Blueprint Engines Chevy Ls 376 C.I.D. 520Hp Long Block Crate Engines Psls3760Ct

The Blueprint Engines Chevy LS 376 C.I.D. 520 HP Long Block Crate Engine (PSLS3760CT) represents a modern evolution of Chevrolet’s legendary LS platform — delivering proven power, efficiency, and strength for high-performance builds.

This 376 cubic inch (6.2L) long block features a forged rotating assembly, aluminum high-flow cylinder heads, and a hydraulic roller camshaft optimized for strong mid-range and top-end performance. Each unit is blueprinted, balanced, and dyno-tested in the USA using 100% new components — never remanufactured parts — ensuring consistent performance and long-term reliability.

With approximately 520 HP and 480 lb-ft of torque under factory test conditions, the PSLS3760CT is an ideal foundation for naturally aspirated or forced-induction projects.

As a long block assembly, it includes the major internal components — ready for your choice of intake, ignition, and fuel system to complete your custom setup.

Performance Overview:

• Factory-tested output: approx. 520 HP / 480 lb-ft torque

• Modern LS architecture for superior performance and efficiency

• Built with 100% new, high-quality components

• Precision-balanced and dyno-tested in the USA

• Excellent base for street, track, and restomod builds

Key Highlights:

• 376 cubic inch (6.2L) LS small block configuration

• Forged steel crankshaft, forged connecting rods, and forged aluminum pistons

• Aluminum performance heads for efficient combustion and heat dissipation

• Hydraulic roller camshaft for durability and responsive power delivery

• 100% new components, no remanufactured parts

• Designed for modern performance and reliability

Ideal Applications:

• Restomods and performance conversions

• Classic Chevy LS swap projects

• Street performance builds

• Track and off-road applications (non-emissions-certified)

Important Notes:

• Horsepower and torque figures are approximate factory test results; actual output may vary based on intake, exhaust, and tuning configuration.

• Intake manifold, EFI or carburetion system, ignition, and front-end accessories are not included.

• This engine is not approved for use in emissions-controlled vehicles unless explicitly stated.

• Professional installation and tuning are strongly recommended.

Key Technical Specifications