• HOURS of Operation

    Open Monday - Friday 9A-5P EST

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

    We're closed on major holidays.

    Phones are down during the trade shows that we are attending.

  • 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.

    Upcoming Show Information:

    • July 11-13 Columbus Good Guys

    • July 31- August 3rd - Louisville Street Rod Nationals

    • September 5th-7th LS Fest East

Navigate to the Speartech Fuel Injection Systems homepage

LS and LT Retrofit Specialists
Call to order today

-
Home >
LT1/L83/L86 with 8L90 Standalone Harness

LT1/L83/L86 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
Choose your options:
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):
Sending in TCM for reprogramming?(required):
Add MAF Sensor?:
Add O2 Sensors?:
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.
Engine Year:
What year is your transmission?:
Product Code: gen5harness8L90
New harness for use with L83/L86/LT1/L8T engine paired to the 8L90 8-speed automatic transmission.
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.

Related Products

L86 with 10 Speed Harness Package

L86 with 10 Speed Harness Package

$3,275.00
L86 with 10 Speed Harness Package

L86 with 10 Speed Harness Package

$3,275.00
L87/10L80E Standalone Harness *Global A* with O2's

L87/10L80E Standalone Harness *Global A* with O2's

$1,875.00
L84/10L80E Standalone Harness *Global A* with O2's

L84/10L80E Standalone Harness *Global A* with O2's

$1,875.00
L86 with 10 Speed Harness Package

L86 with 10 Speed Harness Package

$3,275.00
L87/10L80E Standalone Harness *Global A* with O2's

L87/10L80E Standalone Harness *Global A* with O2's

$1,875.00
L84/10L80E Standalone Harness *Global A* with O2's

L84/10L80E Standalone Harness *Global A* with O2's

$1,875.00
L87 with 10L80E Harness Package *Global A*

L87 with 10L80E Harness Package *Global A*

$3,550.00
Empty Cart