Auto HomeShopCrate EnginesRoush Industries Inc. Crate Engines 427IRFS-C

Description

Roush 427IRFS-C 427 C.I.D. Crate Engine – Fuel-Injected Small Block Ford Power for Classic & Custom Builds

Unleash Legendary Ford 427 Performance with Modern Fuel Injection by ROUSH

The Roush 427IRFS-C Crate Engine is the ultimate solution for builders who want classic 427 cubic inch Ford small-block power with the modern reliability and drivability of electronic fuel injection. Engineered and assembled by Roush Industries Inc., this engine delivers 560+ horsepower and 540+ lb-ft of torque—all with street-friendly manners and bulletproof construction.

Whether you’re building a restomod, hot rod, Cobra replica, or Pro-Touring machine, the Roush 427IRFS-C brings big-inch Ford power in a fully turn-key package, complete with an 8-stack fuel injection system that blends classic looks with modern EFI performance.


🔧 Roush 427IRFS-C Crate Engine Key Specifications

Feature Details
Displacement 427 CID / 7.0L
Horsepower 560+ HP
Torque 540+ lb-ft
Compression Ratio 10.5:1
Block Material Cast Iron or Dart Block (Verify)
Cylinder Heads Roush-Aluminum, CNC Ported
Camshaft Hydraulic Roller, Performance Grind
Induction 8-Stack Fuel Injection (Classic Look, EFI Performance)
Fuel Delivery Multi-Port Electronic Fuel Injection
Ignition Complete Ignition System Included
Oil Pan Included
Water Pump Included
Harmonic Balancer Included
Flywheel/Flexplate Not Included
Wiring Harness / ECU Included
Warranty 2-Year / 24,000-Mile Roush Limited Warranty

Why Choose the Roush 427IRFS-C?

Fuel-Injected 8-Stack System

Classic Weber-style looks with modern EFI control—drivability with the vintage wow factor.

Big Power, Big Torque

Over 560HP and 540 lb-ft of torque from a hand-assembled 427 cubic inch Ford V8.

Turnkey Solution

Includes wiring harness, ECU, water pump, ignition system—engineered for simplicity and reliability.

Ideal for High-End Builds

Whether it’s a Cobra replica, classic Ford muscle car, or Pro-Touring machine, this engine brings both performance and prestige.


📦 What’s Included

  • Complete Assembled 427 Crate Engine

  • 8-Stack EFI Induction System

  • ECU & Wiring Harness

  • Water Pump

  • Harmonic Balancer

  • Oil Pan

  • Ignition System

  • Dyno-Tested with Printout Included


🛠️ Ideal Applications for This Engine

Application Why It’s Ideal
Cobra Replicas Classic look, modern drivability, period-correct sound
Restomods / Hot Rods Big power, turnkey installation, stunning underhood
Pro-Touring Builds High torque, streetable EFI tuning, reliable for track use
Classic Mustangs / Fords Blends heritage performance with updated technology