• QUESTIONS? GIVE US A CALL! 1 (765) 378-4908

    Open Monday - Friday 9A-4:30P EST

  • Harness order lead time is estimated to be 7-9 weeks from date of purchase.

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

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Home > Gen V LT / Vortec Harnesses
LT1/L83/L86 with 8L90 Standalone Harness

LT1/L83/L86 with 8L90 Standalone Harness

$0.00
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:
Fuel System:
Only applies to customers using a Camaro tune in the computers
Vehicle your engine came from?:
Sending in ECM for reprogramming?(required):
Sending in TCM for reprogramming?(required):
Add MAF Sensor?:
Add O2 Sensors?:
Add NSS?:
Pedal Connector(required):
Cruise Control(optional):
Emissions Wiring(required):
Front End Drive(required):
Examples are Holley, Wegner, CVF Racing, Drive Junky, etc.
Product Code: gen5harness8L90
Please see the 'Contact Info' section for current lead times on harnesses.
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.
Price list is for reference, call for quote. Tap shift options vary based upon what tune is currently in your computer(s). Replacement computers are available for an additional fee.

ECM shown for reference only, not included.

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