This harmonic balancer installation tool is designed for use with early model Ford, Pontiac, Buick, and Oldsmobile crankshafts. Made from high quality steel material. 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. Sold individually.Proform Fits Ford/Pontiac/Buick/Olds Crankshafts 66522Specifications: Feature/Benefit Large Bearing for Smooth Installation Category Tools Material Steel Make Buick Description_ABR Damper Tool Description_SHO Balancer Installer Description_INV Harmonic Balancer Installation Tool Description_DEF Harmonic Balancer Puller Description_ASC Harmonic Balancer Installation Tool Description_ASC Fits Ford/Pontiac/Buick/Olds Crankshafts Description_LAB HARM BALANCER INSTALL TOOL Description_DES Harmonic Balancer Installation Tool Description_DES Fits Ford/Pontiac/Buick/Olds Crankshafts Description_EXT Harmonic Balancer Installation Tool Description_EXT Fits Ford/Pontiac/Buick/Oldsmobile Cranks Description_EXT Made from Quality Steel Description_EXT Makes Installing The Balancer Simple Description_EXT Ball Bearing Included Description_EXT Sold Each Description_MKT This harmonic balancer installation tool is designed for use with early model Ford, Pontiac, Buick, and Oldsmobile crankshafts. Made from high quality steel material. 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. Sold individually.