Head Gskt,Fire Ring,.043″ Tk All Sh 66/84 3-5/8″ Big Bore Fiber,Rpls 16770-66B C9712-1

Description

Head Gskt,Fire Ring,.043″ Tk All Sh 66/84 3-5/8″ Big Bore Fiber,Rpls 16770-66B C9712-1

• CM-20 is a perforated steel core gasket which allows heat to be drawn away from the combustion ring while dissipating heat evenly across the gasket surface
• Hot spots that lead to head gasket failure are eliminated
• CM-20’s elastomer surface provides maximum sealing characteristics and sealing around passages that carry oil
• All gaskets listed are .043 thick and feature a steel fire ring at the combustion area to help prevent blown head gaskets

Cometic
Head Gasket (Each)
3 5/8 (Big Bore)
Fits Shovelhead 1966/1984
Replaces HD# 16770-66B