The Haltech Nexus Rebel LS (Gen IV kit) is a mid-range plug-in engine control unit (ECU) from Haltech. It has 8 injector and 8 ignition outputs, 1 drive-by-wire throttle channel, 1 onboard wideband lambda input and knock control. List price is US$1,695. One seller lists it at US$1,695.
Prices checked . Specs from Haltech's published data.


Key specs
DBW = drive-by-wire throttle channels · λ wideband = onboard wideband lambda (oxygen sensor) inputs · CAN = controller area network buses.
Features
- ✓Drive-by-wire
- ✓Onboard wideband
- ✓Knock control
- ✓Flex fuel
- ✓Traction control
- ✓Launch control
- ✓Boost control
- ✓Gearbox control
- ✓Onboard logging
- ✕Ethernet
- ✓USB
- ✕Built-in display
✓ published · ✕ not offered · ? not published. Some features, like traction control and launch control, mean different things by brand. See the glossary.
Details
- Highlights
- Fits: GM LS Gen IV V8 (drive-by-wire) engine swaps. ECU plus terminated harness for engine swaps, not a factory-ECU replacement. Kit includes the 6-pin DBW adaptor and a Corvette pedal adaptor. High-impedance injectors only (EV6 injector sub-harness included). Includes a T56 transmission sub-harness, Gen IV oil pressure and MAP sensor adaptors, LSU 4.9 wideband sensor and air temperature sensor. The CAN bus works with Haltech CAN devices only.
- Part number
- HT-220204
- Software
- ESP (free)
- Logging
- 32MB onboard
- Links
- Product page ↗
- Fits
- LS swap
- Tuning
- Find a Haltech tuner with a dyno
- Maker
- Haltech: history, software and every model
Where to buy the Nexus Rebel LS (Gen IV kit)
1 sellers found
No sellers match. Try another region or turn off “In stock only”.
Prices as shown on each seller's site on , in their own currency, converted at 14 Oct 2026 rates. Shipping, import duty and tax vary. Check with the seller before you buy.



