Wilson Manifolds Tapered Carburetor Spacer - Holley 4150 Series - 2" Tall - 4-Hole 747007 across the U

across the U

Chevy Caprice / Impala 1977-90

Improved higher RPM performance

Replacement microphone flex boom without mic

Wilson Manifolds Tapered Carburetor Spacer - Holley 4150 Series - 2" Tall - 4-Hole 747007 across the UWilson 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