【25264 Harmonic Balancer Puller】. 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. 【551141 Harmonic Balancer Installer 】. Fits for All GM LS And LT Series V8 Engines From 1997 To The Present (3rd, 4th,5th Generations).