Description
COMP Cams 513-16 – Valve Seals 5/16in PTFE W/.500
Valve Stem Seal – Positive Stop – 5/16 in Valve Stem – 0.500 in Guide – PTFE – Set of 16
COMP’s Positive Stop PTFE valve seals offer more clearance for dual springs with better sealing than o-ring or umbrella seals. These 513 seals have a .600″ outer diameter and fit applications with 5/16″ valves and .600″ OD valve guides.
- 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 guides
- Smaller diameter than COMP Umbrella Seals to allow use with double springs
Seal Outer Diameter: 0.6Valve Guide Outer Diameter: 0.5Valve Seal Type: Positive Stop PTFEValve Stem Outer Diameter: 5/16Amazon ASIN: B002EE09H4C.A.R.B. Exempt for Racing and Off-Road Only Vehicles?: Yes, but must be a race/competition only vehicle.C.A.R.B. Exempt for Federally Certified Vehicles Manufactured Before 1967?: Yes, but must meet tailpipe emission standards for year of vehicle.C.A.R.B. Exempt for California Certified Vehicles Manufactured Before 1965?: Yes, but must meet tailpipe emission standards for year of vehicle.C.A.R.B. Exempt for Foreign Vehicles Manufactured Before 1967?: Yes, but must meet tailpipe emission standards for year of vehicle.C.A.R.B. Exempt for On-Road Vehicles?: YesC.A.R.B. Exemption Reason: No impact on pollution output of vehicle.C.A.R.B. E.O. Number: N/A
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