• HOURS of Operation

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

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

    We're closed on major holidays.

    Closed May 24th. No phone or email services during this time.

  • Standard order lead time for STANDALONE WIRING HARNESSES is estimated to be 9-11 weeks from date of purchase.

    Need is sooner? Give us a call to discuss expediting. Limited slots available.

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

Navigate to the Speartech Fuel Injection Systems homepage

LS and LT Retrofit Specialists
Call to order today

4L60E to 4L80E Upgrade Harness (Late Style)

4L60E to 4L80E Upgrade Harness (Late Style)

Product Code: 4L80Eupgradelate
Usually Ships in 24 to 72 Hours
For 2007-2008 applications that have the input speed sensor built in to the transmission (15-pin connector). E38/T42 reprogramming required for proper operation.