{"title":"Carburetor Accessories and Components","description":null,"products":[{"product_id":"hardware-kit-4150-double-pumper-carb","title":"Advanced Engine Design Hardware Kit - Holley 4150 Double Pumper Carburetor Rebuild","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 Your Holley 4150 Double Pumper with the AED Hardware Kit\u003c\/h2\u003e\u003cp\u003eThe Holley 4150 Double Pumper carburetor is a legendary component in the world of performance engines, known for its robust fuel delivery and tuning capabilities. To keep this iconic carburetor operating at its peak, a comprehensive hardware kit is essential during rebuilds or maintenance. The Advanced Engine Design (AED) Hardware Kit for Holley 4150 carburetors provides all the critical small components – including clips, pins, screws, and springs – needed to ensure a complete, secure, and reliable assembly. This kit eliminates the frustration of searching for individual pieces, streamlining your rebuild process.\u003c\/p\u003e\u003ch3\u003ePrecision Components for Flawless Carburetor Rebuilds\u003c\/h3\u003e\u003cp\u003eEvery component in this AED hardware kit is manufactured to meet or exceed OEM specifications, guaranteeing a perfect fit and long-lasting durability. Worn or missing hardware can lead to a host of issues, from vacuum leaks to improper throttle response. By replacing these vital pieces with high-quality AED parts, you restore the structural integrity and functional precision of your 4150 Double Pumper. This kit is designed to address common wear points, ensuring that your carburetor delivers consistent, powerful performance every time you hit the throttle.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eComplete Hardware Solution:\u003c\/b\u003e Includes clips, pins, screws, and springs for a thorough rebuild.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eHolley 4150 Specific:\u003c\/b\u003e Tailored for perfect fitment on Double Pumper carburetors.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eHigh-Quality Materials:\u003c\/b\u003e Ensures durability and resistance to wear and corrosion.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eRestores Functionality:\u003c\/b\u003e Replaces worn or missing parts for optimal carburetor operation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003ePrevents Common Issues:\u003c\/b\u003e Addresses potential vacuum leaks and throttle response problems.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eStreamlined Rebuilds:\u003c\/b\u003e All essential hardware in one convenient package.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eThe AED Advantage in Carburetor Restoration\u003c\/h3\u003e\u003cp\u003eAdvanced Engine Design is a trusted name among performance enthusiasts, known for its commitment to quality and precision engineering. This hardware kit for the Holley 4150 Double Pumper is a testament to that reputation, providing the reliable components needed to bring your carburetor back to factory-new performance. Don't let small, overlooked parts compromise your engine's potential. Invest in the AED Hardware Kit and experience the confidence that comes with a perfectly rebuilt fuel system.\u003c\/p\u003e\u003cp\u003eFind this essential Holley 4150 hardware kit and more performance 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 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 Hardware Kit - Holley 4150 Double Pumper Carburetor Rebuild\",\"description\":\"Comprehensive Advanced Engine Design hardware kit for Holley 4150 Double Pumper carburetors. Includes clips, pins, screws, and springs for complete rebuilds. Get yours today!\",\"brand\":{\"@type\":\"Brand\",\"name\":\"Advanced Engine Design\"},\"mpn\":\"5150\",\"url\":\"https:\/\/ggcracing.com\/products\/hardware-kit-4150-double-pumper-carb\",\"offers\":{\"@type\":\"Offer\",\"price\":\"34.33\",\"priceCurrency\":\"USD\",\"availability\":\"https:\/\/schema.org\/InStock\",\"url\":\"https:\/\/ggcracing.com\/products\/hardware-kit-4150-double-pumper-carb\",\"sku\":\"BJLH_5150\"}}\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 Hardware Kit - Holley 4150 Double Pumper Carburetor Rebuild\",\"item\":\"https:\/\/ggcracing.com\/products\/hardware-kit-4150-double-pumper-carb\"}]}\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 Hardware Kit - Holley 4150 Double Pumper Carburetor Rebui 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 Hardware Kit - Holley 4150 Double Pumper Carburetor Rebui?\",\"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":40866592292948,"sku":"BJLH_5150","price":36.71,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0552\/3210\/2484\/files\/AED5150.jpg?v=1714265267"},{"product_id":"hardware-kit-4160-vacuum-secondary-carb","title":"Advanced Engine Design Hardware Kit - Holley 4160 Vacuum Secondary 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\u003eComplete Your Holley 4160 Rebuild with AED's Vacuum Secondary Hardware Kit\u003c\/h2\u003e\u003cp\u003eRevitalize your Holley 4160 Vacuum Secondary Carburetor with the Advanced Engine Design Hardware Kit. This comprehensive collection of clips, pins, screws, and springs is essential for any rebuild or maintenance project, ensuring that every small but critical component is fresh and functional. Worn or missing hardware can lead to frustrating issues, but this kit provides everything you need to restore your carburetor to optimal operating condition.\u003c\/p\u003e\u003ch3\u003eWhat's Included in the Kit:\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eAssorted Clips:\u003c\/b\u003e Secure various linkages and components.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003ePrecision Pins:\u003c\/b\u003e For pivots and connections within the carburetor.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eHigh-Quality Screws:\u003c\/b\u003e To fasten covers, plates, and other parts securely.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eOptimized Springs:\u003c\/b\u003e Crucial for proper vacuum secondary operation and throttle response.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eThe Holley 4160 carburetor, with its vacuum secondary system, relies on a multitude of small parts to function correctly. Over time, these components can become fatigued, corroded, or lost during servicing. This AED hardware kit addresses these common issues, providing direct-fit replacements that meet high-performance standards. Ensure smooth operation, reliable throttle response, and proper fuel metering by using fresh, high-quality hardware.