Part Description
1 7/8" Opening, use with all S&S and other 1 7/8" (48mm) manifolds, 1/4" (6.35mm) thick
Text excerpt from the catalog:
Insulator blocks prevent for heat transfer from cylinders and heads to the carbureted. These S&S insulator blocks are available with 17/8" and 2 1/16" opening, the mounting hole pattern has 2 1/2" (63.5mm) center to center distance, identical to the stock pattern on Tillotson, Bendix and Keihin butterfly type carburetors. Spacers come complete with o-ring.
