Crank Pulley Installer For LS Harmonic Balancer Puller with Thrust Bearing | Compatible with GM 1997-Up LS1 LS V8 Engines Crankshaft Installation. 【Application】This harmonic balancer installer compatible with all GM Chevy Silverado LS & LT series V8 engines 1998-current (Gen 3, 4, & 5 small block checy).