SKU: 43220971640

HALTECH Elite 2000/2500 Terminated Engine Harness for Nissan RB Twin Cam with CAS harness and Series 1 (early) ignition type sub harness

Sale price$472.50 Regular price$525.00
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Description

HALTECH Elite 2000/2500 Terminated Engine Harness for Nissan RB Twin Cam with CAS harness and Series 1 (early) ignition type sub harnessSuits: Nissan RB TWIN CAM Series RB20 25 26 Includes: Nissan RB TWIN CAM Series Terminated Engine Harness CAS harness HT 130327 Series 1 Coil harness HT 130331 Connector Pack for auxiliary I O Quick Start Guide Notes: Series 1 Coil harness HT 130331 Uses OEM External Igntion Module OVERVIEW Harness Overview The fastest and most cost effective way to wire your race car or engine conversion! Simply connect a handful of labelled wires and this plug and

Suits: Nissan RB TWIN CAM Series RB20/25/26

Includes: • Nissan RB TWIN CAM Series Terminated Engine Harness • CAS harness HT-130327 • Series 1 Coil harness HT-130331 • Connector Pack for auxiliary I/O • Quick Start Guide

Notes: Series 1 Coil harness HT-130331 - Uses OEM External Igntion Module

OVERVIEW

Harness Overview
The fastest and most cost effective way to wire your race car or engine conversion! Simply connect a handful of labelled wires and this plug and Play product allows you to be up and running in just a few hours.
  • An efficient Haltech Plug'n'Play product that allows you to be up and running in just a few hours.
  • The quick start guide will walk you through installation of the Haltech Plug'n'Play harness into your vehicle.
  • The guide is accompanied by the full ECU manual and Software located on the CD or USB key provided with the ECU to refer to while completing your installation and configuration.

Harness Overview
The fastest and most cost effective way to wire your race car or engine conversion! Simply connect a handful of labelled wires and this plug and Play product allows you to be up and running in just a few hours.
  • An efficient Haltech Plug'n'Play product that allows you to be up and running in just a few hours.
  • The quick start guide will walk you through installation of the Haltech Plug'n'Play harness into your vehicle.
  • The guide is accompanied by the full ECU manual and Software located on the CD or USB key provided with the ECU to refer to while completing your installation and configuration.

ECU OVERVIEW
Haltech's Elite 2500 ECU takes the art of engine calibration to a whole new level. Featuring a robust environmentally sealed waterproof case, drive by wire throttle control, intake and exhaust cam control, short term and long term map learning, dual channel knock control, and much more, the Elite 2500 ECU provides engine calibrators the tools they need to get the job done right. Alongside the Elite 2500 ECU is the Elite Software Programmer (ESP) that brings levels of functionality and user friendliness never seen before in an engine control package. Together they offer true cutting edge technology to tuners and performance enthusiasts worldwide.
  • Supports 1 to 12 Cylinder engines
  • 2 to 4 Rotor engines
  • Normally aspirated or forced induction
  • Load sensing by Throttle Position (TPS), Manifold Absolute Pressure (MAP) or Mass Air Flow (MAF)
  • Staged, Sequential, semi sequential, batch or multipoint injection patterns
  • Distributor ignition systems, multi-coil systems, expand CDI range or Haltech Multiplex CDI systems
  • Connect to a wide range of display dashes and expansion devices via CAN.
  • Waterproof Case (With Pocket Cover Fitted)
  • 8 x Fuel Injection Outputs
  • 8 x Ignition Outputs
  • 12 x Digital Outputs
  • 10 x Analogue Voltage Inputs
  • 4 x Synchronised Pulsed Inputs
  • 4 x Dedicated inputs (Dual Knock, ignition Switch & onboard MAP Sensor)
  • 2 x Dedicated Engine Position Inputs with extensive trigger type support
  • Up to 45 channels of Input & Output (I/O) expansion (via CAN)
  • USB Laptop communication (Windows)
  • ESP Calibration Software - Intuitive and easy to use