\u003c\/p\u003e\u003ch3\u003eSpecifications:\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eApplication:\u003c\/b\u003e Holley 4160 Carburetors with Vacuum Secondary\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eKit Contents:\u003c\/b\u003e Clips, Pins, Screws, Springs\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003ePurpose:\u003c\/b\u003e Carburetor Rebuild \/ Maintenance\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhy Choose Advanced Engine Design for Your Holley?\u003c\/h3\u003e\u003cp\u003eAdvanced Engine Design specializes in crafting superior carburetor components, and this hardware kit is no exception. Designed for durability and precise fitment, it helps you maintain the legendary performance of your Holley 4160. Find this and other essential parts for your vehicle's fuel system 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 Hardware Kit - Holley 4160 Vacuum Secondary Carburetors\",\"description\":\"Restore your Holley 4160 Vacuum Secondary Carburetor with the Advanced Engine Design Hardware Kit. Includes clips, pins, screws, and springs for a complete refresh.\",\"brand\":{\"@type\":\"Brand\",\"name\":\"Advanced Engine Design\"},\"mpn\":\"5160\",\"url\":\"https:\/\/ggcracing.com\/products\/hardware-kit-4160-vacuum-secondary-carb\",\"offers\":{\"@type\":\"Offer\",\"price\":\"31.46\",\"priceCurrency\":\"USD\",\"availability\":\"https:\/\/schema.org\/InStock\",\"url\":\"https:\/\/ggcracing.com\/products\/hardware-kit-4160-vacuum-secondary-carb\",\"sku\":\"BJLH_5160\"}}\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 Hardware Kit - Holley 4160 Vacuum Secondary Carburetors\",\"item\":\"https:\/\/ggcracing.com\/products\/hardware-kit-4160-vacuum-secondary-carb\"}]}\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 Hardware Kit - Holley 4160 Vacuum Secondary 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 Hardware Kit - Holley 4160 Vacuum Secondary 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":40866592489556,"sku":"BJLH_5160","price":33.65,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0552\/3210\/2484\/files\/AED5160.jpg?v=1714265292"},{"product_id":"trick-vacuum-secondary-diaphragm","title":"Advanced Engine Design Trick Vacuum Secondary Diaphragm for Holley Style 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\u003eUnleash Full Potential with the Advanced Engine Design Trick Vacuum Secondary Diaphragm\u003c\/h2\u003e\u003cp\u003eOptimize the secondary engagement of your Holley-style carburetor and unlock maximum power with the Advanced Engine Design Trick Vacuum Secondary Diaphragm (MPN: 5340). This specialized diaphragm is engineered to fine-tune the opening rate of your vacuum secondaries, allowing for a more aggressive or smoother transition into the secondary circuit based on engine demand. A properly functioning secondary diaphragm is crucial for achieving optimal air-fuel mixture at higher RPMs, translating directly into improved acceleration and top-end performance without bogging.\u003c\/p\u003e\u003ch3\u003ePrecision Control for Enhanced Power Delivery\u003c\/h3\u003e\u003cp\u003eUnlike standard diaphragms, the \"Trick\" design of this Advanced Engine Design component offers a nuanced approach to secondary operation. Constructed from a durable rubber and steel composite, it provides superior longevity and consistent performance under varying engine conditions. A worn or sluggish secondary diaphragm can delay the opening of the secondary throttle plates, resulting in a noticeable flat spot or lack of power when you demand full acceleration. Upgrading to this Trick Vacuum Secondary Diaphragm ensures that your Holley-style carburetor responds precisely, delivering a seamless surge of power exactly when your engine needs it most, maximizing both performance and efficiency.\u003c\/p\u003e\u003ch3\u003eKey Features \u0026amp; Specifications:\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDesign:\u003c\/strong\u003e \"Trick\" Vacuum Secondary for optimized response\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Durable Rubber and Steel composite construction\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Designed for Holley Style Carburetors with vacuum secondaries\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFunction:\u003c\/strong\u003e Enhances secondary throttle plate engagement and power delivery\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBenefits:\u003c\/strong\u003e Improves acceleration, eliminates flat spots, allows for fine-tuning\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e 5340\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuantity:\u003c\/strong\u003e Sold individually\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhy Advanced Engine Design for Your Carburetor Tuning?\u003c\/h3\u003e\u003cp\u003eAdvanced Engine Design is renowned for producing high-quality carburetor components that empower enthusiasts to extract every ounce of performance from their engines. The Trick Vacuum Secondary Diaphragm is a prime example of their commitment to precision and innovation. By choosing this diaphragm, you're not just replacing a part; you're upgrading your carburetor's ability to adapt to your driving style and engine's demands, ensuring a more responsive and powerful experience. For advanced carburetor tuning components and expert advice, look no further than 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 Trick Vacuum Secondary Diaphragm for Holley Style Carburetors\",\"description\":\"Optimize your Holley-style carburetor's secondary engagement with the Advanced Engine Design Trick Vacuum Secondary Diaphragm. Enhance power delivery!\",\"brand\":{\"@type\":\"Brand\",\"name\":\"Advanced Engine Design\"},\"mpn\":\"5340\",\"url\":\"https:\/\/ggcracing.com\/products\/trick-vacuum-secondary-diaphragm\",\"offers\":{\"@type\":\"Offer\",\"price\":\"10.74\",\"priceCurrency\":\"USD\",\"availability\":\"https:\/\/schema.org\/InStock\",\"url\":\"https:\/\/ggcracing.com\/products\/trick-vacuum-secondary-diaphragm\",\"sku\":\"BJLH_5340\"}}\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 Trick Vacuum Secondary Diaphragm for Holley Style Carburetors\",\"item\":\"https:\/\/ggcracing.com\/products\/trick-vacuum-secondary-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 Trick Vacuum Secondary Diaphragm for Holley Style Carbure 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 Trick Vacuum Secondary Diaphragm for Holley Style Carbure?