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Elite 2000/2500 Lexus IS300 2JZ GE VVTi(2002-05 USA models only) Parallel Adaptor Harness

SUITS: Parallel (piggy-back) installation in conjuction with the factory ECU for Lexus IS300 2JZ GE VVTi (2002-2005) (USA models only) with automatic or manual transmissions.
INCLUDES: Parallel adapter harness, extension harness for optional GM 3 or 4 BAR MAP sensor upgrade.


  • 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. 

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