10 Superlock Steel Retainer For 1.437"-1.500" OD Valve Spring

Attributes GTIN: 00036584200024 Brand Name: COMP Cams Valve Spring Diameter: 1.437-1.500 Valve Stem Size: All Amazon ASIN: B000V9HYGS 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 Compatible Lock: 638-1 Diameter 1: 1.4 Diameter 2: 1.06 Diameter 3: 0.69 Lock Angle: 10 Retainer Material: 4140 Chromemoly