{"title":"Water Outlet Restrictors","description":null,"products":[{"product_id":"jones-racing-productsbillet-aluminum-water-restrictor","title":"Jones Racing Products Billet Aluminum Water Restrictor — 1.75in OD","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 Jones Racing Products\u003c\/h3\u003e\n\u003cp style=\"margin:0;font-size:0.95em;line-height:1.55;\"\u003eJones Racing Products engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full Jones Racing Products 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\/75wyg6nI3gg\" 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\u003ePrecision Billet Aluminum Water Restrictor\u003c\/h2\u003e\u003cp\u003eAchieve optimal engine cooling efficiency with the Jones Racing Products Billet Aluminum Water Restrictor. Designed to regulate coolant flow, this 1.75-inch OD restrictor is a vital component for managing engine temperatures in high-performance racing applications. Its durable billet aluminum construction and sleek black anodized finish provide both functional excellence and a professional aesthetic under the hood.\u003c\/p\u003e\u003ch3\u003eCooling System Optimization\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e1.75-inch outer diameter for standard hose fitment\u003c\/li\u003e\n\u003cli\u003eLightweight, high-strength billet aluminum\u003c\/li\u003e\n\u003cli\u003eBlack anodized finish for corrosion resistance\u003c\/li\u003e\n\u003cli\u003eRegulates coolant flow for consistent engine temps\u003c\/li\u003e\n\u003cli\u003eIdeal for custom cooling system configurations\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eProper coolant flow management is critical to preventing engine overheating and maintaining consistent performance throughout a race. This restrictor allows you to fine-tune your cooling system, ensuring that your engine stays within its ideal operating range even under extreme load. Whether you are building a new cooling system or upgrading an existing one, this Jones Racing component offers the reliability and precision required for competitive motorsports. Explore our full catalog of cooling 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 Jones Racing Products 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\/jones-racing-productsserpentine-drive-kit-sbs-w-p-s-w-p\" style=\"color:#0066cc;text-decoration:none;\"\u003eJones Racing Products 5-Rib Serpentine Drive Kit — Fits Small Block Chevy w\/ Power Steerin\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/jones-racing-productsserpentine-drive-kit-sbc-w-p-s-w-p-7500rpm\" style=\"color:#0066cc;text-decoration:none;\"\u003eJones Racing Products Serpentine Drive Kit 7500RPM SBC — Fits Small Block Chevy w\/ Power S\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/jones-racing-productsserpentine-drive-kit-sbc-w-p-s-w-p\" style=\"color:#0066cc;text-decoration:none;\"\u003eJones Racing Products Serpentine Drive Kit SBC — Fits Small Block Chevy w\/ Power Steering \u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/jones-racing-productsserpentine-drive-kit-sbc-crate-engine-w-p-s\" style=\"color:#0066cc;text-decoration:none;\"\u003eJones Racing Products Serpentine Drive Kit SBC Crate Engine — Fits Small Block Chevy w\/ Po\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/jones-racing-productsdrive-kit-serp-ls-ct525-w-water-pump\" style=\"color:#0066cc;text-decoration:none;\"\u003eJones Racing Products Serpentine Drive Kit LS CT525 — Fits GM LS-Series w\/ Water Pump\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\":\"Jones Racing Products Billet Aluminum Water Restrictor \\u2014 1.75in OD\",\"description\":\"Optimize engine cooling with the Jones Racing Products Billet Aluminum Water Restrictor. 1.75in OD, black anodized finish. Get yours at GGCRACING!\",\"brand\":{\"@type\":\"Brand\",\"name\":\"Jones Racing Products\"},\"mpn\":\"RR-9104-A\",\"url\":\"https:\/\/ggcracing.com\/products\/jones-racing-productsbillet-aluminum-water-restrictor\",\"offers\":{\"@type\":\"Offer\",\"price\":\"38.57\",\"priceCurrency\":\"USD\",\"availability\":\"https:\/\/schema.org\/InStock\",\"url\":\"https:\/\/ggcracing.com\/products\/jones-racing-productsbillet-aluminum-water-restrictor\",\"sku\":\"GCDN_RR-9104-A\"}}\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\":\"Jones Racing Products\",\"item\":\"https:\/\/ggcracing.com\/collections\/vendors?q=Jones+Racing+Products\"},{\"@type\":\"ListItem\",\"position\":4,\"name\":\"Jones Racing Products Billet Aluminum Water Restrictor \\u2014 1.75in OD\",\"item\":\"https:\/\/ggcracing.com\/products\/jones-racing-productsbillet-aluminum-water-restrictor\"}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"Does the Jones Racing Products Billet Aluminum Water Restrictor \\u2014 1.75in OD 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 Jones Racing Products?\",\"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 Jones Racing Products Billet Aluminum Water Restrictor \\u2014 1.75in OD?