Engine Roller Rocker Arm Set 1.6 Ratio 3/8 Stud Extruded Type Fits SB Chevy Clamshell Pack Proform Scale The new PROFORM on-head valve

The new PROFORM on-head valve spring tester features a digital gauge and an adjustable base to fit all common aluminum rocker lengths and offsets

locks and retainer

and each PROFORM micrometer comes in a handy and durable carrying case

Also Includes New Curve Kit With Springs And Weights

Engine Timing Gear Drive Kit

Engine Roller Rocker Arm Set 1.6 Ratio 3/8 Stud Extruded Type Fits SB Chevy Clamshell Pack Proform Scale The new PROFORM on-head valveRid 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