\",\"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":40866599764052,"sku":"BJLH_5340","price":11.48,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0552\/3210\/2484\/files\/AED5340.jpg?v=1714265467"},{"product_id":"needle-squirter-pump-10pk","title":"Advanced Engine Design Needle Squirter Pump 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\u003ch2\u003eOptimize Fuel Delivery with AED Needle Squirter Pumps\u003c\/h2\u003e\u003cp\u003eAchieve precise fuel metering and improved throttle response with the Advanced Engine Design (AED) Needle Squirter Pump 10-pack. Designed specifically for enthusiasts running Holley-style carburetors, these components are essential for maintaining peak engine performance during acceleration. Whether you are tuning for the track or the street, consistent fuel discharge is critical to eliminating hesitation.\u003c\/p\u003e\u003ch3\u003eKey Features and Benefits\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrecision Engineering:\u003c\/strong\u003e Manufactured to strict tolerances for reliable fuel delivery.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBulk Value:\u003c\/strong\u003e Convenient 10-pack ensures you have plenty of spares for tuning sessions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Engineered to fit a wide range of Holley carburetor applications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurability:\u003c\/strong\u003e Built to withstand the rigors of high-performance driving environments.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eWhen tuning your carburetor, the condition of your squirter components directly impacts the fuel curve. Worn or inconsistent pumps can lead to lean spots or poor transition, robbing your engine of its true potential. These AED replacements provide the consistency required for professional-grade engine management. By replacing your old components with these high-quality units, you ensure that every pump of the throttle results in an immediate, crisp response. Trust your fuel system maintenance to 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 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 Needle Squirter Pump 10pk \\u2014 Fits Holley Carburetors\",\"description\":\"Upgrade your fuel system with Advanced Engine Design Needle Squirter Pumps. This 10-pack ensures consistent flow for Holley carburetors. Shop online today!\",\"brand\":{\"@type\":\"Brand\",\"name\":\"Advanced Engine Design\"},\"mpn\":\"5449X\",\"url\":\"https:\/\/ggcracing.com\/products\/needle-squirter-pump-10pk\",\"offers\":{\"@type\":\"Offer\",\"price\":\"8.30\",\"priceCurrency\":\"USD\",\"availability\":\"https:\/\/schema.org\/InStock\",\"url\":\"https:\/\/ggcracing.com\/products\/needle-squirter-pump-10pk\",\"sku\":\"BJLH_5449X\"}}\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 Needle Squirter Pump 10pk \\u2014 Fits Holley Carburetors\",\"item\":\"https:\/\/ggcracing.com\/products\/needle-squirter-pump-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 Needle Squirter Pump 10pk \\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 Needle Squirter Pump 10pk \\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":40866603565140,"sku":"BJLH_5449X","price":8.88,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0552\/3210\/2484\/files\/AED5449X.jpg?v=1714265767"},{"product_id":"bronze-throttle-shaft-bushings-8","title":"Advanced Engine Design Bronze Throttle Shaft Bushings (8-Pack) — Holley Style 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 Throttle Precision with Advanced Engine Design Bronze Bushings\u003c\/h2\u003e\u003cp\u003eEliminate throttle shaft play and restore crisp, responsive throttle action in your Holley-style carburetor with the \u003cb\u003eAdvanced Engine Design Bronze Throttle Shaft Bushings (8-Pack)\u003c\/b\u003e. Worn throttle shaft bushings are a common cause of vacuum leaks, inconsistent idle, and poor throttle response. These high-quality bronze bushings provide a durable, low-friction bearing surface, ensuring smooth operation and a tight seal for optimal carburetor performance.\u003c\/p\u003e\u003ch3\u003eEngineered for Durability and Performance\u003c\/h3\u003e\u003cp\u003eThese bronze bushings are a significant upgrade over factory components, offering superior wear resistance and longevity. By reducing lateral movement of the throttle shaft, they prevent air leaks that can lead to lean conditions and erratic engine behavior. This 8-pack provides enough bushings for a complete carburetor rebuild, addressing both primary and secondary throttle shafts.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eMaterial:\u003c\/b\u003e Premium bronze for exceptional durability and low friction.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eQuantity:\u003c\/b\u003e Set of 8 bushings for comprehensive rebuilds.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eApplication:\u003c\/b\u003e Designed specifically for Holley-style carburetors.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eBenefit:\u003c\/b\u003e Eliminates throttle shaft play and vacuum leaks.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eImprovement:\u003c\/b\u003e Restores precise throttle response and consistent idle.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eEssential for Carburetor Rebuilds and Upgrades\u003c\/h3\u003e\u003cp\u003eWhether you're performing a routine rebuild or upgrading your carburetor for enhanced performance, these Advanced Engine Design Bronze Throttle Shaft Bushings are an indispensable component. Their natural finish ensures a clean, professional look, while the precision engineering guarantees a perfect fit and lasting performance. Invest in the foundation of your carburetor's performance with these essential bushings.\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 Bronze Throttle Shaft Bushings (8-Pack) \\u2014 Holley Style Carburetors\",\"description\":\"Restore throttle response with Advanced Engine Design Bronze Throttle Shaft Bushings for Holley carburetors. 8-pack for a complete rebuild. Shop now!