558-439 Terminator EFI Throttle Body Wiring Harness

Name: 558-439 Terminator EFI Throttle Body Wiring Harness
Brand: HOLLEY
SKU: 510-558-439
Price: 265.95 USD
Availability: InStock

^$265⁹⁵

Ships on 09/09/2026

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Terminator EFI Wiring Harnesses

Terminator EFI Throttle Body Wiring Harness

Designed For 205 lb/hr Terminator Injector Upgrade Kit 510-522-205

Holley 558-439 Features:

Injector upgrade harness for Terminator Throttle Body Systems. This harness is designed to be plug and play with our 205 lb/hr injector upgrade kit, Part Number 522-205.

Emissions Note:

This part is only legal for sale and use on Uncontrolled (Non-Emissions Controlled) Vehicles or on vehicles used solely for the purposes of closed competition racing.

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Part TypeEngine Control Module Wiring Harness

BrandHOLLEY

Package Height4.0

Package Width6.7

Package Length12.6

Weight0.75 PG

Part CategoryPerformance Parts

Part FitmentSemi Universal

Vendor Part Number558-439

Package Qty1

Package TypeEA

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Some parts are not legal for use in California or other states with similar laws / regulations

558-439 Terminator EFI Throttle Body Wiring Harness

Holley 558-439 Features:

⚠️ Warning

Motor Vehicles

Tools

Electrical Cords