GESSLER HEAD PORTING, Quadrajet and Buick Parts - hide BUICK PARTS - GHP-7190 Buick Performance Parts / Q-Jet parts

+ Large Image	GHP-7190	High Temperature Viton Positive Valve stem seals. Viton seals have one of the highest temperature ratings, higher than teflon, nylon and nitrile. These seals can be used on both intake and exhaust valves. These seals used on drag and street applications. Stock valve guide boss needs to be machined to accept valve seal. Small OD of seal helpful when used with dual valve springs.


	Guide boss diameter:	.500"
	Valve stem diameter:	3/8"
	Valve seal material:	Viton
	Valve seal style:	Positive