COMP Cams - 742-1
Valve Spring Retainer - 7 Degree - 0.870 in / 0.650 in OD Steps - 1.250 in Dual Spring - Chromoly - Black Oxide - Small Block Chevy / GM V6 - Each
Precision machined from chromemoly steel then black oxided, this 7 degree retainer is designed specifically for GM engines using our 980 or 981 single valve springs.
Compatible Lock: 648-16
Diameter 1: 1.23
Diameter 2: 0.87
Diameter 3: 0.65
Lock Angle: 7
Retainer Material: 4140 Chromemoly Steel
Valve Spring Diameter: 1.25
Valve Stem Size: 11/32
Amazon ASIN: B000V9CV66
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