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Phenolic material is renowned for its heat insulating properties, which results in a cooler and denser fuel mixture, which in turn produces more horsepower.
- 1 x 1/2” Phenolic 4-Hole Squarebore Carburettor Spacer
- 1 x Mounting stud kit with gaskets
Carby spacer suits Carburettors using Holley Squarebore Style Base