\",\"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":"Jones Racing Products","offers":[{"title":"Default Title","offer_id":41123309944916,"sku":"GCDN_RR-9104-A","price":38.57,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0552\/3210\/2484\/files\/JRPRR-9104-A.jpg?v=1717396728"},{"product_id":"kluhsman-racingwater-restrictor-alum","title":"Kluhsman Racing Water Outlet Restrictor 5\/8in ID — Aluminum Flow Control","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 Kluhsman Racing\u003c\/h3\u003e\n\u003cp style=\"margin:0;font-size:0.95em;line-height:1.55;\"\u003eKluhsman Racing engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full Kluhsman Racing lineup with fast shipping and expert fitment support — order with confidence.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch2\u003eKluhsman Racing Aluminum Water Outlet Restrictor\u003c\/h2\u003e\u003cp\u003eMaintain consistent engine temperatures with the Kluhsman Racing water outlet restrictor. Designed for high-performance cooling systems, this 5\/8-inch ID restrictor is crafted from high-grade aluminum to ensure durability under extreme racing conditions. The unique funnel-shaped design promotes efficient coolant flow, helping to prevent hot spots and maintain optimal operating temperatures throughout your engine block.\u003c\/p\u003e\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eMaterial: Lightweight, durable aluminum\u003c\/li\u003e\n\u003cli\u003eDesign: Funnel-shaped for improved flow dynamics\u003c\/li\u003e\n\u003cli\u003eSize: 5\/8 inch Inner Diameter (ID)\u003c\/li\u003e\n\u003cli\u003eFinish: Natural aluminum\u003c\/li\u003e\n\u003cli\u003eApplication: Universal racing cooling systems\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eProper coolant flow management is critical for engine longevity and performance. By installing this restrictor, you can fine-tune your cooling system to handle the demands of competitive racing, ensuring your engine stays within its ideal temperature range. Its lightweight construction adds minimal weight while providing maximum reliability. Whether you are building a drag car or a circuit racer, this component is an essential addition to your cooling setup. Experience the precision engineering that defines the GGCRACING product lineup.\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 Kluhsman Racing 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\/kluhsman-racingkluhsman-catalog-2017\" style=\"color:#0066cc;text-decoration:none;\"\u003eKluhsman Racing 2017 Product Catalog — Performance Parts Guide\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/kluhsman-racingaluminum-carb-hat-5-16in-18-nut\" style=\"color:#0066cc;text-decoration:none;\"\u003eKluhsman Racing Aluminum Carb Hat 5-1\/8in Flange — 5\/16-18 Nut\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/kluhsman-racingdominator-carb-cover\" style=\"color:#0066cc;text-decoration:none;\"\u003eKluhsman Racing Dominator Carburetor Cover — 7-5\/16in Flange\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/kluhsman-racinglarge-gas-pedal-stop\" style=\"color:#0066cc;text-decoration:none;\"\u003eKluhsman Racing Large Gas Pedal Stop 2-1\/4 in Adjustment Aluminum — Universal Throttle Con\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/kluhsman-racingquick-disconnect-lokar-adapter\" style=\"color:#0066cc;text-decoration:none;\"\u003eKluhsman Racing Quick Disconnect Lokar Adapter — Red Anodized Throttle Linkage\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\":\"Kluhsman Racing Water Outlet Restrictor 5\/8in ID \\u2014 Aluminum Flow Control\",\"description\":\"Optimize your cooling system with the Kluhsman Racing 5\/8in ID aluminum water outlet restrictor. Durable, funnel-shaped design for better flow control.\",\"brand\":{\"@type\":\"Brand\",\"name\":\"Kluhsman Racing\"},\"mpn\":\"KRC-1027\",\"url\":\"https:\/\/ggcracing.com\/products\/kluhsman-racingwater-restrictor-alum\",\"offers\":{\"@type\":\"Offer\",\"price\":\"20.99\",\"priceCurrency\":\"USD\",\"availability\":\"https:\/\/schema.org\/InStock\",\"url\":\"https:\/\/ggcracing.com\/products\/kluhsman-racingwater-restrictor-alum\",\"sku\":\"BJFB_KRC-1027\"}}\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\":\"Kluhsman Racing\",\"item\":\"https:\/\/ggcracing.com\/collections\/vendors?q=Kluhsman+Racing\"},{\"@type\":\"ListItem\",\"position\":4,\"name\":\"Kluhsman Racing Water Outlet Restrictor 5\/8in ID \\u2014 Aluminum Flow Control\",\"item\":\"https:\/\/ggcracing.com\/products\/kluhsman-racingwater-restrictor-alum\"}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"Does the Kluhsman Racing Water Outlet Restrictor 5\/8in ID \\u2014 Aluminum Flow Control 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 Kluhsman Racing?\",\"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 Kluhsman Racing Water Outlet Restrictor 5\/8in ID \\u2014 Aluminum Flow Control?