This is a 1/2" phenolic carb insulator that helps prevent carburetor boiling or heat soak.  This has a bore of 1.700" and a bolt hole distance of 2-11/16" center to center and will fit different models or carbs.  Any questions please email us at Dashman's Hot Rod & Speed Parts.

Includes free sticker!!

If you don't see it just ask, we probably have it, or will custom make it to your needs.