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

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

    We're closed on major holidays.

  • Harness order lead time is estimated to be 8-10 weeks from date of purchase.

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

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LS and LT Retrofit Specialists
Call to order today

We support L8T, L8P, L84, LT1, LT4, and L87 engines with 2nd Generation 10-speed automatics. Call us 765-378-4908 or email info@speartech.com

We support L8T, L8P, L84, LT1, LT4, and L87 engines with 2nd Generation 10-speed automatics. Call us 765-378-4908 or email info@speartech.com

We support L8T, L8P, L84, LT1, LT4, and L87 engines with 2nd Generation 10-speed automatics. Call us 765-378-4908 or email info@speartech.com

LS/LT Swap Harnesses

*NEW* L87/10L90 and L84/10L90's are supported, call for details. ETRS/Global B Transmission's are not supported

*NEW* We support 2nd Gen 10 speed automatics with T93 controllers.

Call to order TODAY!