Proform Engine Push Rod Length Checking Tool; Fits 7/16 Inch Studs For SB Chevy Engines 66790

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. Fits all 1955-1986 Chevrolet Models.

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