PRIMARY LS HARNESS

Name: PRIMARY LS HARNESS
Brand: Fi Tech
SKU: F012 70050-3
Price: 456.00 USD
Availability: InStock

$456.00

SKU: F012 70050-3

In Stock

Ships by Jun 7

Free Shipping

Non-Returnable Item

DIY PRO SHOP

Moderate — 2–4 hours

Description

The FiTech Ultimate LS Standalone ECU & Harness Kit (MPN 70050-3) is a self-learning ECU designed for LS engine swaps, supporting factory intake, injectors, and cable throttle bodies. It includes a 3 BAR MAP sensor for boosted applications up to 30 PSI, sequential fuel and spark control, and a touch-screen controller for easy tuning. It is compatible with 24X/58X crank and cam sensors and comes with a plug-and-play wiring harness.

Fitment

Fitment Guaranteed

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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	Fi Tech
Part Number	F012 70050-3

Videos

Wiring Your Ultimate LS EFI System | Tech Tuesdays | EP80

Initial Setup- LS EFI System | Tech Tuesdays | EP84

FiTech Ultimate LS EFI Review and Tips LSX S10

LS FiTech EFI system review before you buy

The BEST FiTech EFI Ultimate LS Kit! Unboxing!

EFI Handheld Initial Setup | Fitech EFI Install

FiTech EFI Ultimate LS Induction Systems

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.

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