Chevrolet Performance LS 376/515 LS3 Long Block Crate Engines 19370412

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! Brand: Chevrolet Performance Manufacturer’s Part Number: 19370412 Part Type: Crate Engines Product Line: Chevrolet Performance LS 376/515 LS3 Long Block Crate Engines Summit Racing Part Number: NAL-19370412 Crate Engine Family: Chevy LS Actual Engine Displacement: 6.2L/376 Crate Engine Cylinder Head Material: Aluminum Engine Block Material: Aluminum Advertised Compression Ratio: 10.7:1 Assembled: Yes Engine Balance: Internal Cam Style: Hydraulic roller, OE roller Rear Main Seal Style: 1-piece Intake Manifold Included: Yes Intake Manifold Style: Carbureted Cylinder Heads 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: 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.