Home > Gen V LT / Vortec Harnesses >

LT1/L83/L86/L8T with 8L90 Standalone Harness
LT1/L83/L86/L8T with 8L90 Standalone Harness
The Speartech Gen 5 L83/L86/LT1 standalone harness includes:

  • Speartech standalone wiring harness with labeled connectors and hook-up wires
  • Instructions
Starting Price: $1,450.00

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.
New harness for use with L83/L86/LT1/L8T engine paired to the 8L90 8-speed automatic 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.

Online Payments