COMP Cams Valve Seals 3/8in PTFE W/.500 - 512-16

Fits: 3/8" Valve Stems - .500" Guides (.600" Seal Diameter). Valves Seals keep unwanted oil from entering the combustion chamber through clearance in the valve guides. Smaller diameter than COMP...

COMP Cams Valve Seals 3/8in PTFE W/.500in - 512-12

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 Seal 3/8in PTFE W/.500in - 512-1

Fits: 3/8" 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...

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 Seals 11/32in PTFE W/.50 - 510-16

Fits: 11/32" 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...

COMP Cams Valve Seals 11/32in PTFE W/.50 - 510-12

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 Seal 11/32in PTFE W/.500 - 510-1

Fits: 11/32" 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...

COMP Cams Valve Seals 3/8in Metal W/PTFE - 505-12

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 Grooving Tool Lifter Bore - 5011

Developed by one of the top NASCAR engine builders, this innovative tool precisely grooves the lifter bore to ensure the pressure fed oil is directly injected into the contact area between lifter and...

COMP Cams Grooving Tool Lifter Bore - 5010

Developed by one of the top NASCAR engine builders, this innovative tool precisely grooves the lifter bore to ensure the pressure fed oil is directly injected into the contact area between lifter and...

COMP Cams Grooving Tool .904 Diameter - 5007

Developed by one of the top NASCAR engine builders, this innovative tool precisely grooves the lifter bore to ensure the pressure fed oil is directly injected into the contact area between lifter and...

COMP Cams Grooving Tool .874 Diameter - 5005

Developed by one of the top NASCAR engine builders, this innovative tool precisely grooves the lifter bore to ensure the pressure fed oil is directly injected into the contact area between lifter and...