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  • Harness order lead time is estimated to be 8-10 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
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LT1/L83/L86 with 8L90 Harness Package *2017-2019*
LT1/L83/L86 with 8L90 Harness Package *2017-2019* - Image 1 of 0
LT1/L83/L86 with 8L90 Harness Package *2017-2019* - Image 2 of 0
LT1/L83/L86 with 8L90 Harness Package *2017-2019* - Image 1 of 0
LT1/L83/L86 with 8L90 Harness Package *2017-2019* - Image 2 of 0
LT1/L83/L86 with 8L90 Harness Package *2017-2019* - Image 1 of 0
LT1/L83/L86 with 8L90 Harness Package *2017-2019* - Image 2 of 0

LT1/L83/L86 with 8L90 Harness Package *2017-2019*

$0.00
Choose your options:
Engine:
Fuel System:
Only applies to customers using a Camaro tune in the computers
Sending in ECM for reprogramming?(required):
Sending in TCM for reprogramming?(required):
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.
What year is your transmission?:
Product Code: LT-8L-HP-2017Plus
Our harness package includes the standalone wiring harness, programmed ECM, programmed TCM, and ETC pedal.

For 1st Generation 8L90 transmission's only that came with L83, LT1, or L86 engines