Providing the best sealing properties and spring clearance, viton valve seals are an excellent choice in performance applications. The 521 seal has a .545" OD and fits applications with 3/8" valves and .500" OD guides.
- Category:
- Engine Components>Valve Seals
- Core:
- N
- LTL:
- N
- MPN:
- 521-1
- Proposition 65:
- Y
- Special Order:
- Y
