Trackside Carburettor Spacer Kit
Kit Contains Frame and 3 Popular Inserts

Easily optimize your flow rates with the new PROFORM modular 1" carb spacer kit! Each kit comes with one frame and 3 popular inserts: open, 4-hole, and tapered 4-hole. Various engine combinations have various fuel and air distribution requirements for maximum performance. Lightweight heat-resistant phenolic. Made in the U.S.A.