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Engine Management

Engine Management

Engine Management

Shop engine management for better engine control, tuning flexibility, ignition performance and drivability in performance-focused builds.

Nexus Rebel LS - MAP sensor adaptor harness

Haltech
Original price $37.00 - Original price $37.00
Original price
$37.00
$37.00 - $37.00
Current price $37.00

This adapter harness converts the MAP sensor connector on the Rebel LS main terminated harness from an early style/Gen III to a Gen IV connect...

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Original price $37.00 - Original price $37.00
Original price
$37.00
$37.00 - $37.00
Current price $37.00

Nexus Rebel LS - Gen IV Oil pressure sensor adaptor harness

Haltech
Original price $37.00 - Original price $37.00
Original price
$37.00
$37.00 - $37.00
Current price $37.00

This adapter harness converts the oil pressure sensor connector on the Rebel LS main terminated harness from an early style/Gen III to a Gen I...

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Original price $37.00 - Original price $37.00
Original price
$37.00
$37.00 - $37.00
Current price $37.00

Plug and Pins Only - Suits VE Commodore APP

Haltech
Original price $22.00 - Original price $22.00
Original price
$22.00
$22.00 - $22.00
Current price $22.00

Accelerator Pedal Position connector to suit VE Commodore and Nissan R35 GTR Accelerator Pedals

Original price $22.00 - Original price $22.00
Original price
$22.00
$22.00 - $22.00
Current price $22.00

Nexus Rebel LS - Bosch Pedal adaptor

Haltech
Original price $75.00 - Original price $75.00
Original price
$75.00
$75.00 - $75.00
Current price $75.00

This adapter is designed to connect the Accelerator Pedal Position (APP) connector on the Nexus Rebel LS main terminated harness to a Bosch Pe...

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Original price $75.00 - Original price $75.00
Original price
$75.00
$75.00 - $75.00
Current price $75.00

Nexus Rebel LS - Corvette pedal adaptor

Haltech
Original price $75.00 - Original price $75.00
Original price
$75.00
$75.00 - $75.00
Current price $75.00

This adapter is designed to connect the Accelerator Pedal Position (APP) connector on the Nexus Rebel LS main terminated harness to a Corvette...

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Original price $75.00 - Original price $75.00
Original price
$75.00
$75.00 - $75.00
Current price $75.00

Nexus Rebel LS - 8-pin DBW adaptor

Haltech
Original price $42.00 - Original price $42.00
Original price
$42.00
$42.00 - $42.00
Current price $42.00

This adapter is used to connect the throttle connector on the Nexus Rebel LS main terminated harness to an 8 pin LS DBW throttle.

Original price $42.00 - Original price $42.00
Original price
$42.00
$42.00 - $42.00
Current price $42.00

Nexus Rebel LS - Cable Throttle + IAC sub-harness

Haltech
Original price $42.00 - Original price $42.00
Original price
$42.00
$42.00 - $42.00
Current price $42.00

This adapter is used to connect the throttle connector on the Nexus Rebel LS main terminated harness to a cable-operated GM LS throttle body w...

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Original price $42.00 - Original price $42.00
Original price
$42.00
$42.00 - $42.00
Current price $42.00

Nexus Rebel LS - Multec 2 Injector Sub Harness

Haltech
Original price $199.00 - Original price $199.00
Original price
$199.00
$199.00 - $199.00
Current price $199.00

This sub-harness connects 8 injectors with Multec 2 connectors to the injector breakout connector on the Nexus Rebel LS main terminated harnes...

