The Roush 427 R Crate Engine (BD427RC) is engineered for high-performance street and track applications. With a 9.8:1 compression ratio, a hydraulic roller camshaft, and high-flow aluminum heads, this engine delivers explosive acceleration, crisp throttle response, and smooth drivability.

A dyno-tested, race-inspired powerhouse for serious performance builds!

⚠️ Requires a compatible ignition system, exhaust setup, and drivetrain components for full integration.

What’s Included in the 427 R Crate Engine?

✅ Fully Assembled 427 C.I.D Windsor-Based Small Block – Built for maximum durability and power
✅ High-Performance Carburetor – Delivers classic throttle response and fuel efficiency
✅ Hydraulic Roller Camshaft & High-Flow Cylinder Heads – Enhances powerband and throttle response
✅ Harmonic Balancer & Timing Cover Included – Ensures smooth operation and accurate timing
✅ Oil Pan & Valve Covers – Protects internal components and enhances durability
✅ Water Pump Included – Ensures optimal engine cooling
✅ Spark Plugs & Wires Included – Provides a complete ignition setup
✅ Flywheel Included – Compatible with manual transmissions

⚠️ EXCLUDES ignition distributor, throttle body, flexplate, and wiring harness.

Technical Specifications

Designed for high-horsepower street and track performance with classic carbureted power!

Fitment & Compatibility

✔ Perfect for classic Ford Mustangs, Shelby Cobras, and pro-touring builds
✔ Designed for seamless installation with aftermarket ignition and exhaust systems
✔ Ideal for high-performance street and track applications

Ensure your transmission, cooling, and ignition components are compatible before ordering!

Installation Notes & Recommendations

Professional Installation Recommended – Ensures correct fitment, tuning, and performance
⚙️ Compatible with Carbureted Fuel Systems – Requires a suitable ignition distributor
Requires Premium Fuel (91 Octane or Higher) – Designed for high-performance applications

⚠️ Not emissions-certified—intended for off-road or racing applications.

❓ Frequently Asked Questions (FAQ)

What is the horsepower and torque output of this engine?

• The Roush 427 R Crate Engine delivers massive power and torque for street and race applications. Contact Roush for exact power ratings.

Is this engine fuel injected or carbureted?

• This engine comes with a high-performance carburetor for classic throttle response and ease of tuning.

Does it include a transmission or ECU?

• No, this package does NOT include a transmission or ECU. These must be purchased separately based on your application.

Can I install this engine in a classic Mustang or Cobra replica?

• Yes! This 427 C.I.D Windsor-based small block is an ideal upgrade for classic Mustangs, Shelby Cobras, and hot rods.

Does this engine require a specific fuel type?

• Yes, it requires premium fuel (91 octane or higher) due to its high-performance tuning.

Order Your Roush 427 R Crate Engine Today!

Upgrade your classic Ford or custom build with the high-performance power of the Roush 427 R Crate Engine!

✔ 7.0L/427 C.I.D Small-Block Windsor with Carburetor
✔ Dyno-Tested & Roush-Calibrated for Maximum Power
✔ Ideal for Classic Ford Restorations, Pro-Touring Builds, and Muscle Cars
✔ Built for High-Performance, Reliability, and Track-Ready Power

ORDER NOW & EXPERIENCE THE LEGENDARY PERFORMANCE OF ROUSH!