Page loaded at: April 29, 2025, 9:52 am server time
Holley EFI 2X4 Terminator Stealth Main Harness
Product image(s) are for illustration purposes only.
Actual product may vary.

HO558-121 - Holley EFI 2X4 Terminator Stealth Main Harness

SKU: HO558-121

Part Type: Wiring Harnesses - Engine/Air/Fuel Control

Brand: Holley EFI

Holley EFI

Availability: 1 to 3 Days - From Warehouse

Price: $916.05



Ships within 3 online business day(s) of cleared payment.
Orders after 2pm (South Australian Time) are processed the next online business day.

Estimate 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!

Features:

·        2x4 Side Mount Stealth Throttle Bodies – Provide the great looks of a classic Holley 4150 Carburetor, without any of the hassles

·        Multiple Colour 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

Categories Air & Fuel Delivery, Ignition & Electrical
Weight 1.2900
Manufacturer Part Number 558-121
Brand Holley EFI
Part Type Wiring Harnesses - Engine/Air/Fuel Control
Interchange Part Number 558-121
Similar Products

AEROFLOW AIR INTAKE SENSOR HARNESS FITS HOLDEN VE COMMODORE

SKU: AF49-1513

$26.00


AEROFLOW MAP SENSOR ADAPTOR HARNESS FITS GM LS1 TO LS3

SKU: AF49-1533

$24.60


AEROFLOW ADAPTER LOOM 100MM LONG FITS BOSCH INJECTOR TO USCAR PLUG

SKU: AF49-1602

$16.00


HOLLEY EFI SYSTEM WIRING HARNESS CAN SPLITTER TERM-X/SNIPER

SKU: HO558-465

$119.60