4.10 rear...Yukon axles.. Detroit locker.. hi flo cats.. black heart shorty headers... slp catted x pipe... sr performance strut tower braces sub fram connectors. Double rear caliper, slotted roters,, wildwood hydro e brake foot pedal.. bama rev x tuner,, sr twin 62 throttle body. Jlt series 3 cold air intakes.... ok.. with out getting to crazy,, what else would you suggest.. and those who drag,, any first time suggestions for the boy? I'm just a simple ol head diesel wrencher.. thank you for your time.. we hope to... opps .. I mean HE hopes to have some fun with her.. again thanks fello gear jammers..