Providing the best sealing properties and spring clearance, viton valve seals are an excellent choice in performance applications. The 520 seal has a .575" OD and fits applications with 5/16" valves and .530" OD guides.
- Engine Components>Valve Seals
- EPA:N/A
- LTL:N
- MPN:520-1
- Non-CARB:N
- Prop65:Y
- SpecialOrder:Y