• 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

Home > Powertrain Packages

Powertrain Packages

No longer taking powertrain package orders!!!

All powertrain packages fully assembled, programmed, tested, and ready to install!

Notice: Due to industry wide availability & price fluctuations, the prices listed here are only an estimate and not a quote. Please call us for up-to-date powertrain package pricing (765) 378-4908

Looking for the ultimate engine and transmission package for your next project? Look no further than Speartech for your complete, turn-key powertrain package!

We offer the latest GM crate engines and transmissions including LS3, LT1 (Gen 5), and LT4 (Gen 5). We set our LS3 packages up with the 6L80 transmission. Our LT1 packages can be set up with the 6L80, 8L90, or 10L80. Our LT4 packages are set up with the 8L90 or 10L80 transmission. Whichever combination you prefer, we can do it.

All packages are brand new and include all sensors, programmed computer modules, throttle pedal, and front O2 sensors. All engine packages include our Speartech engine/transmission control system, built entirely on your engine for a precise fit, and we test run each one upon completion to ensure everything works perfectly.

A full range of front end accessory drives are available including Billet Specialties, Drive Junky, Holley, or OEM (LS3 packages only).

Buy your next powertrain package from a company with years of experience setting these up the right way. We take all the guess work out of "will this work with that, or that work with this" and offer you a complete, turn-key, trouble free, start-up-and-go package!

Please call us at (765) 378-4908 to place an engine package order. We ship worldwide!