COMP Cams Valve Seals 11/32in PTFE W/.50 510-12

COMP Cams Valve Seals 510-12 Set of 12 PTFE Valve Seals for .500" Guide Size, 11/32" Valve Stem 510-12 - Valve Seals, 11/32" PTFE W/.50 0" Guide COMP Cams Valve Seals 11/32in PTFE W/.50