COMP Cams Valve Seals 3/8 Viton Metal B 521-12

COMP Cams Valve Seals 521-12 Set of 12 Metal Body Viton Valve Seals for .500" Guide Size, 3/8" Valve Stem 521-12 - Valve Seals, 3/8 Viton Metal Body W/.500 COMP Cams Valve Seals 3/8 Viton Metal B