Valve Cover

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.Installation...

Providing the best sealing properties and spring clearance, viton valve seals are an excellent choice in performance applications. The 517 seals have a .545" OD and fit applications with 11/32" valves and .500" OD guides.Installation...

Providing the best sealing properties and spring clearance, viton valve seals are an excellent choice in performance applications. The 516 seals have a .675" OD and fit applications with 5/16" valves and .530" OD guides.Installation...

Providing the best sealing properties and spring clearance, viton valve seals are an excellent choice in performance applications. The 515 seals have a .675" OD and fit applications with 3/8" valves and .530" OD guides.Installation...

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

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.Installation...

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.Installation...

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.Installation...

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.Installation...

COMP's Positive Stop PTFE valve seals offer more clearance for dual springs with better sealing than o-ring or umbrella seals. These 505 seals have a .630" outer diameter and fit applications with 3/8" valves and .530" OD valve guides.Installation...

Typically requiring no machine work, our 504 umbrella seals are a great option for stock guide applications with 3/8" valves needing a seal replacement.Installation InstructionsInstallation InstructionsApplicationsEngines w/ Stock/Unmodified 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 503 seals have a .630" outer diameter and fit applications with 11/32" valves and .530" OD valve guides.Installation...

Typically requiring no machine work, our 502 umbrella seals are a great option for stock guide applications with 11/32" valves needing a seal replacement.Installation InstructionsApplicationsEngines w/ Stock/Unmodified valve guides and 11/32" Valve...

Set of 12 O-Ring Valve Seals for Stock Guide Size, 11/32" Valve StemInstallation InstructionsInstallation InstructionsApplicationsEngines with stock/unmodified valve guides and 11/32" Valve StemsC.A.R.B. E.O. NumberN/AC.A.R.B. Exempt for California...

COMP's Positive Stop PTFE valve seals offer more clearance for dual springs with better sealing than o-ring or umbrella seals. These 500 seals have a .630" outer diameter and fit applications with 5/16" valves and .530" OD valve guides.Installation...