Offenhauser 6175 Holley/AFB Carburetor Riser

Description

Engineered to raise the Holley standard bore and AFB carbs on applications where a Hi Rise action can be advantageous to better gas flow.  This spacer is especially suited for the roundy-round cars when there is one inch limit on carb risers.  Complete with extra long studs, washers, and nuts.  Hole for vacuum takeoff is provided.