n\u003cp style=\"font-size:0.9em;color:#555;margin:0 0 8px;\"\u003eOther popular Holley products customers consider together:\u003c\/p\u003e\n\u003cul style=\"padding-left:20px;margin:0;\"\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/performance-carburetor-500cfm-street-avenger\" style=\"color:#0066cc;text-decoration:none;\"\u003eHolley 500CFM Street Avenger 2-Barrel Carburetor — Aluminum Finish\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/performance-carburetor-750cfm-4160-series\" style=\"color:#0066cc;text-decoration:none;\"\u003eHolley 4160 Series Performance Carburetor 750CFM — Square Bore Aluminum\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/750-cfm-4150-hp-carb-double-pumper\" style=\"color:#0066cc;text-decoration:none;\"\u003eHolley 750 CFM 4150 HP Double Pumper Carburetor 4-Barrel — Mechanical Secondary\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/competition-carburetor-1250cfm-4500-series\" style=\"color:#0066cc;text-decoration:none;\"\u003eHolley 4500 Series Dominator 1250 CFM 4-Barrel Competition Carburetor\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/650-cfm-classic-hp-carb-4150-double-pumper\" style=\"color:#0066cc;text-decoration:none;\"\u003eHolley Classic HP 4150 650 CFM 4-Barrel Carburetor — Mechanical Secondary Square Bore\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\/\",\"@type\":\"Product\",\"name\":\"Holley 50cc Accelerator Pump Conversion Kit \\u2014 For 2300, 4150, 4160 Carburetors\",\"description\":\"Upgrade your Holley 2300, 4150, or 4160 carburetor with the 50cc Accelerator Pump Kit for improved throttle response and performance. Eliminate bogging!\",\"brand\":{\"@type\":\"Brand\",\"name\":\"Holley\"},\"mpn\":\"20-11\",\"url\":\"https:\/\/ggcracing.com\/products\/50cc-accel-pump-kit\",\"offers\":{\"@type\":\"Offer\",\"price\":\"92.65\",\"priceCurrency\":\"USD\",\"availability\":\"https:\/\/schema.org\/InStock\",\"url\":\"https:\/\/ggcracing.com\/products\/50cc-accel-pump-kit\",\"sku\":\"BBVL_20-11\"}}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"BreadcrumbList\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/ggcracing.com\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Parts \u0026 Accessories\",\"item\":\"https:\/\/ggcracing.com\/collections\/parts-\u0026-accessories\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Holley\",\"item\":\"https:\/\/ggcracing.com\/collections\/vendors?q=Holley\"},{\"@type\":\"ListItem\",\"position\":4,\"name\":\"Holley 50cc Accelerator Pump Conversion Kit \\u2014 For 2300, 4150, 4160 Carburetors\",\"item\":\"https:\/\/ggcracing.com\/products\/50cc-accel-pump-kit\"}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"Does the Holley 50cc Accelerator Pump Conversion Kit \\u2014 For 2300, 4150, 4160 Carburetors fit my vehicle?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Compatibility depends on your exact year, make, and model. Contact our experts at GGCRACING with your VIN and we'll verify before you order.\"}},{\"@type\":\"Question\",\"name\":\"How long is shipping for Holley?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Most in-stock items ship same or next business day. Free shipping on orders over $99 in the continental US. Tracking is provided via email as soon as your order leaves our warehouse.\"}},{\"@type\":\"Question\",\"name\":\"How do I install the Holley 50cc Accelerator Pump Conversion Kit \\u2014 For 2300, 4150, 4160 Carburetors?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Most installs are bolt-on with basic hand tools. See manufacturer documentation for torque specs and procedures.