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:
1 x 1” Phenolic Open Squarebore Carburettor Spacer
1 x Mounting stud and washer kit
Suits Carburettors using Holley Squarebore Style Base