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Original price $199.00 - Original price $199.00
Original price
$199.00
$199.00 - $199.00
Current price $199.00

Nexus Rebel LS - LS EV6 Injector Sub-Harness

Haltech
Original price $199.00 - Original price $199.00
Original price
$199.00
$199.00 - $199.00
Current price $199.00

This sub-harness connects 8 injectors with EV6 connectors to the injector breakout connector on the Nexus Rebel LS main terminated harness

Original price $199.00 - Original price $199.00
Original price
$199.00
$199.00 - $199.00
Current price $199.00

Nexus Rebel LS - LS EV1 Injector Sub-Harnes

Haltech
Original price $199.00 - Original price $199.00
Original price
$199.00
$199.00 - $199.00
Current price $199.00

This sub-harness connects 8 injectors with EV1 connectors to the injector breakout connector on the Nexus Rebel LS main terminated harness

Original price $199.00 - Original price $199.00
Original price
$199.00
$199.00 - $199.00
Current price $199.00

Nexus Rebel LS Terminated Harness for Nexus Rebel LS ECU

Haltech
Original price $1,245.00 - Original price $1,245.00
Original price
$1,245.00
$1,245.00 - $1,245.00
Current price $1,245.00

Terminated Harness for use with the Rebel LS ECU Injector breakouts HT-186000 V8 Primary Injector EV1 HT-186001 V8 Secondary Injector EV1 HT-18600...

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Original price $1,245.00 - Original price $1,245.00
Original price
$1,245.00
$1,245.00 - $1,245.00
Current price $1,245.00

MAKO Motorsports Toyota Supra MK4 Series 2 JZA80 97-02 Dash Mount

Haltech
Original price $390.00 - Original price $450.00
Original price
$390.00 - $450.00
$390.00 - $450.00
Current price $390.00

Regardless of what you want to mount, we have you covered. Any car. Any screen. Any light. Any gauge. We do the hard work so you don't have to. S...

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Original price $390.00 - Original price $450.00
Original price
$390.00 - $450.00
$390.00 - $450.00
Current price $390.00

Nexus Ti4L Transmission Interface Kit - Suits GM 4L series

Haltech
Original price $595.00 - Original price $595.00
Original price
$595.00
$595.00 - $595.00
Current price $595.00

The Ti4L unit allows easy control for GM's popular 4L series of automatic transmissions. Designed as an expansion module for the NEXUS ECU and VCU ...

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Original price $595.00 - Original price $595.00
Original price
$595.00
$595.00 - $595.00
Current price $595.00

Nexus R5 VCU

Haltech
Original price $6,045.00 - Original price $6,045.00
Original price
$6,045.00
$6,045.00 - $6,045.00
Current price $6,045.00

VCU OVERVIEW Nexus R5 is Haltech's flagship product combining the functionality of a power distribution module, a data logger, a dual channel wideb...

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Original price $6,045.00 - Original price $6,045.00
Original price
$6,045.00
$6,045.00 - $6,045.00
Current price $6,045.00

NEXUS R5 + Plug and Pin Set

Haltech
Original price $6,344.00 - Original price $6,344.00
Original price
$6,344.00
$6,344.00 - $6,344.00
Current price $6,344.00

VCU OVERVIEW Nexus R5 is Haltech's flagship product combining the functionality of a power distribution module, a data logger, a dual channel wideb...

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Original price $6,344.00 - Original price $6,344.00
Original price
$6,344.00
$6,344.00 - $6,344.00
Current price $6,344.00

NEXUS R5 + Universal Wire-in Harness Kit Length: 2.5m (8')

Haltech
Original price $6,885.00 - Original price $6,885.00
Original price
$6,885.00
$6,885.00 - $6,885.00
Current price $6,885.00

VCU OVERVIEW Nexus R5 is Haltech's flagship product combining the functionality of a power distribution module, a data logger, a dual channel wideb...

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Original price $6,885.00 - Original price $6,885.00
Original price
$6,885.00
$6,885.00 - $6,885.00
Current price $6,885.00

Nexus R5 ECU + Universal V8 Terminated Harness

Haltech
Original price $7,330.00 - Original price $7,330.00
Original price
$7,330.00
$7,330.00 - $7,330.00
Current price $7,330.00

VCU OVERVIEW Nexus R5 is Haltech's flagship product combining the functionality of a power distribution module, a data logger, a dual channel wideb...

