'93 Chevrolet C3500 SRW, 6.5 TD, 4L80 trans w/ TCC control switch, BD wastegate dashpot lever, 3" straight exhaust to single 5" stack. K&N filter w/o intake snorkle, 130 gpm water pump, turned up DB2 injection pump, 4.10's in full floating 14 bolt, 4.5" Fabtech spindle lift, and more primer than paint.