Specs:
Rocker Arm Mounting Style: Stud
Self-Aligning: No
Rocker Arm Ratio: 1.75
Stud Size: 7/16"
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 12.
Fits:
1962 to 1984 194,230,250,292 Inline 6 Chevy
1962 to 1984 153 Chevy Inline 4 Cylinder