COMP Cams - 512-16
Valve Stem Seal - Positive Stop - 3/8 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 512 seals have a .600" outer diameter and fit applications with 3/8" valves and .500" OD valve guides.
Valve Guide Outer Diameter: 0.5
Valve Seal Type: Positive Stop PTFE
Valve Stem Outer Diameter: 3/8
Seal Outer Diameter: 0.6
Amazon ASIN: B002EE0D1Q
C.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?: Yes
C.A.R.B. Exemption Reason: No impact on pollution output of vehicle.
C.A.R.B. E.O. Number: N/A
