Wilson Manifolds Tapered Carburetor Spacer - Holley 390 CFM (1.55" Bore) Spacer - 1" Tall - 4-Hole R030015S 1955-1957 Chevrolet Sedan Delivery

1955-1957 Chevrolet Sedan Delivery

1972-1977 Pontiac Firebird CID 350

Race / Pro Street

Reduces Backpressure

1970-1974 Stutz Blackhawk

Wilson Manifolds Tapered Carburetor Spacer - Holley 390 CFM (1.55" Bore) Spacer - 1" Tall - 4-Hole R030015S 1955-1957 Chevrolet Sedan DeliveryWilson Manifolds' Carburetor Spacers have been used by more pole, race, and championship winning teams than any other brand in the world. Our Spacers have been developed through years of testing with the top race teams in nearly all forms of motorsports. Wilson Manifolds offers the largest selection of spacer designs and heights in the industry. This assures that we have a spacer design for virtually all classes of racing that will provide optimum