HOLLEY EFI 550-1420 Terminator X sku-868825849 090127088043

HOLLEY EFI 550-1420, sku-868825849, is a Terminator X Max kit listed under Performance Computer Tuning. It provides plug-and-play control for non-VVT Chrysler GEN III Hemi engines from 2003-2006, including 5.7L, 6.1L and 6.4L engines using a factory drive-by-wire throttle body. It is compatible with Holley EFI analog gauges, shift lights, modules, and 6.86-inch and 12.3-inch Pro Dash displays.

An EV1 injector harness is included. Its high-impedance injector drivers support Holley EFI and most stock injectors, but not low-impedance injectors; the instructions contain a support chart. The kit includes Bosch LSU 4.9 wideband O2 sensors, a built-in 1bar MAP sensor, and a terminated connector for an external MAP sensor if the internal sensor is disabled for a boosted application.

Vacuum hose adapters come in 1/8-inch, 1/4-inch and 3/16-inch sizes. Its 4 inputs accept 12v, ground, 5v and frequency signals for uses such as pressure sensors, activation triggers, nitrous activation and a trans brake. Boost control can be set against time, gear, RPM or speed and includes safeties.

Nitrous control supports wet or dry systems, progressive or non-progressive operation, rich/lean safeties and a closed-loop target AFR. Advanced tables include 4x 1D tables, 1x 1D gear table, 4x 2D table and 1x 2D gear tables. On-board diagnostic LEDs indicate ECU power, engine run, TPS calibration and cam signal, among other parameters.

The included 3.5-inch touchscreen handheld has internal data logging, a custom gauge display and a calibration wizard for building base tunes for domestic V8 engines. The ECU measures 7.45 x 4.1 x 1.66 inches; install it with the diagnostic LEDs facing up. Free EFI tuning software is included. UPC: 090127088043.