COMP's Positive Stop PTFE valve seals offer more clearance for dual springs with better sealing than o-ring or umbrella seals. These 500 seals have a .630" outer diameter and fit applications with 5/16" valves and .530" OD valve guides.
- Engine Components>Valve Seals
- EPA:N/A
- LTL:N
- MPN:500-12
- Non-CARB:N
- Prop65:Y
- SpecialOrder:Y