\",\"brand\":{\"@type\":\"Brand\",\"name\":\"Advanced Engine Design\"},\"mpn\":\"7960\",\"url\":\"https:\/\/ggcracing.com\/products\/bronze-throttle-shaft-bushings-8\",\"offers\":{\"@type\":\"Offer\",\"price\":\"24.30\",\"priceCurrency\":\"USD\",\"availability\":\"https:\/\/schema.org\/InStock\",\"url\":\"https:\/\/ggcracing.com\/products\/bronze-throttle-shaft-bushings-8\",\"sku\":\"BJLH_7960\"}}\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 Bronze Throttle Shaft Bushings (8-Pack) \\u2014 Holley Style Carburetors\",\"item\":\"https:\/\/ggcracing.com\/products\/bronze-throttle-shaft-bushings-8\"}]}\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 Bronze Throttle Shaft Bushings (8-Pack) \\u2014 Holley Style 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 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 Bronze Throttle Shaft Bushings (8-Pack) \\u2014 Holley Style 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":"Advanced Engine Design","offers":[{"title":"Default Title","offer_id":40866635481172,"sku":"BJLH_7960","price":25.98,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0552\/3210\/2484\/files\/AED7960.jpg?v=1714267135"},{"product_id":"carburetor-installation-kit-demon","title":"Demon Fuel Systems Carburetor Installation Kit — Universal Spread\/Square Bore","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\/oAhdCRixqqw\" 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\u003eProfessional Carburetor Installation Made Simple\u003c\/h2\u003e\u003cp\u003eAchieving a perfect seal is critical for engine performance. The Demon Fuel Systems Carburetor Installation Kit provides everything you need to mount your carburetor securely. Designed for versatility, this kit is compatible with both spread-bore and square-bore intake manifolds, making it the ideal choice for custom builds and engine swaps.\u003c\/p\u003e\u003ch3\u003eWhy Choose This Installation Kit?\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eUniversal Compatibility:\u003c\/strong\u003e Fits a wide range of intake manifolds and carburetor configurations.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePremium Sealing:\u003c\/strong\u003e High-quality gaskets prevent vacuum leaks that can ruin your air-fuel ratio.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eComplete Hardware:\u003c\/strong\u003e Includes all necessary mounting hardware to get your project on the road faster.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReliability:\u003c\/strong\u003e Engineered to withstand the heat and vibration of high-performance driving environments.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eWhether you are performing a routine maintenance swap or installing a brand-new performance carburetor, this kit ensures your fuel system remains airtight and efficient. Don't risk performance loss with old, brittle gaskets; upgrade your hardware for peace of mind. Trust GGCRACING for all your fuel system 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 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 Carburetor Installation Kit \\u2014 Universal Spread\/Square Bore\",\"description\":\"Ensure a leak-free setup with the Demon Fuel Systems Carburetor Installation Kit. Includes essential gaskets and hardware. Shop at GGCRACING today.\",\"brand\":{\"@type\":\"Brand\",\"name\":\"Demon Fuel Systems\"},\"mpn\":\"160049\",\"url\":\"https:\/\/ggcracing.com\/products\/carburetor-installation-kit-demon\",\"offers\":{\"@type\":\"Offer\",\"price\":\"34.44\",\"priceCurrency\":\"USD\",\"availability\":\"https:\/\/schema.org\/InStock\",\"url\":\"https:\/\/ggcracing.com\/products\/carburetor-installation-kit-demon\",\"sku\":\"BGWW_160049\"}}\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 Carburetor Installation Kit \\u2014 Universal Spread\/Square Bore\",\"item\":\"https:\/\/ggcracing.com\/products\/carburetor-installation-kit-demon\"}]}\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 Carburetor Installation Kit \\u2014 Universal Spread\/Square Bore 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 Carburetor Installation Kit \\u2014 Universal Spread\/Square Bore?\",\"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":40869025775700,"sku":"BGWW_160049","price":34.44,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0552\/3210\/2484\/files\/DMN160049.jpg?v=1714318009"},{"product_id":"accelerator-discharge-check-needle","title":"Holley Accelerator Discharge Check Needle Pair — 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 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\/p5OMLjjts1c\" 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\u003eRestore Carburetor Function with Holley Check Needles\u003c\/h2\u003e\u003cp\u003eThe Holley Accelerator Discharge Check Needle is a vital internal component for your accelerator pump circuit. This needle acts as a one-way valve, preventing fuel from being drawn back into the pump chamber during the intake stroke, ensuring that every pump of the throttle delivers a strong, consistent shot of fuel to the engine. Over time, these needles can wear or stick, leading to poor throttle response and inconsistent fuel delivery.\u003c\/p\u003e\u003ch3\u003eProduct Highlights\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM Quality:\u003c\/strong\u003e Genuine Holley replacement part for a perfect fit.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReliable Sealing:\u003c\/strong\u003e Ensures the accelerator pump circuit remains primed.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEssential Maintenance:\u003c\/strong\u003e Prevents fuel backflow for improved performance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable Material:\u003c\/strong\u003e Built to withstand the harsh environment of a fuel bowl.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSold as a Pair:\u003c\/strong\u003e Conveniently packaged to service your entire carburetor.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eIf you are rebuilding your Holley carburetor or experiencing a hesitation during acceleration, replacing the discharge check needles is a standard and necessary step. Don't let a small, worn-out part compromise your engine's performance. Keep your fuel system operating at factory specifications with high-quality replacement parts 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 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 Discharge Check Needle Pair \\u2014 Fits Holley Carburetors\",\"description\":\"Maintain your fuel system with genuine Holley accelerator discharge check needles. Ensure proper pump function. Order yours today at GGCRACING.