Compatible with SBC small block and big Block Chevy crankshafts.
Function: This tool makes installing the harmonic balancer simple and easy, Just thread the proper end into the crankshaft and rotate the nut pressing the bearing against the harmonic balancer
Made of high quality grade heat-treat heavy duty steel, galvanized steel nuts and aluminum washers, durability, anti-corrosion and anti-rust. High hardness to provide a much longer service life.