1968-1995 Ford Mustang Foxbody 5.0L Engine Main Harness - 558-128 - Holley EFI
- Part #MA0466
- OEM Part #558-128
MSRP $576.52
Sale Price
$499.99
Affirm - Available for US shipments only.
Stock Status:
Available Please allow additional time for delivery. This item requires special handling or may ship directly from our supplier.
Fitment & Application
Notes: Plug & Play with fuel injected 5.0L Small Block Ford Engines. Compatible W/Holley EFI Dominator/HP/Terminator X/X Max ECUs.
Also Fits: 2011-2024 Ford Mustang
Features/Benefits
- 5.0L FORD ENGINE MAIN HARNESS
- Plug and Play with fuel injected 5.0L Small Block Ford Engines
- This part is legal for sale or use on Racing Use Only Vehicles
- Overview:
- This harness is for fuel injected small block ford engines, such as 5.0L, or 5.8L Windsor powerplants. Plug and play ignition capability with Dual Sync and HyperSpark Distributors, ignition adapter 558-305 is required for applications with a TFI distributor. The 5.0L Ford main harness is pre-terminated with Ford PWM IAC connector, for the OEM PWM - idle air control motor commonly found on late 80's and early 90's engines. Compatible with Holley EFI Dominator, HP, and Terminator X and X Max ECU's.
- Features:
- Designed for use with fuel injected small block ford engines, such as 5.0L, or 5.8L Windsor powerplants.
- Plug and play ignition capability with Dual Sync and HyperSpark Distributors, for ignition adapter 558-305 is required for applications with a TFI distributor
- Compatible with Holley EFI Dominator, HP, and Terminator X and X Max ECU's
- Comes pre-terminated with Ford PWM IAC connector, for OEM PWM - idle air control motors
- For use with OEM Ford fuel injectors, use injector harness 558-209.
- Emissions Code: 4
- This part is legal for sale or use on Racing Use Only Vehicles
- Due to the complexity and specificity of electrical components such as wiring harnesses, switches, relays, et al., we do not accept returns unless the item is patently defective upon receipt (e.g., broken in the bag, cut wires). We understand that receiving a defective product is frustrating, if you receive an electrical component that is defective upon arrival, please contact us within 3 business days of receipt. Otherwise, standard manufacturer warranties will apply.
- Engineered to Meet or Exceed OEM Specifications
- OEM Part Number: 558-128
- Associated Years: 1968-1995
- Notes: Plug & Play with fuel injected 5.0L Small Block Ford Engines. Compatible W/Holley EFI Dominator/HP/Terminator X/X Max ECUs.
- Item Quantity Size: 1 EA
- Shipping Dimensions (LxWxH): 15.3in x 4.4in x 14.3in
- Weight: 4.1 pounds
- Tariff Code: 8409914000
- Keywords: Engine Wiring Harness, Fuel Injection & Related Components, Restomod, Wiring Harness & Related Components
Additional Details
- The following vehicles are considered Racing Use Only Vehicles:
- Racing Use Only Vehicles are vehicles that are used exclusively for competition that are not registered and that may never be used on the street.
- WARNING: It is against the law to install this part on an Emissions Controlled Vehicle
- Shop Retail Mustang Parts & Accessories
- Shop Wholesale Mustang Parts & Accessories
- Fits Year: 1968, 1969, 1970, 1971, 1972, 1973, 1974, 1975, 1976, 1977, 1978, 1979, 1980, 1981, 1982, 1983, 1984, 1985, 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024
- Fits Generation: First Generation Mustang, Second Generation Mustang, Third Generation Mustang, Fourth Generation Mustang