\",\"brand\":{\"@type\":\"Brand\",\"name\":\"Holley\"},\"mpn\":\"121-5\",\"url\":\"https:\/\/ggcracing.com\/products\/accelerator-discharge-check-needle\",\"offers\":{\"@type\":\"Offer\",\"price\":\"21.51\",\"priceCurrency\":\"USD\",\"availability\":\"https:\/\/schema.org\/InStock\",\"url\":\"https:\/\/ggcracing.com\/products\/accelerator-discharge-check-needle\",\"sku\":\"BBVL_121-5\"}}\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 Discharge Check Needle Pair \\u2014 Fits Holley Carburetors\",\"item\":\"https:\/\/ggcracing.com\/products\/accelerator-discharge-check-needle\"}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"Does the Holley Accelerator Discharge Check Needle Pair \\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 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 Discharge Check Needle Pair \\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":"Holley","offers":[{"title":"Default Title","offer_id":40893266526292,"sku":"BBVL_121-5","price":22.37,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0552\/3210\/2484\/files\/HLY121-5.jpg?v=1714910390"},{"product_id":"secondary-diaphragm-2","title":"Holley Vacuum Secondary 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 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\/0FFfBZ3qgv0\" 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\u003eMaintain Smooth Secondary Operation with Holley Diaphragms\u003c\/h2\u003e\u003cp\u003eThe secondary diaphragm is a critical component in your Holley carburetor, responsible for the smooth opening of the secondary butterflies. If your car hesitates or feels sluggish when you floor it, a torn or stiff diaphragm is often the culprit. The Holley 135-4 Vacuum Secondary Diaphragm is the perfect replacement, featuring high-quality rubber and steel construction to ensure reliable operation under varying vacuum conditions.\u003c\/p\u003e\u003ch3\u003eKey Features and Benefits\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eReliable Performance:\u003c\/strong\u003e Ensures smooth, progressive secondary opening.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable Materials:\u003c\/strong\u003e High-grade rubber and steel for long-lasting flexibility.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUniversal Compatibility:\u003c\/strong\u003e Designed to fit a wide range of Holley vacuum secondary carburetors.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEasy Maintenance:\u003c\/strong\u003e A simple, cost-effective fix for common carburetor performance issues.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eDon't let a small component ruin your driving experience. A properly functioning vacuum secondary system is essential for achieving the full power potential of your engine. By replacing your old, brittle diaphragm with this genuine Holley part, you restore the crisp, responsive acceleration your vehicle was designed to provide. This is a must-have item for any carburetor service kit. When you need the right parts to keep your engine running smoothly, you can count on the inventory and expertise 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 Vacuum Secondary Diaphragm \\u2014 Fits Holley Carburetors\",\"description\":\"Replace your worn vacuum secondary diaphragm with this genuine Holley part. Ensure smooth secondary opening. Shop quality parts at GGCRACING.\",\"brand\":{\"@type\":\"Brand\",\"name\":\"Holley\"},\"mpn\":\"135-4\",\"url\":\"https:\/\/ggcracing.com\/products\/secondary-diaphragm-2\",\"offers\":{\"@type\":\"Offer\",\"price\":\"19.46\",\"priceCurrency\":\"USD\",\"availability\":\"https:\/\/schema.org\/InStock\",\"url\":\"https:\/\/ggcracing.com\/products\/secondary-diaphragm-2\",\"sku\":\"BBVL_135-4\"}}\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 Vacuum Secondary Diaphragm \\u2014 Fits Holley Carburetors\",\"item\":\"https:\/\/ggcracing.com\/products\/secondary-diaphragm-2\"}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"Does the Holley Vacuum Secondary 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 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 Vacuum Secondary 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":"Holley","offers":[{"title":"Default Title","offer_id":40893280059476,"sku":"BBVL_135-4","price":20.24,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0552\/3210\/2484\/files\/HLY135-4.jpg?v=1714911841"},{"product_id":"float-hanger-hardware-kit","title":"Holley Float Hanger Hardware Kit for Center Hung 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\/p5OMLjjts1c\" 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\u003eHolley Float Hanger Hardware Kit\u003c\/h2\u003e\u003cp\u003eEnsure your Holley carburetor continues to perform at its best with the Holley Float Hanger Hardware Kit. Designed specifically for center-hung float bowls, this kit provides all the necessary hardware to secure your floats, ensuring consistent fuel levels and optimal engine performance. Whether you are performing a routine rebuild or fine-tuning your fuel system, this kit is an essential addition to your toolbox.\u003c\/p\u003e\u003ch3\u003eKit Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eCompatible with Holley carburetors featuring center-hung floats\u003c\/li\u003e\n\u003cli\u003eIncludes all necessary hardware for a complete installation\u003c\/li\u003e\n\u003cli\u003eDurable steel construction with cadmium plating\u003c\/li\u003e\n\u003cli\u003eDesigned for precise fitment and reliability\u003c\/li\u003e\n\u003cli\u003eEssential for carburetor maintenance and tuning\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eProper float adjustment is critical to the operation of any carburetor. If your float hanger hardware is worn or damaged, it can lead to inconsistent fuel delivery, flooding, or lean conditions. This kit provides a high-quality replacement, allowing you to restore your carburetor to factory specifications. The cadmium-plated finish offers excellent corrosion resistance, ensuring that your hardware remains in top condition even in demanding engine bay environments. Keep your classic or performance engine running smoothly with reliable components 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 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 Float Hanger Hardware Kit for Center Hung Carburetors \\u2014 Holley 4150\/4160\",\"description\":\"Maintain your Holley carburetor with the Float Hanger Hardware Kit. Perfect for center hung floats. Get the parts you need at GGCRACING.