\"}}]}\u003c\/script\u003e","brand":"Holley","offers":[{"title":"Default Title","offer_id":40893292937300,"sku":"BBVL_20-11","price":96.35,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0552\/3210\/2484\/files\/HLY20-11.jpg?v=1714912797"},{"product_id":"accelerator-pump-assembly","title":"Edelbrock Accelerator Pump Assembly — 0.089 Viton Plunger","description":"\u003cdiv style=\"background:#f7f7f7;border-left:4px solid #c00000;padding:14px 18px;margin:0 0 18px;\"\u003e\n\u003ch3 style=\"margin:0 0 6px;font-size:1.1em;\"\u003eAbout Edelbrock\u003c\/h3\u003e\n\u003cp style=\"margin:0;font-size:0.95em;line-height:1.55;\"\u003eEdelbrock built its name on the Performer intake manifold in 1938 and has since become an American performance institution — intakes, cylinder heads, carburetors, and complete crate engines. The choice of street-strip, Pro-Touring, and Pro-Mod builders.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch3 style=\"margin:24px 0 8px;\"\u003eWatch in action\u003c\/h3\u003e\u003cdiv style=\"position:relative;padding-bottom:56.25%;height:0;overflow:hidden;margin:0 0 18px;border-radius:6px;\"\u003e\u003ciframe src=\"https:\/\/www.youtube.com\/embed\/ND4BxdbHpSc\" style=\"position:absolute;top:0;left:0;width:100%;height:100%;border:0;\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture\" allowfullscreen loading=\"lazy\"\u003e\u003c\/iframe\u003e\u003c\/div\u003e\n\u003ch2\u003eCrisp Throttle Response with the Edelbrock Accelerator Pump\u003c\/h2\u003e\u003cp\u003eHesitation when you stomp the gas is a common issue that ruins driving enjoyment. The Edelbrock Accelerator Pump Assembly (1467) is designed to provide an immediate, consistent shot of fuel upon throttle opening, effectively eliminating flat spots in your acceleration curve. This assembly features a 0.089-inch diameter plunger, ensuring the right amount of fuel is delivered to the venturi exactly when you need it.\u003c\/p\u003e\u003ch3\u003eKey Features and Benefits\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrecision Design:\u003c\/strong\u003e 0.089-inch diameter for optimized fuel shot volume\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eViton Construction:\u003c\/strong\u003e Highly resistant to degradation from modern pump gas and ethanol\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eComplete Assembly:\u003c\/strong\u003e Includes both the plunger and the necessary spring\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeamless Fit:\u003c\/strong\u003e Engineered specifically for the Edelbrock Performer 750 CFM carburetor\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePerformance:\u003c\/strong\u003e Restores crisp, instant throttle response\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eOver time, the rubber components in your accelerator pump can dry out or crack, leading to poor performance and sluggish throttle response. Replacing this assembly is a quick and effective way to restore your carburetor to factory-fresh operation. Whether you are restoring a classic or fine-tuning a performance build, this pump assembly is a critical component for smooth power delivery. For all your carburetor rebuild and maintenance needs, count on the quality selection at GGCRACING.\u003c\/p\u003e\n\u003cdiv style=\"margin:24px 0;border-top:1px solid #eee;padding-top:18px;\"\u003e\n\u003ch3 style=\"margin:0 0 6px;\"\u003eOften bought with\u003c\/h3\u003e\n\u003cp style=\"font-size:0.9em;color:#555;margin:0 0 8px;\"\u003eOther popular Edelbrock products customers consider together:\u003c\/p\u003e\n\u003cul style=\"padding-left:20px;margin:0;\"\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/edelbrock-superchargers-2013\" style=\"color:#0066cc;text-decoration:none;\"\u003eEdelbrock Superchargers Catalog 2013 — Performance Parts Reference\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/edelbrock-sport-compact-2006-r0806\" style=\"color:#0066cc;text-decoration:none;\"\u003eEdelbrock Sport Compact Catalog 2006 — Performance Parts Reference\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/pro-flo-air-cleaner-element\" style=\"color:#0066cc;text-decoration:none;\"\u003eEdelbrock Pro-Flo 1000 Triangle Air Filter Element — Reusable 5.75x5.75x3.5 Black\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/10in-signature-series-a-c-black\" style=\"color:#0066cc;text-decoration:none;\"\u003eEdelbrock 10in Signature Series Pro-Flo Air Cleaner - Black Powder Coat\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/14in-pro-flo-air-cleaner\" style=\"color:#0066cc;text-decoration:none;\"\u003eEdelbrock Pro-Flo Air Cleaner 14in Round — Chrome Steel Raised Base\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\/\",\"@type\":\"Product\",\"name\":\"Edelbrock Accelerator Pump Assembly \\u2014 0.089 Viton Plunger\",\"description\":\"Eliminate hesitation with the Edelbrock Accelerator Pump Assembly. Features a 0.089 Viton plunger for crisp throttle response. Shop at GGCRACING.