Proform 1977 Chevy G20 Parts

Rocker Arm Style:

Roller

Rocker Arm Ratio:

1.5:1

Stud Size:

.375"

Material Type:

Aluminum

Finish:

Anodized

Thread Pitch:

7/16

Material Type:

Aluminum

Finish:

Anodized

Thread Pitch:

3/8