Engine Roller Rocker Arm Set 1.6 Ratio 3/8 Stud Extruded Type Fits SB Chevy Proform Socket Set Uses a Drill and a

Uses a Drill and a 5/16 Inch Drill Bit - Not Included - To Elongate Pushrod Slots

Includes 4 Pads 15 Inches Long X 15 Inches Wide X 1-5/16 Inches High

The digital gauge includes 5 lb - or 2 kg - increments with peak hold and backlighting features

800 inch with heat-treated

375 Inch Harmonic Balancer Width

Engine Roller Rocker Arm Set 1.6 Ratio 3/8 Stud Extruded Type Fits SB Chevy Proform Socket Set Uses a Drill and aRid your engine of internal friction with roller tipped rocker arms. The race proven full needle 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. 16 extruded aluminum roller rockers and 16 poly locks. Sold as one set. Product Details: Engine Roller Rocker Arm Set 1. 6 Ratio With 3 8 Inch