Seller notes

Specially designed for drag race applications to isolate carburetor from manifold, spacers prevent horsepower-robbing heat transfer and increase the distance from the bottom of the carburetor to the manifold plenum for better air flow. Spacers are made polymer / phenolic compound able to withstand temperatures up to 400°F. Available in open 4500 series Holley and Holley style carburetors in 1" thicknesses. Not intended or recommended for street or circle track use.Kit Includes:(1) Spacer 1" Tal...

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