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    Open Monday - Friday 9A-5P EST

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    We're closed on major holidays.

  • Standard order lead time for Standalone Harnesses:

    Gen V - 4-5 weeks

    Gen 3 or Gen 4 -1-2 weeks (Several LS3 kits in stock!)

    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.

LS and LT Retrofit Specialists
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LT4/Manual Standalone Harness ONLY

LT4/Manual Standalone Harness ONLY

$
Choose your options:
Fuel System:
Sending in ECM for reprogramming?(required):
Transmission(required):
Add MAF Sensor?:
Add O2 Sensors?:
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:
Product Code: LT4-M-Harness
See top for lead time
HARNESS ONLY! Reprogramming of your modules is optional, see options below!
Images shown in picture are for representation only of the harness. Pricing is for harness only.

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