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 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...

COMP Cams Acrylic Buret Plate 1/4in - 4993

This plexiglass sealing plate replaces the sealing plate that comes with our 4974, 4970 and 4975 cylinder cc kits.CatalogUser 1

COMP Cams Glass Buret 100Cc X .2Cc - 4991

This 100cc glass buret replaces the buret that comes with our 4974 100cc professional head cc kit. With a capacity of 100cc and increments of .2cc, this buret is perfect for precise measurement of...

COMP Cams Economy Head Cc Kit - 4975

With a 1/4" acrylic buret plate and a 100cc flask measured in 1cc incremements, this cc kit gives you the ability to meaure cylinder head combustion chamber volume for an economical price.CatalogUser...