\",\"brand\":{\"@type\":\"Brand\",\"name\":\"Holley\"},\"mpn\":\"20-105\",\"url\":\"https:\/\/ggcracing.com\/products\/float-hanger-hardware-kit\",\"offers\":{\"@type\":\"Offer\",\"price\":\"18.66\",\"priceCurrency\":\"USD\",\"availability\":\"https:\/\/schema.org\/InStock\",\"url\":\"https:\/\/ggcracing.com\/products\/float-hanger-hardware-kit\",\"sku\":\"BBVL_20-105\"}}\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 Float Hanger Hardware Kit for Center Hung Carburetors \\u2014 Holley 4150\/4160\",\"item\":\"https:\/\/ggcracing.com\/products\/float-hanger-hardware-kit\"}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"Does the Holley Float Hanger Hardware Kit for Center Hung Carburetors \\u2014 Holley 4150\/4160 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 Float Hanger Hardware Kit for Center Hung Carburetors \\u2014 Holley 4150\/4160?\",\"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":40893292838996,"sku":"BBVL_20-105","price":19.41,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0552\/3210\/2484\/files\/HLY20-105.jpg?v=1714912773"},{"product_id":"idle-mixture-screw","title":"Holley Carburetor Idle Mixture Screws - Zinc Oxide Steel — Fits Holley 2300, 4150, 4160, 4500 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 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 Precision: Holley Carburetor Idle Mixture Screws for Optimal Tuning\u003c\/h2\u003e\u003cp\u003eEnsure your Holley carburetor operates at peak efficiency with genuine Holley Idle Mixture Screws. These critical components are essential for fine-tuning your carburetor's idle circuit, allowing for precise air-fuel ratio adjustments that impact engine smoothness, responsiveness, and fuel economy at idle and off-idle conditions. Over time, original mixture screws can become worn, stripped, or corroded, leading to inconsistent performance and frustrating tuning challenges. This pair of replacement screws provides the exact fit and function needed to restore your carburetor's adjustability.\u003c\/p\u003e\u003ch3\u003eDurable Construction for Lasting Performance\u003c\/h3\u003e\u003cp\u003eCrafted from high-quality steel and finished with a protective zinc oxide coating, these Holley idle mixture screws are built to resist corrosion and wear, ensuring long-term reliability. The robust construction means they can withstand repeated adjustments without stripping, providing the consistent performance you expect from Holley. Designed as a direct replacement, installation is straightforward, allowing you to quickly get back to precise tuning.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eGenuine Holley Quality:\u003c\/b\u003e Ensures perfect fit and reliable performance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eDurable Steel Construction:\u003c\/b\u003e Built for longevity and resistance to wear.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eZinc Oxide Coating:\u003c\/b\u003e Provides superior corrosion protection.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003ePrecise Idle Adjustment:\u003c\/b\u003e Essential for optimal engine smoothness and efficiency.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003ePair Included:\u003c\/b\u003e Convenient for replacing both screws on compatible carburetors.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eBroad Compatibility with Popular Holley Carburetors\u003c\/h3\u003e\u003cp\u003eThese versatile idle mixture screws are compatible with a wide range of popular Holley carburetor series, making them an indispensable component for many performance and classic vehicle applications. Whether you're maintaining a street machine or dialing in a race car, having properly functioning idle mixture screws is paramount. They are specifically designed to fit:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eHolley 2300 Series Carburetors\u003c\/li\u003e\n\u003cli\u003eHolley 4150 Series Carburetors\u003c\/li\u003e\n\u003cli\u003eHolley 4160 Series Carburetors\u003c\/li\u003e\n\u003cli\u003eHolley 4500 Series Carburetors\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eDon't let worn-out components compromise your engine's performance. Invest in these authentic Holley idle mixture screws to regain precise control over your carburetor's idle circuit. Find all your essential Holley carburetor accessories and components at GGCRACING, your trusted source for high-performance automotive parts.\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 Carburetor Idle Mixture Screws - Zinc Oxide Steel \\u2014 Fits Holley 2300, 4150, 4160, 4500 Carbs\",\"description\":\"Fine-tune your Holley carburetor with genuine Holley idle mixture screws. Durable zinc oxide steel for precise fuel adjustment. Fits 2300, 4150, 4160, 4500 series.\",\"brand\":{\"@type\":\"Brand\",\"name\":\"Holley\"},\"mpn\":\"26-101\",\"url\":\"https:\/\/ggcracing.com\/products\/idle-mixture-screw\",\"offers\":{\"@type\":\"Offer\",\"price\":\"18.66\",\"priceCurrency\":\"USD\",\"availability\":\"https:\/\/schema.org\/InStock\",\"url\":\"https:\/\/ggcracing.com\/products\/idle-mixture-screw\",\"sku\":\"BBVL_26-101\"}}\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 Carburetor Idle Mixture Screws - Zinc Oxide Steel \\u2014 Fits Holley 2300, 4150, 4160, 4500 Carbs\",\"item\":\"https:\/\/ggcracing.com\/products\/idle-mixture-screw\"}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"Does the Holley Carburetor Idle Mixture Screws - Zinc Oxide Steel \\u2014 Fits Holley 2300, 415 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 Carburetor Idle Mixture Screws - Zinc Oxide Steel \\u2014 Fits Holley 2300, 415?\",\"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":40893301817428,"sku":"BBVL_26-101","price":19.41,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0552\/3210\/2484\/files\/HLY26-101.jpg?v=1714913822"},{"product_id":"holleyuniversal-carb-install-kit","title":"Holley Universal Carburetor Installation Kit — Spread and Square Bore","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\/vluxsaaikJw\" 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\u003eComplete Carburetor Installation Solution\u003c\/h2\u003e\u003cp\u003eInstalling a new carburetor shouldn't be a headache. The Holley Universal Carburetor Installation Kit provides everything you need to get your engine running smoothly. Designed to work with both spread-bore and square-bore manifolds, this comprehensive kit eliminates the guesswork and multiple trips to the parts store. Whether you are upgrading to a new Holley carb or performing a rebuild, this kit ensures a factory-quality seal and secure mounting.\u003c\/p\u003e\u003ch3\u003eWhat's Included in the Kit\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eUniversal Fitment:\u003c\/strong\u003e Compatible with a wide range of spread and square bore intake manifolds.