🔥 Chevrolet Performance LS 376/515 LS3 Long Block Crate Engine (19370412) – High-Revving Powerhouse!
🏆 Unleash extreme power with the Chevrolet Performance LS 376/515 LS3 Long Block Crate Engine!
The Chevrolet Performance LS 376/515 LS3 Long Block Crate Engine (19370412) is a performance-focused version of the LS3, featuring an aggressive camshaft that increases output to 515 HP and 483 lb-ft of torque. The carbureted intake manifold setup makes it an excellent choice for classic muscle cars and custom builds, allowing for a simplified fuel system while retaining modern LS power.
🔥 Big horsepower in a lightweight LS package!
⚠️ Requires a compatible carburetor, ignition system, and fuel system for full operation.
🔹 What’s Included in the LS 376/515 Crate Engine?
✅ Aluminum Engine Block & Heads – Provides maximum strength and lightweight performance
✅ Aggressive Hydraulic Roller Camshaft – Features high lift and duration for maximum horsepower
✅ Performance-Optimized Cylinder Heads – Designed for high airflow and combustion efficiency
✅ Carbureted Intake Manifold – Allows for easy integration with classic and performance builds
✅ Harmonic Balancer – Ensures smooth engine operation
✅ Water Pump & Timing Cover – Provides efficient cooling and proper camshaft timing
✅ Oil Pan & Valve Covers – Protects internal components and enhances durability
✅ Spark Plugs Included – Optimized for high-performance ignition and combustion efficiency
⚠️ EXCLUDES carburetor, throttle body, distributor, ignition components, flywheel, flexplate, computer, and wiring harness.
🔹 Technical Specifications
| Feature | Details |
|---|---|
| Brand | Chevrolet Performance |
| Manufacturer’s Part # | 19370412 |
| Product Type | Crate Engine |
| Summit Racing Part # | NAL-19370412 |
| Crate Engine Family | Chevy LS |
| Actual Displacement | 6.2L / 376 cubic inches |
| Assembled? | ✅ Yes |
| Engine Block Material | Aluminum |
| Cylinder Head Material | Aluminum |
| Advertised Compression Ratio | 10.7:1 |
| Engine Balance | Internal |
| Camshaft Type | Hydraulic Roller |
| Rear Main Seal Style | 1-Piece |
| Intake Manifold Included? | ✅ Yes (Carbureted) |
| 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? | ✅ Yes |
| Harmonic Balancer Included? | ✅ Yes |
| Flexplate Included? | ❌ No |
| Flywheel Included? | ❌ No |
| Air Cleaner Included? | ❌ No |
| Spark Plugs Included? | ✅ Yes |
| Spark Plug Wires Included? | ❌ No |
| Computer Included? | ❌ No |
| Wiring Harness Included? | ❌ No |
| Supercharger Included? | ❌ No |
| Quantity | Sold Individually |
💪 Built for high RPMs, track performance, and aggressive driving!
🔹 Fitment & Compatibility
✔ Perfect for high-performance street builds, drag racing, and pro-touring applications
✔ Designed for seamless integration with carbureted fuel systems
✔ Ideal for classic Chevy muscle cars, hot rods, and high-horsepower builds
💡 Ensure your fuel system, ignition, and drivetrain components are compatible before ordering!
🔹 Installation Notes & Recommendations
🔧 Professional Installation Recommended – Ensures correct fitment, tuning, and performance
⚙️ Requires a Compatible Carburetor & Ignition System – Not included with the crate engine
🔩 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 LS 376/515 produces 515 HP at 6,600 RPM and 483 lb-ft of torque at 5,200 RPM.
🔹 What’s different between this LS3 and a standard LS3?
- This version of the LS3 features a more aggressive camshaft, increasing horsepower from 430 HP to 515 HP, making it ideal for high-RPM power and performance applications.
🔹 Does it come with an intake manifold and fuel system?
- Yes, it includes a carbureted intake manifold but does NOT include a carburetor or throttle body. These must be purchased separately.
🔹 Can I install this engine in a classic Chevy muscle car?
- Yes! This Chevy LS 376/515 is an ideal upgrade for classic Camaro, Corvette, Chevelle, Nova, and other high-performance builds.
🔹 Does this engine require a specific fuel type?
- Yes, it requires premium fuel (91 octane or higher) due to its 10.7:1 compression ratio.
🔥 Order Your Chevrolet Performance LS 376/515 LS3 Long Block Crate Engine Today!
🏆 Upgrade your classic Chevy or performance build with the high-revving power of the Chevrolet Performance LS 376/515 LS3 Long Block Crate Engine!
✔ 515 HP & 483 lb-ft of Torque for Extreme Performance
✔ Complete Long Block Assembly with Aggressive Camshaft
✔ Ideal for Classic Chevy Restorations, Race Cars, and Custom Builds
✔ Built for Maximum Power, Durability, and High-RPM Performance
🛒 ORDER NOW & UNLEASH THE FULL POTENTIAL OF LS POWER! 🚗💨
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