Engine Roller Rocker Arm Set 1.6 Ratio 3/8 Stud Self Aligning Fits SB Chevy Clamshell Pack Proform Telescoping Gauge Tool Simply install the height micrometer

Simply install the height micrometer instead of a valve spring

On-Head Model

Includes a Bushing To Properly Pressurize The Valve Train

This affordable tool weighs just under 2 pounds

Engine Roller Rocker Arm Set 1.6 Ratio 3/8 Stud Self Aligning Fits SB Chevy Clamshell Pack Proform Telescoping Gauge Tool Simply install the height micrometerFits Chevy small block engines with center hold down valve covers. Rid 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.