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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” Phenolic 4-Hole Squarebore Carburettor Spacer
- 1 x Mounting stud kit with gaskets
Suits Carburettors using Holley Squarebore Style Base
Part No TCO-6213