\",\"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":"Kluhsman Racing","offers":[{"title":"Default Title","offer_id":41126240125012,"sku":"BJFB_KRC-1027","price":20.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0552\/3210\/2484\/files\/KLU1027.jpg?v=1717450299"},{"product_id":"allstar-performance-water-outlet-restrictor-kit","title":"Allstar Performance Water Outlet Restrictor Kit 2-1\/8in OD — Fits GM\/Ford","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 Allstar Performance\u003c\/h3\u003e\n\u003cp style=\"margin:0;font-size:0.95em;line-height:1.55;\"\u003eAllstar Performance is America's leading circle-track racing parts manufacturer. From aluminum panels and chassis components to brake hardware, steering boxes, and oval-track shock packages — every Allstar product is born from sprint car and modified racing experience.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch2\u003ePrecision Engine Temperature Control\u003c\/h2\u003e\u003cp\u003eFine-tune your engine's cooling system with the Allstar Performance Water Outlet Restrictor Kit. This essential set allows you to regulate coolant flow, ensuring your engine reaches and maintains its ideal operating temperature quickly. By managing the flow rate at the water outlet, you can prevent thermal shock and improve overall engine efficiency during competitive racing conditions.\u003c\/p\u003e\u003ch3\u003eKit Specifications and Compatibility\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eVersatile Sizing:\u003c\/strong\u003e Includes three restrictors with 5\/8 inch, 3\/4 inch, and 1 inch ID options.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrecision Machined:\u003c\/strong\u003e Constructed from high-quality aluminum for lightweight durability.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAnodized Finish:\u003c\/strong\u003e Comes in vibrant Blue, Gold, and Red for easy identification and corrosion resistance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBroad Fitment:\u003c\/strong\u003e Designed for Small Block Ford, GM V6, and V8 engine applications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOuter Diameter:\u003c\/strong\u003e 2-1\/8 inch OD fits most standard water neck housings.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eThese restrictors are a must-have for builders looking to optimize cooling system performance. By restricting the flow, you increase the time coolant spends in the radiator, allowing for more efficient heat dissipation. This is particularly effective in high-performance engines that tend to run too cool or experience temperature fluctuations. Experience better thermal management and consistent performance on the track with these premium cooling 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 Allstar Performance 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\/asphalt-tire-book\" style=\"color:#0066cc;text-decoration:none;\"\u003eAllstar Performance Asphalt Tire Setup Log Book — 50 Sheet Pad\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/circle-track-set-up-book\" style=\"color:#0066cc;text-decoration:none;\"\u003eAllstar Performance Circle Track Set-Up Book - Chassis Setup Chart\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/tire-log-decals-8pk\" style=\"color:#0066cc;text-decoration:none;\"\u003eAllstar Performance Tire Log Decals — 8 Pack Information Stickers\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/tire-log-decals-40pk\" style=\"color:#0066cc;text-decoration:none;\"\u003eAllstar Performance Tire Log Decals — 40 Pack Bulk Information Stickers\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/tire-spoon-24in-straight-w-round-end\" style=\"color:#0066cc;text-decoration:none;\"\u003eAllstar Performance 24in Straight Tire Spoon w\/ Round End — Steel\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\":\"Allstar Performance Water Outlet Restrictor Kit 2-1\/8in OD \\u2014 Fits GM\/Ford\",\"description\":\"Control your engine temperature with the Allstar Performance Water Outlet Restrictor Kit. 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Contact our experts at GGCRACING with your VIN and we'll verify before you order.\"}},{\"@type\":\"Question\",\"name\":\"How long is shipping for Allstar Performance?\",\"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 Allstar Performance Water Outlet Restrictor Kit 2-1\/8in OD \\u2014 Fits GM\/Ford?\",\"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":"Allstar Performance","offers":[{"title":"Default Title","offer_id":41441564164180,"sku":"DNLF_ALL30241","price":7.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0552\/3210\/2484\/files\/ALL30241.jpg?v=1721508220"},{"product_id":"allstar-performance-radiator-hose-restrictor","title":"Allstar Performance Radiator Hose Restrictor 1.75 Inch — Cooling System","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 Allstar Performance\u003c\/h3\u003e\n\u003cp style=\"margin:0;font-size:0.95em;line-height:1.55;\"\u003eAllstar Performance is America's leading circle-track racing parts manufacturer. From aluminum panels and chassis components to brake hardware, steering boxes, and oval-track shock packages — every Allstar product is born from sprint car and modified racing experience.