Works on allRWD/4WD/AWD LS engines. LS1,LS2,LS3,LS6 ,LS7 LSX, LQ4 ,LQ4,L99 and LSA. 1x FLYWHEEL HOLDING LOCKING TOOL. Also works great when installing a new flexplate or flywheel. This will work with all LS Engine (Compatible with all GM gen III, IV, and V engines).