Holley HP EFI Universal MPI Retrofit Kits – Dominator/4500

Holley HP EFI Universal MPI Retrofit Kits – Dominator/4500

The Holley HP EFI Universal MPI Retrofit Kits – Dominator/4500 provide a versatile multi-port fuel injection solution designed to fit any V-8 single plane 4bbl intake manifold. This kit is ideal for Mopar, Ford, and other American V8 engines, offering a fully configurable EFI system that includes injector bungs, un-machined fuel rails, wiring, ECU, sensors, and a Dominator/4500 throttle body. Select your preferred fuel pump and injectors to upgrade your engine’s performance with modern EFI technology.

Key Features

• Compatible with any V-8 single plane 4bbl intake manifold via included injector bungs and fuel rails
• Advanced Holley HP ECU with V2 software featuring quick start fueling and ignition strategies
• Integrated boost control, traction control, nitrous control (wet and dry), and water/methanol injection support
• 8 injector drivers supporting up to 16 injectors, distributorless ignition outputs, and wideband O2 sensor control
• Comprehensive data logging with 2GB memory and full laptop gauge panel customization
• Supports forced induction, knock retard, CAN-BUS, and multiple fueling strategies including speed density and Alpha-N
• Self-tuning and user-tuneable for easy setup and fine tuning
• Durable sealed connectors and fully potted ECU for engine compartment or interior mounting

Fitment

• Fits any V-8 single plane 4bbl intake manifold (injector bungs and fuel rails require modification)
• Designed for Mopar, Ford, GM, and other American V8 engines

Note: Fuel pump, fuel injectors, and some sensors are not included and must be selected separately. Verify compatibility and plan for fuel system modifications before installation. Professional tuning is recommended for optimal performance.