\",\"brand\":{\"@type\":\"Brand\",\"name\":\"Edelbrock\"},\"mpn\":\"1467\",\"url\":\"https:\/\/ggcracing.com\/products\/accelerator-pump-assembly\",\"offers\":{\"@type\":\"Offer\",\"price\":\"20.95\",\"priceCurrency\":\"USD\",\"availability\":\"https:\/\/schema.org\/InStock\",\"url\":\"https:\/\/ggcracing.com\/products\/accelerator-pump-assembly\",\"sku\":\"BDVJ_1467\"}}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"BreadcrumbList\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/ggcracing.com\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Parts \u0026 Accessories\",\"item\":\"https:\/\/ggcracing.com\/collections\/parts-\u0026-accessories\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Edelbrock\",\"item\":\"https:\/\/ggcracing.com\/collections\/vendors?q=Edelbrock\"},{\"@type\":\"ListItem\",\"position\":4,\"name\":\"Edelbrock Accelerator Pump Assembly \\u2014 0.089 Viton Plunger\",\"item\":\"https:\/\/ggcracing.com\/products\/accelerator-pump-assembly\"}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"Does the Edelbrock Accelerator Pump Assembly \\u2014 0.089 Viton Plunger fit my vehicle?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Compatibility depends on your exact year, make, and model. Contact our experts at GGCRACING with your VIN and we'll verify before you order.\"}},{\"@type\":\"Question\",\"name\":\"How long is shipping for Edelbrock?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Most in-stock items ship same or next business day. Free shipping on orders over $99 in the continental US. Tracking is provided via email as soon as your order leaves our warehouse.\"}},{\"@type\":\"Question\",\"name\":\"How do I install the Edelbrock Accelerator Pump Assembly \\u2014 0.089 Viton Plunger?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Most installs are bolt-on with basic hand tools. See manufacturer documentation for torque specs and procedures.\"}}]}\u003c\/script\u003e","brand":"Edelbrock","offers":[{"title":"Default Title","offer_id":41008849354836,"sku":"BDVJ_1467","price":20.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0552\/3210\/2484\/files\/EDE1467.jpg?v=1715793999"},{"product_id":"accelerator-pump-kit","title":"Edelbrock 1470 Accelerator Pump Kit 0.089\" Viton — For Performer\/Thunder AVS 800 CFM Carbs","description":"\u003cdiv style=\"background:#f7f7f7;border-left:4px solid #c00000;padding:14px 18px;margin:0 0 18px;\"\u003e\n\u003ch3 style=\"margin:0 0 6px;font-size:1.1em;\"\u003eAbout Edelbrock\u003c\/h3\u003e\n\u003cp style=\"margin:0;font-size:0.95em;line-height:1.55;\"\u003eEdelbrock built its name on the Performer intake manifold in 1938 and has since become an American performance institution — intakes, cylinder heads, carburetors, and complete crate engines. The choice of street-strip, Pro-Touring, and Pro-Mod builders.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch2\u003eUnleash Instant Power with Edelbrock 1470 Accelerator Pump Kit\u003c\/h2\u003e\u003cp\u003eExperience immediate and smooth throttle response in your Edelbrock Performer or Thunder AVS 800 CFM carburetor with the high-performance Edelbrock 1470 Accelerator Pump Kit. This crucial component ensures that extra shot of fuel is delivered precisely when you hit the throttle, eliminating frustrating bogging and hesitation. Featuring a robust Viton plunger, this kit is designed to withstand the harsh realities of modern fuels, providing exceptional durability and consistent performance for your high-output engine.