🔥 Roush 427IR Crate Engine (BD427IRC) – High-Performance Power for Street & Track!
🏆 Unleash raw power with the Roush 427IR Crate Engine!
The Roush 427IR Crate Engine (BD427IRC) is a high-displacement, naturally aspirated monster, optimized for raw power and exceptional durability. With its race-ready internals, high-flow induction system, and precision tuning, this crate engine is the ultimate choice for muscle car enthusiasts and competitive racers.
🔥 A powerhouse designed to push the limits of speed, performance, and acceleration!
⚠️ Requires custom fuel system, ignition, and tuning for optimal performance.
🔹 What’s Included in the Roush 427IR Crate Engine?
✅ High-Performance Engine Block & Heads – Engineered for maximum strength and power output
✅ Internally Balanced Rotating Assembly – Ensures smooth, high-RPM operation
✅ Race-Optimized Cylinder Heads – Enhances airflow, fuel atomization, and combustion efficiency
✅ Custom-Tuned Induction System – Delivers instant throttle response and explosive acceleration
✅ Performance Camshaft & Valvetrain – Designed for high lift and duration, maximizing powerband
⚠️ EXCLUDES fuel injection system, ignition system, computer, wiring harness, and exhaust components.
🔹 Technical Specifications
| Feature | Details |
|---|---|
| Brand | Roush Industries Inc. |
| Manufacturer’s Part # | BD427IRC |
| Product Type | Crate Engine |
| Summit Racing Part # | ROI-BD427IRC |
| Crate Engine Family | Roush Racing |
| Actual Displacement | 7.0L / 427 C.I.D |
| Assembled? | ✅ Yes |
| Engine Block Material | High-Performance Cast Iron |
| Cylinder Head Material | Aluminum |
| Engine Balance | Internally Balanced |
| Camshaft Type | High-Performance Hydraulic Roller |
| Rear Main Seal Style | 1-Piece |
| Induction System Included? | ✅ Yes |
| Carburetor Included? | ❌ No |
| Throttle Body Included? | ❌ No |
| Distributor Included? | ❌ No |
| Oil Pan Included? | ✅ Yes |
| Valve Covers Included? | ✅ Yes |
| Timing Cover Included? | ✅ Yes |
| Water Pump Included? | ❌ No |
| Harmonic Balancer Included? | ✅ Yes |
| Flexplate Included? | ❌ No |
| Flywheel Included? | ❌ No |
| Air Cleaner Included? | ❌ No |
| Spark Plugs Included? | ❌ No |
| Spark Plug Wires Included? | ❌ No |
| Computer Included? | ❌ No |
| Wiring Harness Included? | ❌ No |
| Supercharger Included? | ❌ No |
| Quantity | Sold Individually |
💪 Built for maximum torque, horsepower, and high-RPM performance!
🔹 Fitment & Compatibility
✔ Perfect for high-performance street builds, drag racing, and pro-touring applications
✔ Designed for seamless integration with aftermarket fuel injection or carburetor setups
✔ Ideal for classic muscle cars, custom hot rods, and high-horsepower builds
💡 Ensure your vehicle’s fuel and ignition system can handle the power of this extreme crate engine!
🔹 Installation Notes & Recommendations
🔧 Professional Installation Required – Ensures correct fitment, tuning, and peak performance
⚙️ Requires Aftermarket Fuel System & Ignition – Not included with the crate engine
🔩 Designed for High-Octane Performance Fuel – Requires premium or race fuel for optimal results
⚠️ 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 427IR Crate Engine is designed for extreme horsepower and torque, with exact figures depending on fuel setup, tuning, and supporting modifications. Contact Roush for dyno specifications.
🔹 Does this engine come with an ECU and wiring harness?
- No, this engine requires a standalone ECU and custom tuning for optimal performance.
🔹 Can I install this engine in a street car?
- Yes! While primarily designed for high-performance builds, this engine can be used in street applications with proper emissions and tuning modifications.
🔹 What fuel does this engine require?
- Premium 91+ octane fuel or racing fuel is recommended for maximum performance and engine longevity.
🔹 Does it include forced induction?
- No, but it is compatible with aftermarket superchargers or turbocharger setups.
🔥 Order Your Roush 427IR Crate Engine Today!
🏆 Upgrade your classic muscle car or custom build with the high-performance Roush 427IR Crate Engine!
✔ Massive 427 C.I.D Displacement for Extreme Power
✔ Built for High-RPM Racing & Street Domination
✔ Dyno-Tested & Proven for Track and Street Use
✔ Designed for Custom Builds, Drag Racing, and Pro-Touring Applications
🛒 ORDER NOW & EXPERIENCE UNMATCHED PERFORMANCE! 🚗💨
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