LS376/515 533HP Carbureted LS3 Crate Engine

Classic Carburetor Feel with Modern LS3 Performance

The LS376/515 533HP Carbureted LS3 Crate Engine delivers the best of both worlds—modern LS3 performance combined with the simplicity and classic appeal of a carbureted setup. Designed for hot rods, muscle cars, street rods, and custom performance builds, this engine provides impressive horsepower, strong torque, and the reliability of Chevrolet Performance engineering.

Built on the proven 6.2L LS3 Gen IV small-block V8 platform, the LS376/515 combines high-flow cylinder heads, a performance camshaft, and a carbureted intake system to create a powerful and easy-to-integrate engine package for traditional-style builds.

High-Performance LS3 Power

Producing approximately 533 horsepower, this carbureted LS3 crate engine offers excellent throttle response, aggressive performance, and the classic engine character many enthusiasts prefer. The hydraulic roller camshaft and LS3 rectangular-port cylinder heads provide outstanding airflow and power throughout the RPM range while maintaining strong street drivability.

The carbureted design eliminates the complexity of modern fuel injection systems, making it an excellent choice for builders who want straightforward installation and traditional V8 tuning characteristics.

Key Features

• Chevrolet Performance LS376/515 Carbureted LS3 Crate Engine
• 6.2L (376CI) Gen IV LS-series V8
• Approximately 533 horsepower
• Carbureted fuel delivery for classic-style builds
• LS3 high-flow aluminum cylinder heads
• Hydraulic roller camshaft
• Lightweight aluminum engine block
• Performance-oriented rotating assembly
• Excellent throttle response and street performance
• Ideal for muscle cars, hot rods, street rods, and custom applications

Built for Custom Performance Projects

The LS376/515 Carbureted LS3 is designed for enthusiasts who want modern LS reliability without sacrificing the traditional appearance and simplicity of a carbureted engine. Its compact LS dimensions make it easier to install than traditional big-block engines while delivering comparable levels of performance.

Perfect for:

• Classic muscle car restorations
• Street rod builds
• Hot rods
• Pro-touring vehicles
• Custom engine swaps
• Performance street applications

Why Choose the LS376/515 Carbureted LS3?

• 533 HP LS3 performance
• Modern LS reliability with classic carburetor simplicity
• Excellent power-to-weight ratio
• Easy tuning and installation
• Proven Chevrolet Performance engineering
• Perfect combination of old-school style and modern horsepower

The LS376/515 533HP Carbureted LS3 Crate Engine delivers the legendary LS3 power enthusiasts love with the traditional carbureted setup that makes classic builds unique.