COMP Cams Valve Seal 5/16 Viton Metal B 519-1

COMP Cams Valve Seals 519-1 1 Metal Body Viton Valve Seal for .500" Guide Size, 5/16" Valve Stem 519-1 - Valve Seal, 5/16 Viton Metal Body W/.500 COMP Cams Valve Seal 5/16 Viton Metal B