89mustangfive0

hey guys, i wanna do new valve stem seals in my 89gt...im running edelbrock performer heads ( 1.90I, 1.60E). what stems should i get and which material is the best? i noticed on summmits website there is teflon, viton...ect, and also which type of stem seal do i need? thanks

mjr46

viton seals are what I have used with no issues and if you have 11/32 valves than seals for that size

89mustangfive0

yea i have 11/32 and i found out its a positive stop, idk the valve guide though.there is a bunch of diffrent sizes

woodsy

"probably" .530 diameter valve guide, BUT you must check

white93pony

i have had great luck with just factory replacement felpro's from your local auto parts store...