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Haltech Elite 2000/2500 Lexus IS300 2JZ GE VVTi

(2001 USA models only) Parallel Adaptor Harness

Part Number: HT-141340

SUITS: Parallel (piggy-back) install in conjunction with the factory ECU for Lexus IS300 2JZ GE VVTi (2001 USA models only) with automatic or manual transmissions.

INCLUDES: Parallel adaptor harness, M14 x 1.5 air temp sensor with matching plug and pins, extension harness for optional GM 3 or 4 BAR MAP sensor upgrade.

If you are using a factory harness and are after an easy ECU upgrade, take a look at Haltech Plug'n'Play Adaptor Kits. These adaptors plug directly into your Haltech ECU and have a set of factory connectors on the other side which plug straight into the factory harness.

  • A simple Haltech adaptor harness 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 adaptor 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.


  • 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. 

Elite 2000/2500 Lexus IS300 2JZ GE VVTi (2001 USA models only) Parallel Adaptor

SKU: HT-141340
VAT Included
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