In Stock
Inspected & Documented
Condition notes recorded before palletizing.
30-Day Startup Warranty
Covers block, heads and internal moving components.
In Stock & Ready to Freight
Crate Engines
Roush Industries Inc. Crate Engines BD347IRC
$13,148.25
+ $295.00 flat-rate insured LTL freight
(details)
$13,443.25 delivered to the continental US
- Palletized and heavy shrink-wrapped for freight
- LTL carrier delivery with optional liftgate service
- Ships in 1–2 business days from Los Angeles, CA
- Transit typically 3–7 business days, continental US
Secure checkout by Stripe
Need a matched transmission, controls or wiring package? Speak with a parts specialist.
Details & Inspection Notes
Roush 347IR Crate Engine (BD347IRC), High-Performance Small-Block Power for Street & Track!
Upgrade your ride with the Roush 347IR Crate Engine!
The Roush 347IR Crate Engine (BD347IRC) is a naturally aspirated small-block powerhouse, delivering exceptional throttle response, impressive torque, and high-RPM stability. Designed for performance street driving and occasional track use, this engine is precision-engineered with race-proven components to maximize durability and power output.
A high-revving small-block designed to push performance to the next level!
Requires aftermarket fuel system, ignition, and tuning for peak performance.
What’s Included in the Roush 347IR Crate Engine?
High-Performance Engine Block & HeadsEngineered for maximum strength and reliability
Internally Balanced Rotating AssemblyProvides smooth, high-RPM operation
Race-Optimized Cylinder HeadsEnhances airflow, combustion, and efficiency
Custom-Tuned Induction SystemDelivers instant throttle response and strong powerband
Performance Camshaft & ValvetrainDesigned for high lift and duration, maximizing power output
EXCLUDES fuel injection system, ignition system, computer, wiring harness, and exhaust components.
Technical Specifications
| Feature | Details |
|---|---|
| Brand | Roush Industries Inc. |
| Manufacturer’s Part # | BD347IRC |
| Product Type | Crate Engine |
| Summit Racing Part # | ROI-BD347IRC |
| Crate Engine Family | Roush Racing |
| Actual Displacement | 5.7L / 347 C.I.D |
| Assembled? | Yes |
| Engine Block Material | High-Performance Cast Iron |
| Cylinder Head Material | Aluminum |
| Engine Balance | Internally Balanced |
| Camshaft Type | 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 |
Engineered for maximum torque, high-RPM performance, and durability!
Fitment & Compatibility
Perfect for classic muscle cars, street machines, and custom pro-touring builds
Designed for seamless integration with aftermarket fuel injection or carburetor setups
Ideal for lightweight performance cars and classic high-revving V8 builds
Ensure your vehicle’s fuel and ignition system can handle the power of this high-performance crate engine!
Installation Notes & Recommendations
Professional Installation RecommendedEnsures correct fitment, tuning, and performance
Requires Aftermarket Fuel System & IgnitionNot included with the crate engine
Designed for High-Octane Performance FuelRequires 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 347IR Crate Engine is built for high-performance applications, with output varying based 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 347IR Crate Engine Today!
Take your build to the next level with the high-performance Roush 347IR Crate Engine!
High-Revving 347 C.I.D Small-Block for Maximum Power
Built for Performance Street & Track Applications
Dyno-Tested & Proven for Peak Horsepower and Torque
Designed for Custom Builds, Drag Racing, and Pro-Touring Applications
ORDER NOW & EXPERIENCE UNMATCHED PERFORMANCE!
Brand: Roush Industries Inc.
Manufacturer’s Part Number: BD347IRC
Part Type: Crate Engines
Summit Racing Part Number: ROI-BD347IRC
Startup & Installation Checklist
- Replace timing components, water pump and plugs before initial startup where applicable.
- Refill all fluids with manufacturer-specified oil and coolant.
- Verify sensors, ECU pinouts and grounds against your chassis or hull wiring.
- Startup warranty covers heads, block and internal lubricated components for 30 days from delivery.
Full terms: 30-day startup warranty · returns
