COMP's Positive Stop PTFE valve seals offer more clearance for dual springs with better sealing than o-ring or umbrella seals. These 503 seals have a .630" outer diameter and fit applications with 11/32" valves and .530" OD valve guides.
- Category:
- Engine Components>Valve Seals
- Core:
- N
- LTL:
- N
- MPN:
- 503-12
- Proposition 65:
- Y
- Special Order:
- Y