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Original price $7,330.00 - Original price $7,330.00
Original price
$7,330.00
$7,330.00 - $7,330.00
Current price $7,330.00

NEXUS R5 + Universal Wire-in Harness Kit - 5M / 16' Length: 5m (16')

Haltech
Original price $7,170.00 - Original price $7,170.00
Original price
$7,170.00
$7,170.00 - $7,170.00
Current price $7,170.00

VCU OVERVIEW Nexus R5 is Haltech's flagship product combining the functionality of a power distribution module, a data logger, a dual channel wideb...

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Original price $7,170.00 - Original price $7,170.00
Original price
$7,170.00
$7,170.00 - $7,170.00
Current price $7,170.00

Haltech HC5 - Hydraulic Crimper

Haltech
Original price $199.00 - Original price $199.00
Original price
$199.00
$199.00 - $199.00
Current price $199.00

HC5 Hydraulic Crimper 5 TON

Original price $199.00 - Original price $199.00
Original price
$199.00
$199.00 - $199.00
Current price $199.00

Nexus R3 Universal Wire-in Harness - 2.5m (8') Length: 2.5M

Haltech
Original price $620.00 - Original price $620.00
Original price
$620.00
$620.00 - $620.00
Current price $620.00

HARNESS OVERVIEW Ideal for dedicated race cars, engine swaps and custom wiring jobs. The Universal Wire-in Harness has a set of VCU connectors at o...

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Original price $620.00 - Original price $620.00
Original price
$620.00
$620.00 - $620.00
Current price $620.00

Nexus R3 VCU + Plug and Pin Set

Haltech
Original price $3,789.00 - Original price $3,789.00
Original price
$3,789.00
$3,789.00 - $3,789.00
Current price $3,789.00

VCU OVERVIEW Nexus R3 combines the functionality of a power distribution module, a data logger, a wideband controller and a state-of-the art engine...

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Original price $3,789.00 - Original price $3,789.00
Original price
$3,789.00
$3,789.00 - $3,789.00
Current price $3,789.00

Nexus R3 + Universal Wire-in Harness Kit Length: 2.5m (8')

Haltech
Original price $4,215.00 - Original price $4,215.00
Original price
$4,215.00
$4,215.00 - $4,215.00
Current price $4,215.00

VCU OVERVIEW Nexus R3 combines the functionality of a power distribution module, a data logger, a wideband controller and a state-of-the art engine...

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Original price $4,215.00 - Original price $4,215.00
Original price
$4,215.00
$4,215.00 - $4,215.00
Current price $4,215.00

Plug and Pin Set - Suits Nexus R3

Haltech
Original price $194.00 - Original price $194.00
Original price
$194.00
$194.00 - $194.00
Current price $194.00

Superseal connector 34 Pin (Key 1) Plug and Pins Plug and Pin set compatible with Haltech Nexus products that use the Key 2 / 34 position connect...

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Original price $194.00 - Original price $194.00
Original price
$194.00
$194.00 - $194.00
Current price $194.00

Nexus S3 ECU + Plug and Pin Set

Haltech
Original price $3,347.00 - Original price $3,347.00
Original price
$3,347.00
$3,347.00 - $3,347.00
Current price $3,347.00

ECU OVERVIEW Haltech's Nexus S3 is the successor to the acclaimed Elite 2500, offering a serious upgrade in performance and functionality. The S3 c...

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Original price $3,347.00 - Original price $3,347.00
Original price
$3,347.00
$3,347.00 - $3,347.00
Current price $3,347.00

Frequently Asked Questions

What does upgrading engine management improve?
Depending on the product, upgrades in this category can improve tuning flexibility, ignition strength, throttle response, drivability or signal accuracy.
Do I need tuning after installing engine management?
Often, yes. Engine management, ignition and trigger-related changes usually work best when the ECU and calibration are checked at the same time.
Are these engine management plug-and-play?
Some are designed as direct replacements, while others may need additional wiring, setup or professional installation depending on the vehicle.
Are these engine management suitable for high performance builds?
Yes. These parts are commonly used when factory control systems become a limitation in modified or motorsport-focused applications.
How do I confirm compatibility with my setup?
Check connector style, ECU support, engine platform and any model-specific notes before ordering, especially on custom or swapped builds.