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch2\u003eOptimize Coolant Flow with Allstar Performance Restrictors\u003c\/h2\u003e\u003cp\u003eThe Allstar Performance 1.75-inch radiator hose restrictor is a vital component for fine-tuning your cooling system. In high-performance racing engines, coolant often flows too quickly through the radiator, preventing it from dissipating heat effectively. This aluminum restrictor creates the necessary backpressure to slow the coolant down, allowing for maximum heat transfer and more stable engine operating temperatures.\u003c\/p\u003e\u003ch3\u003eTechnical Specifications and Benefits\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrecision Engineering:\u003c\/strong\u003e Designed for 1.75-inch OD radiator hoses to ensure a secure and effective fit.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable Aluminum:\u003c\/strong\u003e Lightweight, natural finish construction that resists thermal fatigue and vibration.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eImproved Thermal Efficiency:\u003c\/strong\u003e Regulates coolant velocity to optimize radiator performance during high-RPM operation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEasy Installation:\u003c\/strong\u003e Designed to be inserted directly into the radiator hose for a seamless integration into your existing cooling loop.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eMaintaining the right coolant temperature is essential for preventing engine damage and ensuring consistent performance on the track. Whether you are building a drag car, a circle track racer, or a high-performance street vehicle, managing coolant flow is a key step in professional engine tuning. This restrictor provides a simple, effective way to dial in your cooling system without complex modifications. Enhance your vehicle's thermal management capabilities today with high-quality 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 Allstar Performance 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\/asphalt-tire-book\" style=\"color:#0066cc;text-decoration:none;\"\u003eAllstar Performance Asphalt Tire Setup Log Book — 50 Sheet Pad\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/circle-track-set-up-book\" style=\"color:#0066cc;text-decoration:none;\"\u003eAllstar Performance Circle Track Set-Up Book - Chassis Setup Chart\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/tire-log-decals-8pk\" style=\"color:#0066cc;text-decoration:none;\"\u003eAllstar Performance Tire Log Decals — 8 Pack Information Stickers\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/tire-log-decals-40pk\" style=\"color:#0066cc;text-decoration:none;\"\u003eAllstar Performance Tire Log Decals — 40 Pack Bulk Information Stickers\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/tire-spoon-24in-straight-w-round-end\" style=\"color:#0066cc;text-decoration:none;\"\u003eAllstar Performance 24in Straight Tire Spoon w\/ Round End — Steel\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\":\"Allstar Performance Radiator Hose Restrictor 1.75 Inch \\u2014 Cooling System\",\"description\":\"Control coolant flow with the Allstar Performance 1.75 inch radiator hose restrictor. Improve cooling efficiency and engine stability. Buy online now!\",\"brand\":{\"@type\":\"Brand\",\"name\":\"Allstar Performance\"},\"mpn\":\"ALL30242\",\"url\":\"https:\/\/ggcracing.com\/products\/allstar-performance-radiator-hose-restrictor\",\"offers\":{\"@type\":\"Offer\",\"price\":\"19.99\",\"priceCurrency\":\"USD\",\"availability\":\"https:\/\/schema.org\/InStock\",\"url\":\"https:\/\/ggcracing.com\/products\/allstar-performance-radiator-hose-restrictor\",\"sku\":\"DNLF_ALL30242\"}}\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\":\"Allstar Performance\",\"item\":\"https:\/\/ggcracing.com\/collections\/vendors?q=Allstar+Performance\"},{\"@type\":\"ListItem\",\"position\":4,\"name\":\"Allstar Performance Radiator Hose Restrictor 1.75 Inch \\u2014 Cooling System\",\"item\":\"https:\/\/ggcracing.com\/products\/allstar-performance-radiator-hose-restrictor\"}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"Does the Allstar Performance Radiator Hose Restrictor 1.75 Inch \\u2014 Cooling System 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 Allstar Performance?\",\"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 Allstar Performance Radiator Hose Restrictor 1.75 Inch \\u2014 Cooling System?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Most installs are bolt-on with basic hand tools. 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