\u003c\/p\u003e\u003ch3\u003ePerformance-Driven Features:\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eOptimized Fuel Delivery:\u003c\/b\u003e Engineered to provide a quick, rich fuel spray for crisp off-idle acceleration and smooth transitions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003ePremium Viton Plunger:\u003c\/b\u003e Offers superior resistance to ethanol and other corrosive additives, extending the life and reliability of your pump.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eComplete Kit:\u003c\/b\u003e Includes both the plunger and spring, simplifying replacement and ensuring all critical components are fresh.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eDesigned for 800 CFM Carbs:\u003c\/b\u003e Perfectly matched for the fuel demands of Edelbrock Performer and Thunder AVS 800 CFM carburetors.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eApplication \u0026amp; Technical Specifications:\u003c\/h3\u003e\u003cp\u003eThe Edelbrock 1470 Accelerator Pump Kit is a direct and essential replacement for Edelbrock Performer and Thunder AVS 800 CFM carburetors. This kit is vital for maintaining peak performance and ensuring your engine responds exactly as you command.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003ePart Number:\u003c\/b\u003e Edelbrock 1470\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003ePlunger Diameter:\u003c\/b\u003e 0.089 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eMaterial:\u003c\/b\u003e Viton\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eCompatibility:\u003c\/b\u003e Edelbrock Performer \u0026amp; Thunder AVS 800 CFM Carburetors\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eContents:\u003c\/b\u003e Plunger, Spring\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhy Choose the Edelbrock 1470 Kit?\u003c\/h3\u003e\u003cp\u003eDon't let a worn accelerator pump hold back your engine's true potential. The Edelbrock 1470 Accelerator Pump Kit is a smart investment for any enthusiast looking to restore or enhance their carburetor's performance, ensuring powerful, consistent acceleration every time. Trust in Edelbrock's legacy of quality and precision engineering for your fuel system needs, available at GGCRACING.\u003c\/p\u003e\n\u003cdiv style=\"margin:24px 0;border-top:1px solid #eee;padding-top:18px;\"\u003e\n\u003ch3 style=\"margin:0 0 6px;\"\u003eOften bought with\u003c\/h3\u003e\n\u003cp style=\"font-size:0.9em;color:#555;margin:0 0 8px;\"\u003eOther popular Edelbrock products customers consider together:\u003c\/p\u003e\n\u003cul style=\"padding-left:20px;margin:0;\"\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/edelbrock-superchargers-2013\" style=\"color:#0066cc;text-decoration:none;\"\u003eEdelbrock Superchargers Catalog 2013 — Performance Parts Reference\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/edelbrock-sport-compact-2006-r0806\" style=\"color:#0066cc;text-decoration:none;\"\u003eEdelbrock Sport Compact Catalog 2006 — Performance Parts Reference\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/pro-flo-air-cleaner-element\" style=\"color:#0066cc;text-decoration:none;\"\u003eEdelbrock Pro-Flo 1000 Triangle Air Filter Element — Reusable 5.75x5.75x3.5 Black\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/10in-signature-series-a-c-black\" style=\"color:#0066cc;text-decoration:none;\"\u003eEdelbrock 10in Signature Series Pro-Flo Air Cleaner - Black Powder Coat\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/14in-pro-flo-air-cleaner\" style=\"color:#0066cc;text-decoration:none;\"\u003eEdelbrock Pro-Flo Air Cleaner 14in Round — Chrome Steel Raised Base\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\/\",\"@type\":\"Product\",\"name\":\"Edelbrock 1470 Accelerator Pump Kit 0.089\\\" Viton \\u2014 For Performer\/Thunder AVS 800 CFM Carbs\",\"description\":\"Eliminate hesitation in your Edelbrock Performer\/Thunder AVS 800 CFM carburetor with the 1470 Accelerator Pump Kit. Features 0.089\\\" Viton plunger.