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  • Standard order lead time for STANDALONE WIRING HARNESSES is estimated to be 11-13 weeks from date of purchase.

    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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LT1/L83/L86 with 6L80/90 or Manual Standalone Harness
LT1/L83/L86 with 6L80/90 or Manual Standalone Harness - Image 1 of 0
LT1/L83/L86 with 6L80/90 or Manual Standalone Harness - Image 2 of 0
LT1/L83/L86 with 6L80/90 or Manual Standalone Harness - Image 3 of 0
LT1/L83/L86 with 6L80/90 or Manual Standalone Harness - Image 1 of 0
LT1/L83/L86 with 6L80/90 or Manual Standalone Harness - Image 2 of 0
LT1/L83/L86 with 6L80/90 or Manual Standalone Harness - Image 3 of 0
LT1/L83/L86 with 6L80/90 or Manual Standalone Harness - Image 1 of 0
LT1/L83/L86 with 6L80/90 or Manual Standalone Harness - Image 2 of 0
LT1/L83/L86 with 6L80/90 or Manual Standalone Harness - Image 3 of 0

LT1/L83/L86 with 6L80/90 or Manual Standalone Harness

$
The Speartech Gen 5 L83/L86/LT1 standalone harness includes:

  • Speartech standalone wiring harness with labeled connectors and hook-up wires
  • Instructions
Choose your options:
Engine(required):
Fuel System:
Only applies to customers using a Camaro tune in the computers
Vehicle your engine came from?(required):
Sending in ECM for reprogramming?(required):
Reprogram 6L80/90 trans module?(required):
Transmission(required):
Special Notes(optional):
Add MAF Sensor?:
Add O2 Sensors?:
Add 6L80/90 Tap Shifter?:
Add NSS?:
Gear Ratio/Tire(required):
Pedal Connector(required):
Emissions Wiring(required):
Front End Drive(required):
Examples are Holley, Wegner, CVF Racing, Drive Junky, etc.
6L Reverse CAN relay:
Engine Year:
Product Code: gen5harness
Available to order now, our Gen 5 V8 standalone swap harness!

Supported applications include the LT1, L83, L86, and L8T with a 6L80 / 6L90, or manual transmission.

If you don't have an ECM, we can provide a new, programmed one. Contact us for details.

ECM shown for reference only, not included.
Second pic shown is LT1/8L90 harness with T87 TCM, shown for reference, not included.

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