Engine Roller Rocker Arm Set 1.6 Ratio 7/16 Stud Extruded Type Fits SB Chevy Clamshell Pack Proform Spark Plug Indexing Tool It has a 1-Piece OEM

It has a 1-Piece OEM Design and made from Quality Die-Cast Aluminum with a Plain

lubricated

Engine Valve Cover One-Piece Holdown Clamps With Wire Looms

Made in USA

Compatible with your stock pump and mechanical pump P/N 66227

Engine Roller Rocker Arm Set 1.6 Ratio 7/16 Stud Extruded Type Fits SB Chevy Clamshell Pack Proform Spark Plug Indexing Tool It has a 1-Piece OEMRid 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 7 16 Inch