Truck has original drivetrain, but many mods:Shorty headers, Bassani Y-pipe with Cat -deleted, Cherry Bomb Turbo muffler. K&N panel filter into a gasket matched & ported upper and lower intake manifolds. 1.6 Roller rockers, underdrive pulleys, smog equipment & E-brake removed. MSD 6AL and MSD Coil, 12 degrees base timing on the ignition side of things, and a Motorsport Windage tray inside. 210K, and this thing still runs srtong, pulls hard all the way to the redline. Full synthetic fluids throughout vehicle.