COMP Cams - 4737-1
Valve Spring Shim - 1.437" OD, .645" ID .015" Thickness
Ensure the equal installed height of all of your valve springs with this 1.437" outer diameter, .015" thick, heat-treated spring shim.
Inner Diameter: 0.645
Outer Diameter: 1.437
Shim Thickness: 0.015
Amazon ASIN: B001G8MZHG
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