The LS3 58X Pro Series Wiring Harness allows seamless installation of an LS3 58X engine into any application. It supports drive by wire throttle body and electronic pedal combos. Includes a 5 circuit Bussmann Fuse box and an integrated coilpack harness. These harnesses can be installed on any LS3/truck 58x engine. From 5.3L up to 6.2L engines.
