Harland Sharp Oldsmobile V8 7/16" Stud Mount Roller Rocker Arms, 1.6 Ratio, Aluminum For Bulldog Oldsmobile Heads

Specs:
Rocker Arm Mounting Style: Stud
Self-Aligning: No
Rocker Arm Ratio: 1.6
Stud Size: 7/16 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: Sold as a set of 16.
Notes: Designed to work with Bulldog Oldsmobile heads. If using factory-style head, pushrod holes must be enlarged to 9/16 in., studs must be drilled and tapped to 7/16 in. threads, and head must be machined to accept guideplates.

Fits:
Bulldog Oldsmobile Heads