MAIN ENGINE HARNESS FOR 58X LS W/TBI
Type: Terminator LS Main Engine Harness
Main Engine harness intended for use with Terminator X, X Max, Terminator, HP, and Dominator ECUs when using a Terminator or Terminator Stealth style Throttle Body Injection unit on a Gen 4 58x LS engine. This harness has crank and cam sensor plugs for Gen 4 58x LS engines as well as Odd/Even LS coil harness plugs and a bulkhead connector for the 534-227, 534-225 and similar throttle body injection units.
Specs:
- Brand: Holley EFI
- Category: Air and Fuel Delivery
- Emission Code: 4
- Part Type: Fuel Injection Harness
- Product Type: Terminator LS Main Engine Harness
- Sub Category: Wire, Cable and Related Components
Tech Resources:
Instructions - 558-112__terminator_efi_58x_ls_main_harness_diagram.pdf
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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.
