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  • Standard order lead time for Standalone Harnesses:

    Gen V - 4-5 weeks

    Gen 3 or Gen 4 -1-2 weeks (Several LS3 kits in stock!)

    Need it sooner? Give us a call to discuss expediting. Limited slots available.

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

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LT4/8L90 Harness Package (2015-2016)
LT4/8L90 Harness Package (2015-2016) - Image 1 of 0
LT4/8L90 Harness Package (2015-2016) - Image 2 of 0
LT4/8L90 Harness Package (2015-2016) - Image 1 of 0
LT4/8L90 Harness Package (2015-2016) - Image 2 of 0
LT4/8L90 Harness Package (2015-2016) - Image 1 of 0
LT4/8L90 Harness Package (2015-2016) - Image 2 of 0

LT4/8L90 Harness Package (2015-2016)

$
Choose your options:
4-pin FRP Sensor(required):
Fuel System:
Add MAF Sensor?:
Add O2 Sensors?:
Add NSS?:
Gear Ratio/Tire(required):
Emissions Wiring(required):
Front End Drive(required):
Examples are Holley, Wegner, CVF Racing, Drive Junky, etc.
Product Code: LT4-8L-HP
See top for lead time
Our harness package includes the standalone wiring harness, programmed ECM, programmed TCM, and ETC pedal.

For 2015-2016 LT4 engines and 8L90 transmissions only.
If using a GMPP LT4 crate engine and transmission, select the 4-pin FRP sensor option!
If the pullout was from a 2018+ 8L90, do NOT order this harness and contact us directly.


Please give us a call for additional details!
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