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7/16 Inch Diameter Mounting hole
For Proform Starter Part Number 66256
Pump Body Has Black Powdercoat Finish and Motor Has Black Finish
For Big Block Chevy Engines
Fits All Chevy V8 Engines With 168 Tooth Flywheel
Engine Roller Rocker Arm Set 1.5 Ratio 7/16 Stud Extruded Type Fits SB Chevy Clamshell Pack Proform Engine Valve Stem Oil Seal Tool 7/16 Inch Diameter Mounting holeRid 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. 5 Ratio With 7 16 Inch
