1x Harmonic Balancer Puller Kit. 【Benefits】When this harmonic balancer pullers (without threaded holes) is working on the balancer, it do not require disassembly of the radiator. 【Compatibility】Compatible with GM engine models: 5.3L, 5.7 LS1, 6.0 LS2, 6.2 LS3, 7.0L, compatible with Chrysler,Dodge,Jeep engine models: 3.5 L V6, 3.6L V6, 4.7 L V8, 5.7 L V8, 6.1 L V8.