Wilson Manifolds Open Carburetor Spacer - Holley 4150 Series - 2" Tall AA0710AF1T55 Holley engineers have designed 12-1600

Holley engineers have designed 12-1600 to feature improved hot fuel handling capabilities

1974-1979 Checker Marathon

Military Specification MIL-PRF-2105-E and MACK GO-J (GO-J PLUS)

Ranger Trim

Wilson Manifolds Open Carburetor Spacer - Holley 4150 Series - 2" Tall AA0710AF1T55 Holley engineers have designed 12-1600Wilson 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