COMP Cams Valve Seals 3/8in UmBRella - 504-16

Fits: 3/8" Valve Stems - OE-Size Valve Guides (.900" Outer Diameter). Valves Seals keep unwanted oil from entering the combustion chamber through clearance in the valve guides. Normally used when a larger-than-stock diameter spring is used. Requires no...

COMP Cams Valve Seals 5/16 Viton Metal Body - 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.CatalogUser 1

COMP Cams Valve Seals 5/16 Viton Metal Body - 519-16

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.CatalogUser 1

COMP Cams Valve Seals 5/16 Viton Metal Body - 519-8

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.CatalogUser 1

COMP Cams Valve Seals 5/16 Viton Metal Body - 520-12

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 and .530" OD guides.CatalogUser 1

COMP Cams Valve Seals 5/16 Viton Metal Body - 520-16

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 and .530" OD guides.CatalogUser 1

COMP Cams Valve Seals 5/16 Viton Metal Body - 520-8

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 and .530" OD guides.CatalogUser 1

COMP Cams Valve Seals 5/16in PTFE - 500-12

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 through the clearance in the valve guides. The "O-Ring"...

COMP Cams Valve Seals 5/16in PTFE - 500-16

Fits: 5/16" Valve Stems - .530" Guides (.630" Outer Diameter)Valves Seals keep unwanted oil from entering the combustion chamber through clearance in the valve guidesSmaller diameter than COMP Umbrella Seals to allow use with double springsCatalogUser...

COMP Cams Valve Seals 5/16in PTFE W/.500 - 513-12

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 through the clearance in the valve guides. The "O-Ring"...

COMP Cams Valve Seals 5/16in PTFE W/.500 - 513-16

Fits: 5/16" Valve Stems - .500" Guides (.600" Seal Diameter)Valves Seals keep unwanted oil from entering the combustion chamber through clearance in the valve guidesSmaller diameter than COMP Umbrella Seals to allow use with double springsCatalogUser 1

COMP Cams Valve Seals Metal Body Viton - 516-12

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.CatalogUser 1