Compatible With Gm Engine Models: 5.3L, 5.7 LS1, 6.0 LS2, 6.2 LS3, 7.0L. Designed To Remove Harmonic Balancers Without Tapped Holes. Fit For the Following Models. Not Applicable To 1997 Or Earlier General Lt (5.7L LT1<4) Series Engines (threaded Holes).
