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LT1/L83/L86/L8T with 6L80/90 or Manual Standalone Harness
LT1/L83/L86/L8T with 6L80/90 or Manual Standalone Harness
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The Speartech Gen 5 L83/L86/LT1 standalone harness includes:

  • Speartech standalone wiring harness with labeled connectors and hook-up wires
  • Instructions
Starting Price: $1,250.00

Availability:: Please see the 'Contact Info' section for current lead times on harnesses.

Add Gen 5 Sensor Package?:

Call us at (765) 378-4908 to order.
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.

Reprogramming options:
2014-2016 ECM $400
2017 ECM $500

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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