BGRS Haltech Elite 4AGE 20V Plug and Play ECU Kit

Our harness manufacturer closed up shop. No ETA once all current stock is sold out. Battle Garage Racing Service original product Plug and Play Haltech Elite 550/750 ECU for 4AGE 20V For Blacktop and Silvertop 20V's, turbo or N/A (turbo may require a crank trigger, sold separately) All-inclusive base map - cold start, accel enrichment, cruise, and other maps developed by BGRS specifically for 4AGE 20V engines. Follow the instructions, plug in, turn the key, and drive to your tuner! Full harness for AE86 and other RWD applications.  If not being used on an AE86, Just ask for the "Universal harness" option when checking out for non-AE86 RWD applications.   Universal Harness is 95% complete. All 20V engine connectors are finished. Power, ground, fuel pump, and RPM connectors left bare, allowing the flexibility to customize to nearly any RWD chassis. This full Harness only works with Left-hand drive 20V swaps! Please contact our support email if you are interested in a Right-hand drive