valve stems wtf need help
161-VS-UV5001-EO LSx Valve Stem Seals, .500 X 8mm, set of 16 (Valve Stem seals will need to be replaced when using the Comp 26921-16 Valve Springs or the Comp 26925-16/26926-16 Valve Springs.)
161-VS-UV5001-EO-8
"LSx Valve Stem Seals, .500 X 8mm, set of 8 (Valve Stem seals will need to be replaced when using the Comp 26921-16 Valve Springs or the Crane 40-144832 Valve Springs.) - Order set of 8 when using in combination with GM Exhaust seals, part number 20-12457652."


