Sale

Ignitions and Electrical› Wiring Harnesses

Speartech

BTO SPEARTECH LS3 CRATE ENGINE-T-56 MAG

$3,599.95 $3,199.95 Save $400.00

SKU: S0IN STE-LS3-T56M

In Stock
In Stock
Ships by Jun 8
Free Shipping
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Advanced — 4+ hours

Description

The Speartech STE-LS3-T56M is an engine and drivetrain wiring harness/engine management system designed for custom LS3 engine and T56 manual transmission swap projects.

Fitment

Fitment Guaranteed

Don’t gamble
on fit.

Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

Available on iOS & Android

Specifications

BrandSpeartech
Part NumberS0IN STE-LS3-T56M

Buy with Confidence

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

View Full Return Policy