LS1/6 (24x/1x) Engine Main Harness - Extended Length
Type: LS Main Engine Harness
This harness is designed for LS1/6 engines from 1997-2004. This harness interfaces with 24x crank and 1x cam sensors. Harness is a perfect fit for installers wanting to mount the any Holley EFI ECU inside of the passenger compartment where it is away from the elements and easy to access.
Features:
- Plug and play with Dominator, HP, Terminator X and Terminator X Max ECU's
- Designed for use on 24x/1x LS engines
- Mount the ECU in a wide variety of locations such as on a roll bar or under the passenger seat
- 22" extended length
Specs:
- Brand: Holley EFI
- Category: Engine
- Crank Reluctor: 24x
- Emission Code: 3
- Grade Type: Performance
- Harness Application: LSX
- Harness Type: Main
- Part Type: Engine Wiring Harness
- Product Type: LS Main Engine Harness
- Sub Category: Wire, Cable and Related Components
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Important Notices
- Off‑Road Use Only
Products sold by JS Speed are intended for off‑road use and may be illegal on public roads where emissions or pollution‑control laws apply. - Check Local Laws
Before purchasing or installing, verify all applicable local, state/provincial, and federal regulations to ensure the modification is legal in your area. - Professional Installation Recommended
These parts should be installed by qualified professional mechanics. Improper installation can cause performance issues or vehicle damage. Unless a product page explicitly states otherwise, installation instructions are not included. Components are designed for users with solid mechanical knowledge, and minor adjustments or modifications may be required for proper fitment. Returns or refunds cannot be accepted due to difficulty completing an installation or the absence of instructions. - Warranty Impact
Use of these parts may void your vehicle’s factory warranty. Confirm with your vehicle manufacturer before purchase and installation. - Limitation of Liability
JS Speed is not responsible for damage, failures, or issues arising from the use or installation of these products. - Product Images
Images are for illustration only and may differ from the actual product due to manufacturer updates or improvements. - No Performance Guarantees
While these products are designed to enhance performance, JS Speed does not guarantee specific performance results.
