COMP Cams Valve Seals 5/16 Viton Metalb 519-12

Providing the best sealing properties and spring clearance, viton valve seals are an excellent choice in performance applications. The 516 seals have a .545" OD and fit applications with 5/16" valves and .500" OD guides. Available individually under 519-1, in a set of 8 under 519-8, in a set of 16 under 519-16 Engines w/ 0.500" OD Valve Guides and 5/16" Valve Stems