FEATURES

Harness Features
  • This harness when installed in conjunction with a Haltech Elite ECU opens the door to virtually limitless performance modification and tuning of your vehicle.
  • Fully programmable systems allow you to extract all the performance from your engine by delivering precisely the required amount of fuel and ignition timing that your engine requires for maximum output under all operating conditions. 
  • This harness when installed in conjunction with a Haltech Elite ECU opens the door to virtually limitless performance modification and tuning of your vehicle.
  • Fully programmable systems allow you to extract all the performance from your engine by delivering precisely the required amount of fuel and ignition timing that your engine requires for maximum output under all operating conditions. 
Harness Features
  • This harness when installed in conjunction with a Haltech Elite ECU opens the door to virtually limitless performance modification and tuning of your vehicle.
  • Fully programmable systems allow you to extract all the performance from your engine by delivering precisely the required amount of fuel and ignition timing that your engine requires for maximum output under all operating conditions. 
ECU FUNCTIONS
  • Drive by Wire Throttle Control (DBW) - Requires (2) user defined outputs & (4) user defined inputs
  • Low Impedance Injector control with Programmable Injector Peak and Hold Currents & Programmable peak time
  • Flex Fuel Function (Direct sensor input) - Tune your engines boost, fuel and ignition by ethanol content
  • Flexible tuning setup for Petrol (Gasoline), LPG, Methanol and Ethanol allows you to simply select your fuel type
  • Closed Loop 02 Control - Dual bank control for precise tuning (With optional external CAN O2 Wideband Controller Kit)
  • Dual Channel Knock Control - Synchronised to engine position with high speed digital filtering for accurate detection
  • Variable cam control - Independently control up to 4 camshafts - Requires a minimum of 1 user defined input & output per variable cam
  • Closed Loop Idle Speed Control with learning for consistent idle stability Requires 1 or 2 user defined outputs (BAC type) or 4 user defined outputs (Stepper motor type)
  • Long term learning (Auto tune) on fuel, ignition, cam, boost & idle control maps (up to 4D)
  • On-board data logging - Up to 40 channels of logging at sample rates up to 5ms (200Hz) with 2MB of internal memory
  • Laptop data logging -Data log all available channels directly to your laptop's hard drive for both tuning and diagnostics
  • Dual CAN Bus communication for Haltech Dashes and expansion devices, Supported OEM CAN & OBDII (view live engine data & set and clear diagnostic trouble codes)
  • Injection Stages: up to 4 with individual injector flow rates per injector
  • 8 Injector drivers for 2 sequential stages on 4 cylinder & 3 rotor engines and up to 4 sequential stages on 2 rotor engines
  • Anti-Lag/Rotational idle - for closed course racing, rally, circuit or drift. Build and maintain boost during closed throttle conditions
  • Rolling Anti-Lag - lock to your current (or pre-set) RPM or road speed for roll racing or pit lane limiting
  • Launch Control - Control your engines power delivery, RPM & boost for consistent performance at the start line
  • Traction Control - Control your engines power output via mappable front vs rear axle or individual wheel speed slip.
ADVANCED TUNING
  • Tuning Table Resolution up to 32 x 32 x 8
  • Limitless tuning flexibility -Tune your engine by a combination of 4D tuning tables combined with 3D per cylinder compensations and multiple user definable corrections
  • tune by a combination of manifold pressure, throttle position, cam position, ethanol content, gear, road speed, race time, EGT, shock travel, ride height or any channel for ultimate flexibility - Dual mapping is a thing of the past.
  • Per Cylinder Tuning Correction - 3D
  • Wideband O2 - Connect up to 9 Channels via CAN expansion devices
  • Thermocouples/EGT (Exhaust Gas Temperature) - Connect up to 12 Channels via external CAN expansion devices
  • Engine Protection - Set advanced multi-level limits for sensors and protect your engine against common causes of failure
RACE FUNCTIONS
  • Nitrous control with advanced programming of up to 6 stages of wet or dry nitrous kits with on/off delays & banked control options.
  • fuel and ignition corrections for all stages.
  • Boost Control -Intelligent 4D Closed loop, with learning, flexible user definable axis and 14 fully user definable boost target and duty cycle corrections.
  • modes - example boost by gear, road speed, race timer, shock travel, ride height etc.
  • Sequential turbo control
  • CO2 Boost control, wastegate pressure & position, intake air bleed control (charge pipe wastegate) functionality for the hard-core racer
  • Flat shift - Optimise your shifting precision via a combination of inputs such as a clutch switch or strain gauge.
  • Shock Travel/Ride Height inputs allow dynamic tuning and data logging to assist in chassis development and power delivery
  • Timer Functions - Use the combination of the race timer and 5 additional programmable timers for time based control of multiple engine parameters, power delivery and other user definable functions
  • Trans brake function allows smooth and consistent control of start line staging (Bump or Creep)
  • Optional Upgrade - Advanced Torque Management - A fully integrated driveshaft RPM target race function that provides the ultimate control and consistency for the serious drag racer, eliminating the need for costly external controllers

RESOURCES

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 43220971640

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john A.
Boise, US
★★★★★ 5
Better than most.
Size: (Pack of 1)
Looks good, perfect fit.
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Reviewed in the United States on May 25, 2026
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Willy Bill
Waukegan, US
★★★★★ 5
Great Filter
Size: (Pack of 1)
This fits fine. Just wish it was a little easier to change.
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Reviewed in the United States on April 26, 2026
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em
Port Orchard, US
★★★★★ 5
More power, slightly lower (8%) MPG.
Size: (Pack of 1)
Installed on a 2.0 liter Subaru Impreza. I drive up/down the I5 in california 3-4 times a year. For those that don't know there is about a 200 mile flat stretch where everyone runs at 75-85mph. With various filters (FRAM, BOSCH, Subaru OEM), I would consistently get 29.8 mpg. Once I installed the K&N, I could feel the car pulling with a bit more power, but I noticed that I was getting about 27.5 mpg. Totally worth it as the impreza is a little under powered and I don't drive many miles (6k/year) but if you are putting a lot of miles on your car, you may want to have more mpg.
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Reviewed in the United States on May 24, 2026
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GregUPerkio
Alexandria, US
★★★★★ 5
fits my 2013 chevy suburban 5.3 and appears to be high quality
Size: (Pack of 1)
fits my 2013 suburban perfectly. looks to be a well constructed unit.
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Reviewed in the United States on March 29, 2026
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Gahvno
Los Angeles, US
★★★★★ 5
Very good quality comparable to OEM at a much more reasonable price point.
Size: (Pack of 1)
Last December we bought our first new car in 21 years and the first thing I did is stock up on cabin and engine air filters. I've got nothing against dealership OEM parts and pieces but what I do have an issue with is the prices. Luckily, we all have a bit of control over access to OEM quality parts and pieces at significantly more reasonable prices via Amazon. This filter and it's matching cabin filter are excellent in value and take less than 5 minutes to replace. Compare that to paying the hourly rate at your dealer plus the dealership retail price and you'll do what I did and stock up on these two filters. Definitely recommended.
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Reviewed in the United States on September 25, 2025

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