Valve Seals

Providing the best sealing properties and spring clearance, viton valve seals are an excellent choice in performance applications. The 514 seal has a .625" OD and fits applications with 3/8" valves and .500" OD guides.

COMP's Positive Stop PTFE valve seals offer more clearance for dual springs with better sealing than o-ring or umbrella seals. These 513 seals have a .600" outer diameter and fit applications with 5/16" valves and .600" OD valve guides.

COMP's Positive Stop PTFE valve seals offer more clearance for dual springs with better sealing than o-ring or umbrella seals. These 513 seals have a .600" outer diameter and fit applications with 5/16" valves and .600" OD valve guides.

COMP's Positive Stop PTFE valve seals offer more clearance for dual springs with better sealing than o-ring or umbrella seals. This 513 seal has a .600" outer diameter and fits applications with 5/16" valves and .500" OD valve guides.

COMP's Positive Stop PTFE valve seals offer more clearance for dual springs with better sealing than o-ring or umbrella seals. These 512 seals have a .600" outer diameter and fit applications with 3/8" valves and .500" OD valve guides.

COMP's Positive Stop PTFE valve seals offer more clearance for dual springs with better sealing than o-ring or umbrella seals. These 512 seals have a .600" outer diameter and fit applications with 3/8" valves and .500" OD valve guides.

Providing the best sealing properties and spring clearance, viton valve seals are an excellent choice in performance applications. The 511 seals have a .600" OD and fit LS applications with 8mm valves and .500" OD guides.This Part...

Providing the best sealing properties and spring clearance, viton valve seals are an excellent choice in performance applications. The 511 seals have a .600" OD and fit LS applications with 8mm valves and .500" OD guides.

Providing the best sealing properties and spring clearance, viton valve seals are an excellent choice in performance applications. The 511 seal has a .600" OD and fits LS applications with 8mm valves and .500" OD guides.This Part...

COMP's Positive Stop PTFE valve seals offer more clearance for dual springs with better sealing than o-ring or umbrella seals. These 510 seals have a .600" outer diameter and fit applications with 11/32" valves and .500" OD valve guides.

COMP's Positive Stop PTFE valve seals offer more clearance for dual springs with better sealing than o-ring or umbrella seals. These 510 seals have a .600" outer diameter and fit applications with 11/32" valves and .500" OD valve guides.

COMP's Positive Stop PTFE valve seals offer more clearance for dual springs with better sealing than o-ring or umbrella seals. This 510 seal has a .600" outer diameter and fits applications with 11/32" valves and .500" OD valve guides.

Providing the best sealing properties and spring clearance, viton valve seals are an excellent choice in performance applications. The 506 seals have a .610" OD and fit applications with 11/32" valves and .494" OD guides.

Providing the best sealing properties and spring clearance, viton valve seals are an excellent choice in performance applications. The 506 seal has a .610" OD and fits applications with 11/32" valves and .494" OD guides.

COMP Cams offers a complete line of valve stem seals, from the umbrella seals to the positive-stop Teflon seal. These seals are a must to keep unwanted oil from entering the combustion chamber through the clearance in the valve guides. The umbrella seal...