BTO SPEARTECH GEN IV - 6L80E

Name: BTO SPEARTECH GEN IV - 6L80E
Brand: Speartech
SKU: S0IN STE-GEN4-6L80
Price: 3399.95 USD
Availability: InStock

$3,824.95 $3,399.95 Save $425.00

SKU: S0IN STE-GEN4-6L80

In Stock

Ships by Jun 8

Free Shipping

Non-Returnable Item

DIY PRO SHOP

Advanced — 4+ hours

Description

The Speartech STE-GEN4-6L80 is an LS 58x Harness Package designed for engine swaps using LS 58x series engines (LS2, LS3, LS7, L99, 4.8, 5.3, 6.0, 6.2 Truck) with 6L80 or 6L90 automatic transmissions. This kit provides the essential wiring and control components to integrate these powertrains into custom 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

Brand	Speartech
Part Number	S0IN STE-GEN4-6L80

Videos

2016 Silverado LV3 4.3L and 6L80E Swap Kit

8l90 floor shifter

GM Gen IV engine harness explained

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