Product Descriptions: 1. Wide Application: Harmonic Balancer Installation Tool compatible with all GM LS & LT series engines 1997-current (Gen 3, 4, & 5), except 1992-1997 Gen 2 LT1 5.7 Engines. Fit for Camaro, Corvette, Trans Am, GTO, G8, LS Truck or LS Power Road Signs. 2. Proper Alignment: Ensure that the harmonic balancer is correctly aligned with the crankshaft. Reduce wear and vibration on engine components; allow for precise positioning during installation. 3. Leverage Contral: The tool disperses force evenly across the balancer, allowing user to apply necessary force in a controlled manner without damaging balancer or crankshaft. .