Features and Benefits: * For GM 3300 and 3800 V6 cylinder engines. * Removing the harmonic balancer on late model 3300 and 3800 V6 GMs requires pulling hardware much different than conventional pullers. * The 45300 is equipped with the special bolts and adapters to pull the harmonic balancer cleanly without damage to the crank sensor. * Order the 45350 retrofit kit to use with your Lisle 45500 harmonic balance puller. Includes: * 45300 harmonic balancer puller for GM * 45310 shoulder bolt * 45320 adapter * 45510 body * 45530 puller screw