COMP Cams Valve Seal Metal Body Viton 5 - 516-1

Providing the best sealing properties and spring clearance, viton valve seals are an excellent choice in performance applications. The 516 seal has a .675" OD and fits applications with 5/16" valves...

COMP Cams Valve Seal Viton GM LS1 .313 - 511-1

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...

COMP Cams Valve Seal Viton GM LS1 .313 - 511-12

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...

COMP Cams Valve Seal Viton GM LS1 .313 - 511-16

COMP Cams offers a complete line of valve stem Seals, from the stock GM "O-Ring" to the positive-stop PTFE Seal. These Seals are a must to keep unwanted oil from entering the combustion chamber...

COMP Cams Valve Seal Viton Metal Body W - 518-1

Providing the best sealing properties and spring clearance, viton valve seals are an excellent choice in performance applications. The 518 seal has a .575" OD and fits applications with 11/32" valves...

COMP Cams Valve Seals 11/32 Viton Metal Body - 518-16

Providing the best sealing properties and spring clearance, viton valve seals are an excellent choice in performance applications. The 518 seals have a .575" OD and fit applications with 11/32"...

COMP Cams Valve Seals 11/32 Viton Metal Body - 518-8

Providing the best sealing properties and spring clearance, viton valve seals are an excellent choice in performance applications. The 518 seals have a .575" OD and fit applications with 11/32"...

COMP Cams Valve Seals 11/32-.530 Metal - 529-16

COMP Cams offers a complete line of valve stem Seals, from the stock GM O-Ring to the positive-stop PTFE Seal. These Seals are a must to keep unwanted oil from entering the combustion chamber through...

COMP Cams Valve Seals 11/32in Metal W/Pt - 503-12

COMP Cams offers a complete line of valve stem Seals, from the stock GM "O-Ring" to the positive-stop PTFE Seal. These Seals are a must to keep unwanted oil from entering the combustion chamber...

COMP Cams Valve Seals 11/32in O Ring - 501-12

COMP Cams offers a complete line of valve stem Seals, from the stock GM "O-Ring" to the positive-stop PTFE Seal. These Seals are a must to keep unwanted oil from entering the combustion chamber...

COMP Cams Valve Seals 11/32in O Ring - 501-16

Fits: 11/32" Valve Stems / OE-Size Valve Guides (.400" Outer Diameter). Valves Seals keep unwanted oil from entering the combustion chamber through clearance in the valve guides. Use standard o-ring...

COMP Cams Valve Seals 11/32in O Ring - 501-8

COMP Cams offers a complete line of valve stem Seals, from the stock GM "O-Ring" to the positive-stop PTFE Seal. These Seals are a must to keep unwanted oil from entering the combustion chamber...