Terminator Stealth 2x4 Main Harness
Type: Terminator Stealth 2x4
Introducing 2x4 Terminator Stealth EFI upgrade components. The wait is over. These upgrade components allow you to use your current Terminator Stealth EFI throttle body, install a new main harness, and slave throttle body, and you are finished. This upgrade is also perfect for anyone wanting to convert their 2x4 supercharged combo over to Electronic Fuel Injection!
Features:
- 2x4 Side Mount Stealth Throttle Bodies – Provide the great looks of a classic Holley 4150 Carburetor, without any of the hassles
- Multiple Color options allows for any Terminator Stealth EFI system to be upgraded to a 2x4
- Plug and Play Main Harness provides a clean finished appearance and allows for a quick install!
- Laptop Tuning is Required with this upgrade, we recommend taking your vehicle to a certified Holley EFI Tuner/Installer
Specs:
- Brand: Holley EFI
- Category: Air and Fuel Delivery
- Emission Code: 3
- Grade Type: Performance
- Harness Type: Main
- Part Type: Electronic Throttle Harness
- Product Type: Terminator Stealth 2x4
- Sub Category: Body Wiring Harness and Components
Tech Resources:
Instructions - 558-121_2x4_terminator_stealth_main_harness_diagram.pdf
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Return Policies
Your satisfaction is important to us. If you wish to return an item or request a refund, please review the terms and conditions outlined in our Returns Policy.
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.
