Compatible with GM engine models: 5.3L, 5.7 LS1, 6.0 LS2, 6.2 LS3, 7.0L. 1×Harmonic Balancer Puller Crank Pulley Puller. When this harmonic balancer pullers (without threaded holes) is working on the balancer, it do not require disassembly of the radiator.
