Holley HP EFI Universal MPI Retrofit Kits – Squarebore/4150

Holley HP EFI Universal MPI Retrofit Kits – Squarebore/4150

The Holley HP EFI Universal MPI Retrofit Kits – Squarebore/4150 provide a versatile multi-port fuel injection solution designed to fit any V8 single plane 4bbl intake manifold. This kit includes injector bungs, un-machined fuel rails, wiring, ECU, sensors, and a squarebore/4150 throttle body, allowing you to upgrade your Mopar, Ford, or other American V8 engines with modern EFI technology for improved performance and tunability.

Key Features

• Compatible with any V8 single plane 4bbl intake manifold via included injector bungs and fuel rails
• Advanced Holley HP EFI ECU with self-tuning, boost control, and integrated nitrous management
• Supports ignition timing control, coil-per-cylinder ignition, and multiple fueling strategies
• Includes wiring harness, sensors, and squarebore/4150 throttle body for a complete retrofit

Fitment

• Designed for Mopar, Ford, and other American V8 engines with single plane 4bbl intake manifolds
• Fits intake manifolds compatible with Squarebore/4150 throttle bodies

Note: Fuel pump and injectors are not included and must be selected separately to match your engine setup. Verify intake manifold compatibility before ordering. Professional installation and tuning are recommended to maximize performance.