Usage Tips:25264 Gm Harmonic Balancer Puller, Ls Crank Pulley Puller, Replacement Engine Quickly Removes Harmon-Excellence for GM engine models: 5.3L, 5.7 LS1, 6.0 LS2, 6.2 LS3, 7.0L , for Chrysler,Dodge,Jeep engine models: 3.5 L V6, 3.6L V6, 4.7 L V8, 5.7 L V8, 6.1 L V8. Not applicable to 1997 or earlier general LT (5.7L LT14) series engines (threaded holes), not applicable to 2018 and er Coyote balancers. The tool has sufficient weight and strength to ensure that it will not break during use. Made of special carbon steel, the surface is sprayed with anti-oxidation and corrosion paint, corrosion resistant and very durable. The tool adopts a clip-in design that offers a strong grip and can be disassembled without connecting the puller bolts to the balancer, helping remove the balancer quickly and safely, preventing sliding. 1 year warranty for it.If you have any problem ,please contact us and we will respond you on 24 hours