Proform Parts Roller Rocker Arms Chevy Big Block V8 1.7 Ratio; 7/16" Stud Proform 66913

Rid your engine of internal friction with roller-tipped rocker arms. The race-proven full cage bearing, fulcrum and roller tip not only unleash horsepower, they also lengthen valve train component life and reduce wear and tear on valve stem tips. Precision machined to insure consistency and ratio accuracy. Each rocker arm has a laser etched PROFORM “P” logo. 16 anodized aluminum roller rockers and 16 poly locks are included in the kit.
Features:

1.7 Ratio 7/16 Stud

Anodized Aluminum with Full Cage Bearing Trunnions

Use with a Max Spring Diam. of 1.500 Inches

Blue Anodized Finish with Laser-Etched "P" Emblem

Poly Locks Included

Sold as One Set of 16 Pieces