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.
Recommended Retail Prices excluding sales tax.
Prices exclude shipping, import duties and installation.
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