COMP Cams Valve Seals 3/8 Viton Metal B 521-8

COMP Cams Valve Seals 521-8 Set of 8 Metal Body Viton Valve Seals for .500" Guide Size, 3/8" Valve Stem 521-8 - Valve Seals, 3/8 Viton Metal Body W/.500 COMP Cams Valve Seals 3/8 Viton Metal B