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:...

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:...

Phenolic material is renowned for its heat insulating properties, which results in a cooler and denser fuel mixture, which in turn produces more horsepower. Includes: 1 x 1/2” Phenolic Open...