If you are using a spring any larger than 1.450 with a 3/8 rocker stud, Harland Sharp recommends our "Heavy Duty" 3/8 series roller rockers. Part # CSP-SH1002
Specs:
Rocker Arm Mounting Style: Stud
Self-Aligning: No
Rocker Arm Ratio: 1.5/1.6
Stud Size: 3/8 in.
Maximum Spring Diameter (in.): 1.450 in.
Rocker Arm Style: Full roller
Shims Included: No
Rocker Arm Material: Aluminum
Rocker Arm Body Style: Standard
Rocker Arm Fasteners Included: Yes
Rocker Arm Nut Style: Polylock
Rocker Arm Finish: Orange anodized
Quantity: Set of 16
Special Features:
Clears 1.450 Springs & Retainers
Fits Center bolt Valve Covers
Fitment:
1955-1987 262-400 Small Block Chevy V8
1988-1992 262-400 Small Block Chevy V8 (Center bolt valve covers)
1992-1999 305-350 Vortec Small Block Chevy V8 (LT1)