2000 gmc, 5.3, 220/224 comp cam,918 springs&harden push rods,long tubes,polish throttle body, 39lbs injectors,msd inline fuel pump,msd spark plug wires, 150shot, 3500 tci,servo,3.90w/eaton posi,m&h drag tires, tune by flaco,still need to re tune for fuel upgrade.