Description
COMP’s Positive Stop PTFE valve seals offer more clearance for dual springs with better sealing than o-ring or umbrella seals. This 503 seal has a .630″ outer diameter and fits applications with 11/32″ valves and .530″ OD valve guides.
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This Comp Cams Ptfe Valve Seal – 11/32″ Stem Diameter is a curated choice in our Valve Seals line, providing both quality and value.
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