\",\"brand\":{\"@type\":\"Brand\",\"name\":\"Edelbrock\"},\"mpn\":\"1470\",\"url\":\"https:\/\/ggcracing.com\/products\/accelerator-pump-kit\",\"offers\":{\"@type\":\"Offer\",\"price\":\"22.95\",\"priceCurrency\":\"USD\",\"availability\":\"https:\/\/schema.org\/InStock\",\"url\":\"https:\/\/ggcracing.com\/products\/accelerator-pump-kit\",\"sku\":\"BDVJ_1470\"}}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"BreadcrumbList\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/ggcracing.com\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Parts \u0026 Accessories\",\"item\":\"https:\/\/ggcracing.com\/collections\/parts-\u0026-accessories\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Edelbrock\",\"item\":\"https:\/\/ggcracing.com\/collections\/vendors?q=Edelbrock\"},{\"@type\":\"ListItem\",\"position\":4,\"name\":\"Edelbrock 1470 Accelerator Pump Kit 0.089\\\" Viton \\u2014 For Performer\/Thunder AVS 800 CFM Carbs\",\"item\":\"https:\/\/ggcracing.com\/products\/accelerator-pump-kit\"}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"Does the Edelbrock 1470 Accelerator Pump Kit 0.089\\\" Viton \\u2014 For Performer\/Thunder AVS 800 fit my vehicle?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Compatibility depends on your exact year, make, and model. Contact our experts at GGCRACING with your VIN and we'll verify before you order.\"}},{\"@type\":\"Question\",\"name\":\"How long is shipping for Edelbrock?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Most in-stock items ship same or next business day. Free shipping on orders over $99 in the continental US. Tracking is provided via email as soon as your order leaves our warehouse.\"}},{\"@type\":\"Question\",\"name\":\"How do I install the Edelbrock 1470 Accelerator Pump Kit 0.089\\\" Viton \\u2014 For Performer\/Thunder AVS 800?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Most installs are bolt-on with basic hand tools. See manufacturer documentation for torque specs and procedures.\"}}]}\u003c\/script\u003e","brand":"Edelbrock","offers":[{"title":"Default Title","offer_id":41008854532180,"sku":"BDVJ_1470","price":22.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0552\/3210\/2484\/files\/EDE1470.jpg?v=1715794026"},{"product_id":"50cc-pump-diaphram-1","title":"Demon Fuel Systems 50cc Accelerator Pump Diaphragm — Carburetor Part","description":"\u003cdiv style=\"background:#f7f7f7;border-left:4px solid #c00000;padding:14px 18px;margin:0 0 18px;\"\u003e\n\u003ch3 style=\"margin:0 0 6px;font-size:1.1em;\"\u003eAbout Demon Fuel Systems\u003c\/h3\u003e\n\u003cp style=\"margin:0;font-size:0.95em;line-height:1.55;\"\u003eDemon Fuel Systems engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full Demon Fuel Systems lineup with fast shipping and expert fitment support — order with confidence.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch3 style=\"margin:24px 0 8px;\"\u003eWatch in action\u003c\/h3\u003e\u003cdiv style=\"position:relative;padding-bottom:56.25%;height:0;overflow:hidden;margin:0 0 18px;border-radius:6px;\"\u003e\u003ciframe src=\"https:\/\/www.youtube.com\/embed\/3UxT9FrxAFQ\" style=\"position:absolute;top:0;left:0;width:100%;height:100%;border:0;\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture\" allowfullscreen loading=\"lazy\"\u003e\u003c\/iframe\u003e\u003c\/div\u003e\n\u003ch2\u003eDemon Fuel Systems 50cc Accelerator Pump Diaphragm\u003c\/h2\u003e\n\u003cp\u003eRestore crisp throttle response and eliminate hesitation with this 50cc Accelerator Pump Diaphragm from Demon Fuel Systems. This high-quality diaphragm is a direct replacement for worn-out or damaged units in Demon and Holley carburetors, ensuring your accelerator pump functions correctly to deliver the extra fuel needed during acceleration.\u003c\/p\u003e\n\n\u003ch3\u003eOptimized Accelerator Pump Function:\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCorrect Fuel Delivery:\u003c\/strong\u003e The 50cc capacity is precisely calibrated for optimal fuel enrichment during rapid throttle openings.