Proform 67160C trackside carb spacer kit. 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. Great for tuning for specific tracks or air quality conditions. Lightweight heat-resistant phenolic.
Easy to install. Simply mounts between the intake manifold and the carburetor.
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