COMP Cams Valve Seal 5/16 Viton Metal B - 520-1

Providing the best sealing properties and spring clearance, viton valve seals are an excellent choice in performance applications. The 519 seal has a .545" OD and fits applications with 5/16" valves...

Providing the best sealing properties and spring clearance, viton valve seals are an excellent choice in performance applications. The 520 seals have a .575" OD and fit applications with 5/16" valves...

Providing the best sealing properties and spring clearance, viton valve seals are an excellent choice in performance applications. The 520 seals have a .575" OD and fit applications with 5/16" valves...

Providing the best sealing properties and spring clearance, viton valve seals are an excellent choice in performance applications. The 520 seals have a .575" OD and fit applications with 5/16" 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...