{"product_id":"royalair-1-4-phenolic-carburetor-spacer-4-hole-direct-fit-for-holley-edelbrock-heat-reducing","title":"RoyalAir 1\/4\" Phenolic Carburetor Spacer 4-Hole — Direct-Fit for Holley\/Edelbrock, Heat-Reducing","description":"\u003cp\u003e\u003cstrong\u003eRoyalAir 1\/4 inch phenolic carburetor spacer with four holes provides a thermal barrier between carburetor and intake manifold to improve throttle response and help maintain cooler fuel temperatures.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eIf you run a Holley 4150\/4160, Edelbrock Performer, or similar carburetor, the right spacer can make measurable differences in driveability and consistency. This RoyalAir spacer is machined to match common 4-bolt carb bases and uses phenolic material to reduce heat transfer from the intake manifold. It’s a direct-fit alternative to the Canton Racing 85-154 layout and intended for straightforward installation with standard mounting hardware.\u003c\/p\u003e\n\n\u003ch3\u003eHow does this spacer affect throttle response and mixture distribution?\u003c\/h3\u003e\n\u003cp\u003eThe 1\/4\" thickness combined with four precisely machined ports helps even out airflow under the carburetor, which can smooth throttle transitions and reduce hesitation. By adding spacing between the carb and manifold, the spacer gives the fuel-air charge a small pocket to better atomize before entering the runner.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e1\/4\" thickness creates a short plenum for improved atomization\u003c\/li\u003e\n  \u003cli\u003eFour-hole configuration maintains factory-aligned ports for even flow\u003c\/li\u003e\n  \u003cli\u003ePrecision-machined openings reduce turbulence at the carb base\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill this spacer reduce heat-related fuel issues like vapor lock?\u003c\/h3\u003e\n\u003cp\u003ePhenolic is chosen for its low thermal conductivity, so installing this spacer places a thermal barrier between the hot intake and the carburetor body. That separation helps keep fuel temperatures lower at the carb mounting surface and can reduce the likelihood of vapor formation in warm operating conditions.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003ePhenolic construction minimizes heat transfer into the carb body\u003c\/li\u003e\n  \u003cli\u003ePhysical gap decreases direct manifold heat conduction\u003c\/li\u003e\n  \u003cli\u003eCompatible with high-temperature engine environments without warping\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eIs installation complicated for a home mechanic?\u003c\/h3\u003e\n\u003cp\u003eInstallation is intentionally simple: the spacer includes four mounting holes aligned to standard carburetor bolt patterns and requires only common tools for fitting. No specialty gaskets beyond the appropriate intake and carburetor seals are usually needed, and the spacer matches Holley 4150\/4160 and many Edelbrock bolt patterns for direct replacement.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eUses standard four-corner mounting hardware\u003c\/li\u003e\n  \u003cli\u003eDirect-fit for Holley 4150\/4160 and Edelbrock Performer series\u003c\/li\u003e\n  \u003cli\u003eCompatible with existing carb and intake gaskets for most installations\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat materials and dimensions should I expect?\u003c\/h3\u003e\n\u003cp\u003eThe spacer is molded from robust phenolic resin to combine light weight with thermal resistance. It measures 1\/4 inch thick and features four accurately located openings and corner bolt holes to match OEM-style carburetor bases.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eMaterial: high-strength phenolic\u003c\/li\u003e\n  \u003cli\u003eThickness: 1\/4 inch (6.35 mm)\u003c\/li\u003e\n  \u003cli\u003ePattern: four-hole carburetor mounting with precision-machined ports\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: This RoyalAir spacer is aimed at street and performance enthusiasts, restoration builders, and DIY mechanics who use Holley 4150\/4160 or Edelbrock-style carburetors and want a reliable, low-cost thermal spacer. It’s suitable for engines where improved throttle response, reduced carb heat soak, and a direct replacement to Canton Racing 85-154 mounting geometry are desired. If you need a straightforward, durable phenolic spacer that installs with standard hardware, this part is a practical, engine-bay-friendly upgrade.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Which carburetors is this spacer compatible with?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Fits Holley 4150\/4160 series, Edelbrock Performer-style carburetors, and other 4-bolt 4150-pattern bases.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Do I need special gaskets to install it?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: No special gaskets are usually required; use the correct carburetor and intake gaskets for a proper seal.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"RoyalAir","offers":[{"title":"Default Title","offer_id":67591412875449,"sku":"B0F144NYT9","price":62.86,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0822\/3765\/3177\/files\/royalair-front-view-carb-spacer.jpg?v=1790550150","url":"https:\/\/redleafauto.ca\/products\/royalair-1-4-phenolic-carburetor-spacer-4-hole-direct-fit-for-holley-edelbrock-heat-reducing","provider":"Redleaf Auto","version":"1.0","type":"link"}