Proform Engine Push Rod Length Checking Tool; Fits 7/16 Inch Studs For BB Chevy Engines 66806

Proper push rod length is absolutely critical for peak performance - minimizing bent or broken valve stems, guide wear, and energy-wasting valve side-loading friction.

Engine Push Rod Length Checking Tool | Mock-Up Rocker Arm only | Fits 7/16 Inch Studs for Big Block Chevy Engines | Made From High-Quality Molded Plastic | Blue Finish | Sold Each