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePremium Gaskets:\u003c\/strong\u003e High-quality base gaskets to prevent vacuum leaks.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEssential Hardware:\u003c\/strong\u003e Includes all necessary studs, nuts, and washers for a secure installation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEase of Use:\u003c\/strong\u003e Streamlines the mounting process for both DIY enthusiasts and professional mechanics.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReliable Performance:\u003c\/strong\u003e Manufactured to Holley's rigorous quality standards.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eA proper carburetor installation is critical for optimal air-fuel ratio and engine performance. Vacuum leaks caused by poor sealing can lead to rough idling and poor throttle response. By using this Holley installation kit, you ensure that your carburetor is seated correctly and sealed against the intake manifold, allowing your engine to reach its full potential. Don't let missing hardware stall your project; rely on the experts at GGCRACING to provide the essential components for your build.\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 Universal Carburetor Installation Kit \\u2014 Spread and Square Bore\",\"description\":\"Simplify your carburetor swap with the Holley Universal Installation Kit. Includes all necessary hardware and gaskets for a perfect fit. Get yours at GGCRACING.\",\"brand\":{\"@type\":\"Brand\",\"name\":\"Holley\"},\"mpn\":\"20-124\",\"url\":\"https:\/\/ggcracing.com\/products\/holleyuniversal-carb-install-kit\",\"offers\":{\"@type\":\"Offer\",\"price\":\"35.78\",\"priceCurrency\":\"USD\",\"availability\":\"https:\/\/schema.org\/InStock\",\"url\":\"https:\/\/ggcracing.com\/products\/holleyuniversal-carb-install-kit\",\"sku\":\"BBVL_20-124\"}}\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 Universal Carburetor Installation Kit \\u2014 Spread and Square Bore\",\"item\":\"https:\/\/ggcracing.com\/products\/holleyuniversal-carb-install-kit\"}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"Does the Holley Universal Carburetor Installation Kit \\u2014 Spread and Square Bore 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 Universal Carburetor Installation Kit \\u2014 Spread and Square Bore?\",\"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":41065945989204,"sku":"BBVL_20-124","price":37.21,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0552\/3210\/2484\/files\/HLY20-124.jpg?v=1716683014"},{"product_id":"shifnoidengine-lean-out-kit","title":"Shifnoid Engine Lean Out Kit with 10ft Hose and Quick Connects — Universal Racing","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 Shifnoid\u003c\/h3\u003e\n\u003cp style=\"margin:0;font-size:0.95em;line-height:1.55;\"\u003eShifnoid engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full Shifnoid lineup with fast shipping and expert fitment support — order with confidence.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch2\u003eAdvanced Engine Lean Out Control\u003c\/h2\u003e\u003cp\u003eTake command of your engine's fuel delivery with the Shifnoid Engine Lean Out Kit. This comprehensive kit is designed for racers who need precise control over their air-fuel ratios during a run. By allowing for a controlled lean-out, you can optimize combustion efficiency and maximize power output. This kit includes all the necessary hardware to integrate seamlessly into your existing fuel or air management system.\u003c\/p\u003e\u003ch3\u003eKit Components and Specifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eValve:\u003c\/strong\u003e High-performance Lean Out Valve\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHose:\u003c\/strong\u003e 10 feet of 1\/2 inch high-pressure hose\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFittings:\u003c\/strong\u003e Two 3\/8 inch NPT Male to 1\/2 inch Quick Connects\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Lightweight, durable Aluminum\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Universal racing fuel\/air systems\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eThe use of high-quality aluminum in the valve construction keeps weight to a minimum, which is critical for competitive racing. The included 10-foot hose provides ample length for custom routing, while the quick-connect fittings ensure that you can install or service the system without specialized tools. This kit is a must-have for tuners and engine builders looking to fine-tune their performance on the track. Experience the difference in engine management and reliability with this professional-grade 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 Shifnoid 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\/shifnoidswitch-rpm-activated-w-o-delay\" style=\"color:#0066cc;text-decoration:none;\"\u003eShifnoid RPM Activated Switch — Chip Adjustable Performance Controller\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/shifnoidadjustable-rpm-chip\" style=\"color:#0066cc;text-decoration:none;\"\u003eShifnoid Adjustable RPM Chip 1000-11000 RPM Module — Universal Racing Ignition\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/shifnoidline-kit-co2\" style=\"color:#0066cc;text-decoration:none;\"\u003eShifnoid Pneumatic Shifter Hose Kit 1\/4 inch OD — Universal CO2 Shifter System\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/shifnoidco2-bottle-fitting-air-filler-back-up\" style=\"color:#0066cc;text-decoration:none;\"\u003eShifnoid CO2 Bottle Air Filler Back-Up Valve 1\/8 inch NPT — Brass Fitting\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/shifnoidregulator-co2-single-gauge\" style=\"color:#0066cc;text-decoration:none;\"\u003eShifnoid CO2 Single Gauge Regulator 85 psi — Pneumatic Shifter Part\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\":\"Shifnoid Engine Lean Out Kit with 10ft Hose and Quick Connects \\u2014 Universal Racing\",\"description\":\"Control your fuel mixture effectively with the Shifnoid Engine Lean Out Kit. Includes 10ft hose and quick connects. Order your performance kit at GGCRACING.