Fits all Ford, GM, and Chrysler engines with the adapter/shaft thread sizes listed below. This heavy-duty, professional tool, equipped with roller thrust bearings, can also be used as a universal puller! In addition to the 3/4 x 16 shaft, the kit includes 7/16 x 20, 5/8 x 18, 1/2 x 20 adapters, and various removal hardware. May also be used for steering wheel and pulley installation and removal. Maximum recommended torque is 150 ft. lbs.Proform Incl. 7/16 x 20, 5/8 x 18, and 1/2 x 20 Adapters/Shaft and Hardware 66514Specifications: Feature/Benefit Works with all Ford, GM, and Chrysler engines. Applications GM, Ford and Chrysler Engines Category Harm. Balancer Tools Make Universal Description_ABR Damper Tool Description_SHO Harm. Balancer Tools Description_INV Harmonic Balancer Installer/Puller Tool Description_DEF Harmonic Balancer Puller Description_ASC Harmonic Balancer Installer/Puller Tool Description_ASC Fits All GM Description_LAB Harmonic Balancer Installer/Puller Tool Description_LAB Fits All GM Description_DES Harmonic Balancer Installer/Puller Tool Description_DES Fits All GM Description_EXT Harmonic Balancer Installer and Puller Tool Description_EXT Fits GM, Ford and Chrysler Engines Description_EXT Heavy-Duty Model Equipped with Roller Thrust Bearings Description_EXT Can Be Used as a Universal Puller Description_EXT Incl. 7/16 x 20, 5/8 x 18, and 1/2 x 20 Adapters/Shaft and Hardware Description_MKT Fits all Ford, GM, and Chrysler engines with the adapter/shaft thread sizes listed below. This heavy-duty, professional tool, equipped with roller thrust bearings, can also be used as a universal puller! In addition to the 3/4 x 16 shaft, the kit includes 7/16 x 20, 5/8 x 18, 1/2 x 20 adapters, and various removal hardware. May also be used for steering wheel and pulley installation and removal. Maximum recommended torque is 150 ft. lbs.