BluePrint PSLS3760CTFKB 376 LS Crate Engine – 530 HP LS3-Style V8

The Ultimate 376 LS Crate Engine for Maximum Performance

The BluePrint PSLS3760CTFKB 376 LS crate engine delivers maximum horsepower and durability in a fully dressed long block package. As part of our extensive LS Engines collection, this 6.2L/376 cubic inch V8 produces an impressive 530 horsepower and 495 lb-ft of torque—making it the ideal choice for enthusiasts seeking LS3-style performance with modern EFI convenience.

Built on a new GM 6.2L aluminum block with a nodular iron rotating assembly and forged connecting rods, this BluePrint Pro Series engine is dyno-tested and backed by an exclusive 30-month/50,000-mile warranty. Whether you’re building a weekend warrior, a track-day monster, or a show-winning restomod, this 376 LS crate engine delivers the power, reliability, and modern performance that LS enthusiasts demand.

What Makes the BluePrint 376 LS the Ultimate LS3-Style Crate Engine?

The PSLS3760CTFKB is engineered for enthusiasts who want maximum power without compromise. BluePrint Engines has established itself as a leader in the crate engine market, and the Pro Series 376 represents their commitment to dyno-proven performance backed by an exclusive warranty. Every BluePrint engine is individually dyno-tested for proven results.

376 LS Horsepower and Torque Figures

This LS3-style crate engine produces staggering output that puts most performance engines to shame:

• 530 horsepower – dyno tested and verified

• 495 lb-ft torque – broad, usable power band

• 10.7:1 compression ratio – pump gas friendly

• Hydraulic roller cam – low maintenance, excellent durability

• 91+ octane fuel recommended

Complete 376 LS Engine Specifications

New GM 6.2L Aluminum Block

The foundation of this BluePrint 376 crate engine is a new GM 6.2L aluminum block, machined in the USA. Key block features include:

• All-aluminum construction – lightweight and durable

• 6-bolt main caps – superior bottom-end strength

• 1-piece rear main seal – leak-free operation

• 4.065-inch bore x 3.622-inch stroke (376 CID / 6.2L)

Rotating Assembly

The rotating assembly in the PSLS3760CTFKB is built for durability and high horsepower:

• Nodular iron crankshaft – 3.622″ stroke

• Forged 6.098″ connecting rods with 150,000 psi bolts

• Hypereutectic pistons – excellent strength and heat resistance

• Internally balanced front and rear

BluePrint LS3 Aluminum Cylinder Heads

The BluePrint LS3 aluminum cylinder heads provide exceptional flow:

Performance Hydraulic Roller Camshaft Specifications

What’s Included with Your PSLS3760CTFKB Crate Engine

The PSLS3760CTFKB comes as a fully dressed long block with the following components included:

Important Note: Engine controller/ECU and wiring harness are NOT included and must be sourced separately.

PSLS3760CTFKB vs Other BluePrint 376 LS Offerings

BluePrint offers this 376 engine in multiple configurations. The PSLS3760CTFKB is the deluxe dressed long block with EFI, including a complete black front accessory drive system with water pump, alternator, power steering, A/C, all belts and pulleys. This is the top-tier configuration for builders seeking a complete, ready-to-install package.

This engine features the BluePrint Engines High Strength Cast Iron (LSX Style) Block with 6-bolt mains, making it one of the most robust LS crate engine platforms available.

Installation Notes and Technical Information

Critical Installation Requirements

Before installing your BluePrint PSLS3760CTFKB, review these critical notes:

• Does NOT include engine controller – customer-supplied ECU required

• Requires a non-weighted flexplate/flywheel

• 2200+ RPM stall converter recommended for automatic applications

• 91+ octane fuel required

• Not for use in pollution-controlled vehicles

• 58x reluctor wheel and 4x cam sensor – verify ECU compatibility

Recommendations for Optimal Performance

• Headers recommended – 1-7/8″ primary tubes ideal

• Professional tuning required – ECU must be calibrated for this engine

• Firing order: 1,8,7,2,6,5,4,3

• Spark plug: Champion 3015 / RS14PMC4, gap .040″

ECU and Fuel Injection Notes

This engine is designed for customer-supplied engine management. The fuel injection system includes:

• LS3-style intake manifold

• 87mm DBW throttle body

• Injectors and fuel rail kit

• All necessary sensors

Many enthusiasts pair this engine with a Holley Terminator X or similar aftermarket ECU system. BluePrint Engines recommends Air Intake Kit BPPLS01013 to ensure correct MAF calculations and dyno calibration are maintained with the above ECU/tuning.

Emissions Information

This product is not legal for street use on an emissions-controlled vehicle. It may be used on dedicated competition or pre-pollution-controlled vehicles only.

Warranty

BluePrint Engines backs the PSLS3760CTFKB with a comprehensive 30-month / 50,000-mile warranty.

376 LS Engine Swap – Compatibility and Considerations

The PSLS3760CTFKB is a drop-in replacement for vehicles originally equipped with an LS engine or for custom LS swap projects. The included rear sump/muscle car swap oil pan fits most 1955-1995 GM front engine, RWD, V8 cars.

Compatible Applications

• Classic muscle cars (Camaro, Chevelle, Nova, Corvette)

• Street rods and custom builds

• Pro-touring and restomod projects

• Various GM vehicles from 1938-present

BluePrint PSLS3760CTFKB FAQs

What is the horsepower and torque of the BluePrint PSLS3760CTFKB?

The BluePrint PSLS3760CTFKB produces 530 horsepower and 495 lb-ft of torque. Every engine is dyno tested and ships with printed results.

What is the 376 LS engine based on?

The PSLS3760CTFKB is built on a new GM 6.2L aluminum block with a 4.065-inch bore and 3.622-inch stroke.

Does the PSLS3760CTFKB include an ECU?

No. This is a deluxe dressed long block that does NOT include an engine controller or wiring harness. It is designed for customers who wish to use their own engine controller package.

What fuel does the BluePrint 376 LS engine require?

91+ octane fuel is recommended for this high-performance LS engine.

What warranty comes with this engine?

BluePrint Engines backs the PSLS3760CTFKB with a 30-month / 50,000-mile warranty.

What is included with this engine?

The PSLS3760CTFKB is a fully dressed long block including LS3-style intake manifold, 87mm DBW throttle body, fuel injectors, coil packs, spark plugs and wires, water pump, harmonic balancer, oil pan, valve covers, timing cover, and a complete black front accessory drive system (water pump, alternator, power steering, A/C, belts, and pulleys). The engine controller is not included.