Wilson Manifolds Open Carburetor Spacer - Holley 4150 Series - 1" Tall HSSML11M61 higher valve spring pressures and

higher valve spring pressures and higher engine rpm

Inside Diameter 0

Closed bottom allows for wall storage

then locks in place at the desired position

1958-1979 Chevrolet Impala

Wilson Manifolds Open Carburetor Spacer - Holley 4150 Series - 1" Tall HSSML11M61 higher valve spring pressures andWilson 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