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDurable Rubber Construction:\u003c\/strong\u003e Made from high-quality, fuel-resistant rubber designed for gasoline applications.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRestores Performance:\u003c\/strong\u003e Eliminates hesitation, bogging, and flat spots during acceleration.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDirect Fit Replacement:\u003c\/strong\u003e Engineered as an exact replacement for specific Demon and Holley carburetor models.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSingle Diaphragm:\u003c\/strong\u003e Sold individually (each) for convenient replacement.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eThe accelerator pump is a vital component in your carburetor, providing a squirt of fuel when you quickly open the throttle. A functioning diaphragm ensures this crucial fuel shot is delivered effectively, leading to smooth acceleration and improved drivability. If you're experiencing a delay in power when you hit the gas, replacing the diaphragm is a common and effective solution. This Demon Fuel Systems diaphragm is built to last and perform.\u003c\/p\u003e\n\n\u003cp\u003eGet your Demon Fuel Systems 50cc Accelerator Pump Diaphragm today from GGCRACING and feel the difference in your vehicle's acceleration!\u003c\/p\u003e\n\u003cdiv style=\"margin:24px 0;border-top:1px solid #eee;padding-top:18px;\"\u003e\n\u003ch3 style=\"margin:0 0 6px;\"\u003eOften bought with\u003c\/h3\u003e\n\u003cp style=\"font-size:0.9em;color:#555;margin:0 0 8px;\"\u003eOther popular Demon Fuel Systems products customers consider together:\u003c\/p\u003e\n\u003cul style=\"padding-left:20px;margin:0;\"\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/hollow-squirter-screw\" style=\"color:#0066cc;text-decoration:none;\"\u003eDemon Fuel Systems Hollow Squirter Screw — Slot Head Steel Cadmium\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/vacuum-spring-assortment\" style=\"color:#0066cc;text-decoration:none;\"\u003eDemon Fuel Systems Vacuum Spring Assortment 7-Piece Set — Fits Holley 4150\/4160 Carburetor\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/needle-seat-hardware\" style=\"color:#0066cc;text-decoration:none;\"\u003eDemon Fuel Systems Needle and Seat Hardware Kit — Fits Demon \u0026amp; Holley Carburetors\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/straight-discharge-nozzles-031-2pk\" style=\"color:#0066cc;text-decoration:none;\"\u003eDemon Fuel Systems Straight Discharge Nozzles .031 2pk — Fits Demon Carburetors\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/mopar-throttle-cruise-stud-kit-street-demon\" style=\"color:#0066cc;text-decoration:none;\"\u003eDemon Fuel Systems Mopar Throttle \u0026amp; Cruise Stud Kit - Steel Zinc Oxide for Street Demon Ca\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\/\",\"@type\":\"Product\",\"name\":\"Demon Fuel Systems 50cc Accelerator Pump Diaphragm \\u2014 Carburetor Part\",\"description\":\"Ensure smooth acceleration with the Demon Fuel Systems 50cc Accelerator Pump Diaphragm. High-quality rubber for gas applications. 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Contact our experts at GGCRACING with your VIN and we'll verify before you order.\"}},{\"@type\":\"Question\",\"name\":\"How long is shipping for Demon Fuel Systems?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Most in-stock items ship same or next business day. Free shipping on orders over $99 in the continental US. Tracking is provided via email as soon as your order leaves our warehouse.\"}},{\"@type\":\"Question\",\"name\":\"How do I install the Demon Fuel Systems 50cc Accelerator Pump Diaphragm \\u2014 Carburetor Part?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Most installs are bolt-on with basic hand tools. 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