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    Open Monday - Friday 9A-4:30P EST

  • Harness order lead time is estimated to be 7-9 weeks from date of purchase.

    All other items typically ship within 3-5 business days unless specified otherwise.

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LS and LT Retrofit Specialists
Call to order today

LT4/8L90 Harness Package (2015-2016)

LT4/8L90 Harness Package (2015-2016)

Choose your options:
Fuel System:
Add MAF Sensor?:
Add O2 Sensors?:
Add NSS?:
Gear Ratio/Tire(required):
Cruise Control(optional):
Emissions Wiring(required):
Front End Drive(required):
Examples are Holley, Wegner, CVF Racing, Drive Junky, etc.
Product Code: LT4-8L-HP
Call (765) 378-4908 to order.
Our harness package includes the standalone wiring harness, programmed ECM, programmed TCM, and ETC pedal.

2017+ Systems require different computers, call for pricing on 2017+ systems.

Please give us a call for additional details!