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When upgrading your LS-powered vehicle, don't forget to replace the factory steam tubes. Our Summit Racing™ Pro LS steam line plumbing kits eradicate trapped air and steam pockets from your engine to prevent hot spotting and overheating as well as provide more flexibility when using aftermarket intakes. Kits vent all 4-corners (except SUM-220952 and SUM-220952B kits) and contain black anodized billet aluminum fittings, steam port adapter, O-rings, stainless steel bolts, -3AN or -4AN hose and hose ends, (stainless steel hard lines and 5-port distribution block on SUM-220959 kit only) to make installation easy and more attractive than OEM lines, offering a cleaner look and better waterflow.
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$74.99
On Sale
Stock intake manifolds in electronic fuel injection vehicles often fall short of lasting for the life of the vehicle. Being molded from polymers they tend to warp or crack and start leaking vacuum or coolant over the years. Summit Racing™ Premium EFI intakes are just what you need when it's time to replace your manifold as our design improvements address the failures that occur with existing manifolds for this application on the market today. These units are made to fit your specific vehicle and come complete with the necessary hardware for an easy OE type installation. Make this the last manifold you ever buy for your car or truck. Check out these features and benefits below: • Made in USA by OE Tier 1 Supplier • Aluminum crossover design improvement to mount direct to the cylinder head eliminating coolant exposure and eventual failure at the plastic interface of existing manifolds on the market. • High grade coolant resistant material used in coolant fitting and block out locations to coolant system. All coolant exposure areas are addressed with appropriate material. • Heat staked inserts for coil mounting. • Includes alternator brackets, throttle body adapter (application specific), thermostat, gaskets or O-ring seals, and mounting hardware.
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$109.99
Trick Flow® EFI heat spacer kits help you fit your spacer between the upper and lower intakes to create a heat flow barrier. That keeps the air in the upper intake cooler and denser. Plus, these CNC-machined phenolic spacers provide clearance for taller valve covers. They're available in 3/8 in. and 1 in. thick versions and include gaskets and longer mounting bolts.
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$94.99
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$99.99
On Sale
These special Grade 8 intake manifold bolts from Mr. Gasket feature a 12-point smaller-than-standard head and flange, and include special extra thick flat washers for optimum clamping pressures. They're ideal for use where space is minimal, typical on larger runnered race manifolds. These bolts and washers are bright zinc plated for protection and good looks.
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$55.65
FAST LSXR intake manifold runners will restore proper airflow to your intake for the performance you crave. These replacements are available in three sizes: Standard Street, High HP, or Race versions. The manifolds are designed to give you the ability to remove individual runners from the manifold for modification. FAST LSXR runners are yet another reason the LSXR intake is the only choice for your GM LS3/L99/L76 engines. Order the model recommended for your year/make and engine application.
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$86.95
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$88.95
On Sale
Get connected with Holley EFI Coyote throttle body adapters! These adapter plates have a cast aluminum construction that's more durable for boosted applications, can be welded for modifications, and they are available in your choice of natural or black finishes. Choose the model for your application. Whether you're engine swapping your classic car or need to manage 4000 horsepower in your twin-turbocharged drag radial race car, Holley EFI has the solutions you need to get your project up and running better than ever!
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$179.95
$98.95
Ford Performance intake plenum spacer kits are CNC-machined from Westinghouse Type C phenolic material. These spacers fit between the upper and lower intake manifold to help dissipate heat and significantly increase performance. Mounting hardware is included. They are available to fit stock pushrod 5.0L Mustang GTs and for Ford Performance Cobra intake manifolds.
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$77.99
BBK spacers are designed to lower air and fuel temperatures significantly by reducing the heat transfer from the lower manifold to the upper manifold. The spacers are made of durable phenolic resin and are CNC-machined to ensure a perfect fit. Each spacer comes with gaskets and bolts as needed.
( 6 )
$109.99
On Sale
Holley offers intake manifold hardware kits for a variety of Chevrolet engine applications from 1997 and up. The installation hardware is available in a silver or black finish.
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$82.25
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