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Gen 5 L83/L86/LT1 Harness with 6L80/6L90/Manual Trans
Gen 5 L83/L86/LT1 Harness with 6L80/6L90/Manual Trans
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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
Our 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, and L86 with a 6L80 / 6L90, 8L90 (add $200), 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 for $750.

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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