Phenolic material is renowned for it’s heat insulating properties, which results in a cooler and denser fuel mixture, which in turn produces more horsepower.
Suitable for Holley Squarebore Carburettors.
Includes:
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1 x 2” Thick Phenolic 4-Hole Squarebore Carburettor Spacer
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1 x Mounting stud and washer kit
Carby spacer suits Carburettors using Holley Squarebore Style Base
