I have the Xcharger Xtreme with a 2.6" pulley - Shaftmasters 4" aluminum driveshaft, 8.8 rear end with 3.55, HotPart LCA's and UCA, FRPP shocks and struts and the FRPP rear springs. At the track I have a set of 15 x 4 Jeg Sport Stars up front and 15x8 on the rear with M&H Racemaster 26-10.5 x 15's on them.