and Performance Parts and Accessories
67160 - Proform 4 Piece Trackside Carburetor Spacer Kit
Easily optimize the flow rates of air and fuel in your car with this modular 1" carb spacer set!
Since various engine combinations have different fuel and air delivery requirements for maximum performance, each spacer set comes with one frame and three popular inserts: open, 4-hole, and tapered 4-hole.
This way, you can dial in exactly the right flow to get the most from your engine.