Valve Seals

Providing the best sealing properties and spring clearance, viton valve seals are an excellent choice in performance applications. The 506 seals have a .610" OD and fit applications with 11/32" valves and .494" OD guides.

Providing the best sealing properties and spring clearance, viton valve seals are an excellent choice in performance applications. The 506 seal has a .610" OD and fits applications with 11/32" valves and .494" OD 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.

COMP Cams offers a complete line of valve stem seals, from the umbrella seals to the positive-stop Teflon seal. These seals are a must to keep unwanted oil from entering the combustion chamber through the clearance in the valve guides. The umbrella seal...

COMP's Positive Stop PTFE valve seals offer more clearance for dual springs with better sealing than o-ring or umbrella seals. This 503 seal has a .630" outer diameter and fits applications with 11/32" valves and .530" OD valve guides.

COMP Cams offers a complete line of valve stem seals, from the umbrella seals to the positive-stop Teflon seal. These seals are a must to keep unwanted oil from entering the combustion chamber through the clearance in the valve guides. The umbrella seal...

Available individually under 501-1, in a set of 12 under 501-12, in a set of 16 under 501-16

Available individually under 501-1, in a set of 8 under 501-8, in a set of 12 under 501-12

Available individually under , in a set of 8 under, in a set of 16 under

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 camshaft. This increased oiling significantly reduces...

GSC P-D Subaru EJ Series Viton 6mm Valve Stem Seal SetThis Part Fits:YearMakeModelSubmodel2005Saab9-2XAero2009-2010SubaruImpreza2.5 GT2006-2011SubaruImpreza2.5i2010-2011SubaruImpreza2.5i...

GSC P-D Honda B, K, & H Series Viton 5.5mm Valve Stem Seal SetThis Part Fits:YearMakeModelSubmodel2013-2015AcuraILXBase1990-1993,1997-2001AcuraIntegraGS1992-2001AcuraIntegraGS-R1990-2001AcuraIntegraLS1990-1998AcuraIntegraRS1995-1996AcuraIntegraSpecial...