Holley 558-442 Terminator (R) Stealth Series Throttle Body Sub Harness
Guaranteed Fitment
Always the correct part
Added Value
Performance matched parts
In-House Experts
We know our products
Nationwide Delivery
Economy shipping
Body, Exterior & Accessories ❯
Brakes ❯
Tools, Hardware & Consumables ❯
Towing, Trailer & Truck Accessories ❯
Always the correct part
Performance matched parts
We know our products
Economy shipping
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!
Description_DEF | Electronic Throttle Harness |
Description_DES | Terminator (R) Stealth Series Throttle Body Sub Harness |
Description_EXT | Terminator (R) Stealth Series Throttle Body Sub Harness; 2x Slave; EFI Upgrade; Plug and Play; |
Description_INV | STEALTH TERMINATOR 2X4 SUB HARNESS |
Description_FAB | 2x4 Side Mount Stealth Throttle Bodies - Provide the great looks of a classic Holley 4150 Carburetor, without any of the hassles |
Description_FAB | Multiple Color options allows for any Terminator Stealth EFI system to be upgraded to a 2x4 |
Description_FAB | Plug and Play Main Harness provides a clean finished appearance and allows for a quick install! |
Description_FAB | Laptop Tuning is Required with this upgrade, we recommend taking your vehicle to a certified Holley EFI Tuner/Installer |
Description_KEY | Pressure transducer; pressure mount; sensor mount; sensor; mount; sensor mounting; mounting; block; sensor block; transducer block; pressure manifold; manifold block; manifold; vacuum manifold; |
Description_SHO | ElecThtlHrns |
Description_MKT | 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! |
Brand | Holley EFI |
Emission Code | 4 |
Clearance Category | Air and Fuel Delivery |
Sale Category | Air and Fuel Delivery |
WARNING CA Proposition 65 | No |
Product Type | Harness |
Discount Percentage | 26-50% |
Length | 4.3000 |
Width | 5.9000 |
Height | 6.5000 |
Weight | 0.4000 |
Adding product to your cart
Solid hitch with serious strength and clean powder coat, heavy to lift, but installs easy and tows perfectly!!
Shipping was quick and on time - exactly what I needed for my small-block build - would buy again for sure
Weatherbeater mats fit my work truck perfectly. Dropped them in and nothing moves. Truly a great upgrade
Window visors look incredible and feel durable, install was simple. Zero wind noise on the highway!
Leveling kit components were well packed. Instructions lacking, but online videos helped. Rides level now and feels planted.
Found single lifter pairs in stock here when others required full sets, fast shipping got me racing again, hell yeah!!
Rear bumper upgrade looks better than factory plastic. Install was easy, and functionality is miles ahead. Highly recommended.
Tonneau cover fit is excellent. Clear instructions and a smooth install. Delivery to my door was super convenient
Turbo arrived next morning and matched description. Bolted up cleanly and truck is back to full power.
Husband’s birthday grille guard is rock solid, looks sharp he loves it so much!!! Thanks again
Customer service handled a damaged shipment immediately. Refund was painless. I’ll shop here again.
Exhaust system installed in two hours on my first try. Perfect fit and the sound is pure joy.
Need help? We're available at (877) 743-7862 or email us at: sales@shdp.ca
Ship To Your Home or Pick Up In Store
Cash, Debit, Credit, PayPal, and Financing
Shop With Confidence
Get the Help You Need