\",\"brand\":{\"@type\":\"Brand\",\"name\":\"Shifnoid\"},\"mpn\":\"PC3000\",\"url\":\"https:\/\/ggcracing.com\/products\/shifnoidengine-lean-out-kit\",\"offers\":{\"@type\":\"Offer\",\"price\":\"79.99\",\"priceCurrency\":\"USD\",\"availability\":\"https:\/\/schema.org\/InStock\",\"url\":\"https:\/\/ggcracing.com\/products\/shifnoidengine-lean-out-kit\",\"sku\":\"GCLH_PC3000\"}}\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\":\"Shifnoid\",\"item\":\"https:\/\/ggcracing.com\/collections\/vendors?q=Shifnoid\"},{\"@type\":\"ListItem\",\"position\":4,\"name\":\"Shifnoid Engine Lean Out Kit with 10ft Hose and Quick Connects \\u2014 Universal Racing\",\"item\":\"https:\/\/ggcracing.com\/products\/shifnoidengine-lean-out-kit\"}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"Does the Shifnoid Engine Lean Out Kit with 10ft Hose and Quick Connects \\u2014 Universal Racin 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 Shifnoid?\",\"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 Shifnoid Engine Lean Out Kit with 10ft Hose and Quick Connects \\u2014 Universal Racin?\",\"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":"Shifnoid","offers":[{"title":"Default Title","offer_id":41120917487700,"sku":"GCLH_PC3000","price":79.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0552\/3210\/2484\/files\/SHFPC3000.jpg?v=1717346311"},{"product_id":"g5-primary-metering-valves-4bbl","title":"Willy's Carburetors G5 Primary Metering Valves - 0.080-0.088 in - Brass","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 Willy's Carburetors\u003c\/h3\u003e\n\u003cp style=\"margin:0;font-size:0.95em;line-height:1.55;\"\u003eWilly's Carburetors engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full Willy's Carburetors lineup with fast shipping and expert fitment support — order with confidence.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch2\u003eWilly's Carburetors G5 Primary Metering Valves\u003c\/h2\u003e\n\u003ch3\u003ePrecision Fuel Tuning for Your 4BBL Carburetor\u003c\/h3\u003e\n\u003cp\u003eOptimize your carburetor's performance with Willy's Carburetors G5 Primary Metering Valves. These high-quality brass valves are specifically designed for 4-barrel carburetors, allowing for precise adjustment of fuel delivery. With an orifice range of 0.080-0.088 inches, these primary metering valves are crucial for fine-tuning your engine's air-fuel mixture, ensuring optimal power output and efficiency.\u003c\/p\u003e\n\u003ch3\u003eDurable Brass Construction\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e G5 Primary Metering Valves.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Constructed from durable brass for longevity and resistance to corrosion.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSize:\u003c\/strong\u003e Orifice range of 0.080 to 0.088 inches, suitable for precise fuel tuning.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Designed for use in 4-barrel carburetors.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFunction:\u003c\/strong\u003e Essential component for controlling fuel flow and air-fuel ratio.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackage:\u003c\/strong\u003e Sold as a pair for convenient replacement or setup.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFine-Tune Your Performance\u003c\/h3\u003e\n\u003cp\u003eProper fuel metering is critical for maximizing engine performance, whether on the street or the track. These Willy's Carburetors metering valves provide the accuracy needed to dial in your fuel system, preventing issues like lean conditions or overly rich mixtures. Ensure your engine runs at its peak potential with these essential carburetor components. Find the right parts for your build 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 Willy's Carburetors 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\/rollover-vent-6an-high-flow\" style=\"color:#0066cc;text-decoration:none;\"\u003eWilly's Carburetors High Flow Rollover Vent -6 AN Check Valve\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/rollover-vent-8an-high-flow\" style=\"color:#0066cc;text-decoration:none;\"\u003eWilly's Carburetors Rollover Vent Check Valve -8AN High Flow\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/carburetor-alky-equalizer-gm-604-crate\" style=\"color:#0066cc;text-decoration:none;\"\u003eWilly's Carburetors 750 CFM Carburetor Alky Equalizer GM 604 Crate\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/carburetor-e85-equalizer-gm-604-crate\" style=\"color:#0066cc;text-decoration:none;\"\u003eWilly's Carburetors 750 CFM Carburetor E85 Equalizer GM 604 Crate\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/fuel-pressure-reg-belt-drive-alcohol\" style=\"color:#0066cc;text-decoration:none;\"\u003eWilly's Carburetors Fuel Pressure Regulator Belt Drive Alcohol -8 AN\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\":\"Willy's Carburetors G5 Primary Metering Valves - 0.080-0.088 in - Brass\",\"description\":\"Willy's Carburetors G5 Primary Metering Valves (Brass, 0.080-0.088 in). Essential for 4BBL carburetor tuning. Get yours at GGCRACING!\",\"brand\":{\"@type\":\"Brand\",\"name\":\"Willy's Carburetors\"},\"mpn\":\"WCD80\",\"url\":\"https:\/\/ggcracing.com\/products\/g5-primary-metering-valves-4bbl\",\"offers\":{\"@type\":\"Offer\",\"price\":\"50.99\",\"priceCurrency\":\"USD\",\"availability\":\"https:\/\/schema.org\/InStock\",\"url\":\"https:\/\/ggcracing.com\/products\/g5-primary-metering-valves-4bbl\",\"sku\":\"BJZW_WCD80\"}}\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\":\"Wheels\",\"item\":\"https:\/\/ggcracing.com\/collections\/wheels\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Willy's Carburetors\",\"item\":\"https:\/\/ggcracing.com\/collections\/vendors?q=Willy's+Carburetors\"},{\"@type\":\"ListItem\",\"position\":4,\"name\":\"Willy's Carburetors G5 Primary Metering Valves - 0.080-0.088 in - Brass\",\"item\":\"https:\/\/ggcracing.com\/products\/g5-primary-metering-valves-4bbl\"}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"Does the Willy's Carburetors G5 Primary Metering Valves - 0.080-0.088 in - Brass 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 Willy's Carburetors?\",\"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 Willy's Carburetors G5 Primary Metering Valves - 0.080-0.088 in - Brass?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Wheel installation requires a torque wrench and proper lug-tightening sequence to factory spec \\u2014 most installs take 30-60 minutes per wheel.\"}}]}\u003c\/script\u003e","brand":"Willy's Carburetors","offers":[{"title":"Default Title","offer_id":41644452937812,"sku":"BJZW_WCD80","price":50.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0552\/3210\/2484\/files\/WCD80.jpg?v=1729355484"}],"url":"https:\/\/ggcracing.com\/collections\/carburetor-accessories-and-components\/closeout.oembed","provider":"GGCRACING INC","version":"1.0","type":"link"}