COMP Cams Valve Seals 3/8 Viton Metal B - 521-16

Providing the best sealing properties and spring clearance, viton valve seals are an excellent choice in performance applications. The 521 seals have a .545" OD and fit applications with 3/8" valves...

Providing the best sealing properties and spring clearance, viton valve seals are an excellent choice in performance applications. The 521 seals have a .545" OD and fit applications with 3/8" valves...

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...

Providing the best sealing properties and spring clearance, viton valve seals are an excellent choice in performance applications. The 522 seals have a .575" OD and fit applications with 3/8" valves...

Providing the best sealing properties and spring clearance, viton valve seals are an excellent choice in performance applications. The 522 seals have a .575" OD and fit applications with 3/8" valves...