🔥 ATK Chrysler 360 Magnum 320 HP Stage 3 Long Block Crate Engine – High-Performance Mopar Power!
🏆 Upgrade your Mopar build with the ATK Chrysler 360 Magnum 320 HP Stage 3 Long Block Crate Engine!
The ATK Chrysler 360 Magnum 320 HP Stage 3 Long Block Crate Engine is engineered for Mopar enthusiasts looking for a street-friendly high-performance engine. Featuring a rebuilt OE Magnum block, this 5.9L (360 CI) V8 is balanced externally and comes fully assembled, saving you time and effort.
With a hydraulic roller camshaft, hypereutectic pistons, and Magnum 65cc cylinder heads, this engine delivers smooth power, great throttle response, and excellent torque for daily driving or weekend cruising.
🔥 A high-performance Mopar small block built for maximum street fun!
🔹 What’s Included in the Long Block?
✅ Seasoned OE Magnum Block – Rigorously tested & remanufactured for strength
✅ OE-Cast Crankshaft & Steel Connecting Rods – Ensures longevity under load
✅ Hypereutectic Pistons & Piston Rings – Lightweight and durable for optimized performance
✅ Hydraulic Roller Camshaft – Smooth idle with great power delivery
✅ Magnum 65cc Cylinder Heads – High-flow cast iron heads for increased efficiency
✅ Steel Rocker Arms (1.6 Pedestal) – OE-spec for reliability
✅ Brass Freeze Plugs & Sealed Oil Galley Plugs – Pre-installed to prevent leaks
✅ Carburetor & Intake Manifold – Factory-style induction system for easy installation
✅ Distributor, Spark Plugs & Wires – Ready for ignition setup
✅ Valve Covers & Oil Pan – Pre-installed for a clean factory look
✅ Timing Cover & Water Pump – Essential components included
✅ Harmonic Balancer – Ensures smooth engine operation
⚠️ Does NOT include flexplate, flywheel, air cleaner, computer, or wiring harness.
🔹 Technical Specifications
| Feature | Details |
|---|---|
| Brand | ATK High Performance Engines |
| Manufacturer’s Part # | HP73C |
| Product Type | Long Block Crate Engine |
| Crate Engine Family | Mopar Small Block Magnum |
| Horsepower | 320 HP |
| Torque | Estimated High Torque Output |
| Displacement | 5.9L / 360 CI |
| Compression Ratio | Estimated around 9.0:1 |
| Block Material | Cast Iron |
| Crankshaft Material | OE-Cast |
| Connecting Rods | OE Steel |
| Piston Material | Hypereutectic Aluminum |
| Camshaft Type | Hydraulic Roller |
| Intake Duration (@ .050″) | TBD (Mopar Magnum Spec) |
| Exhaust Duration (@ .050″) | TBD (Mopar Magnum Spec) |
| Lobe Separation | TBD |
| Cylinder Head Material | Cast Iron |
| Chamber Size | 65cc |
| Intake Manifold Style | Carbureted |
| Carburetor Included? | ✅ Yes |
| Distributor Included? | ✅ Yes |
| Spark Plug Wires Included? | ✅ Yes |
| Valve Covers Included? | ✅ Yes |
| Oil Pan Included? | ✅ Yes |
| Timing Cover Included? | ✅ Yes |
| Water Pump Included? | ✅ Yes |
| Harmonic Balancer Included? | ✅ Yes |
| Flywheel/Flexplate Included? | ❌ No |
| Computer Included? | ❌ No |
| Wiring Harness Included? | ❌ No |
| Supercharger Included? | ❌ No |
💪 A true Mopar small-block powerhouse ready to drop into your build!
🔹 Fitment & Compatibility
✔ Direct replacement for Mopar small-block applications
✔ Ideal for Dodge, Plymouth, and Chrysler muscle cars
✔ Works with most aftermarket transmission setups
✔ Compatible with classic Mopar engine mounts & accessories
💡 Confirm fitment with your vehicle before ordering. Some modifications may be required.
🔹 Installation Notes & Recommendations
🔧 Easy Installation – Factory-style components make this a simple swap
⚙️ Requires 91+ Octane Fuel – Optimized for premium gasoline
🔥 Balanced for Smooth Operation – Externally balanced engine
⚠️ Check compatibility with your transmission and motor mounts before purchase.
❓ Frequently Asked Questions (FAQ)
🔹 Is this a turnkey engine?
- No, but it comes as a nearly complete long block. You will need to add accessories like an air cleaner and exhaust system.
🔹 Can I use this engine in my classic Dodge Charger or Plymouth Barracuda?
- Yes! This engine is ideal for Mopar muscle cars with small-block applications.
🔹 Does it come with a carburetor?
- Yes, a factory-style carburetor is included.
🔹 What fuel should I use?
- 91+ octane premium fuel is recommended for best performance.
🔹 Does it include a warranty?
- This is a remanufactured engine. Warranty details should be verified with ATK High Performance.
🔥 Order Your ATK Chrysler 360 Magnum 320 HP Stage 3 Long Block Crate Engine Today!
🏆 Unleash Mopar power with the ATK Chrysler 360 Magnum 320 HP Crate Engine!
✔ High-Performance 5.9L Magnum Engine for Classic Mopars
✔ Fully Assembled Long Block – Ready for Installation
✔ Hydraulic Roller Camshaft & Magnum Heads for Maximum Power
✔ Reliable, Street-Friendly, and Ideal for Performance Builds
🛒 ORDER NOW & TURN YOUR MOPAR INTO A BEAST! 🚗💨
ATK Chrysler 360 engines include:
* Seasoned OE Magnum block
* OE-cast crankshaft
* OE steel connecting rods
* Hypereutectic pistons
* Piston rings
* Hydraulic roller camshaft
* Magnum 65cc cylinder heads
* Steel rocker arms 1.6 pedestal
* Brass freeze plugs installed and sealed
* Oil galley plugs installed and sealed
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