BluePrint PSLS3760EFI 376 LS Crate Engine – 549 HP / 469 TQ EFI

The Ultimate 376 LS3-Style Crate Engine for Maximum Performance

The BluePrint PSLS3760EFI 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 549 horsepower and 469 lb-ft of torque . Built on a brand new GM 6.2L aluminum block and featuring LS3-style cylinder heads, fuel injection, and a performance hydraulic roller camshaft, this BluePrint Pro Series engine is engineered for enthusiasts who demand the very best. Whether you’re building a street machine, a track-day monster, or a show-winning restomod, this BluePrint 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 PSLS3760EFI is engineered for those who want maximum horsepower 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 30-month / 50,000-mile 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:

• 549 horsepower – dyno tested and verified 

• 469 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

Engine Block

The foundation of this BluePrint 376 crate engine is a brand new GM 6.2L LS 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 

• Internal engine balance 

Rotating Assembly

The rotating assembly in the PSLS3760EFI 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 (PS8015) provide exceptional flow :

Performance Hydraulic Roller Camshaft Specifications

What’s Included with Your PSLS3760EFI Crate Engine

The PSLS3760EFI comes as a fully dressed long block with the following components included :

Important Note: This is a base dressed long block. The following components are NOT included and must be sourced separately :

• Engine controller (ECU) and wiring harness

• Flexplate/flywheel (non-weighted required)

• Front accessory drive components

PSLS3760EFI vs Other BluePrint 376 LS Offerings

BluePrint offers this 376 engine in multiple configurations. The PSLS3760EFI is the base dressed version, while other part numbers include ECU and wiring harness packages or complete accessory drive systems . Variations in the LS3-style head chamber (69cc vs. 72cc) may affect compression ratio and power output slightly.

This engine is the “Base Dressed” configuration, ideal for builders who want to source their own engine management system, such as a Holley Terminator X or similar aftermarket ECU .

Installation Notes and Technical Information

Critical Installation Requirements

Before installing your BluePrint PSLS3760EFI, 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

• Not for dry sump applications

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, gap .040″ 

ECU and Fuel Injection Notes

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

• LS3 fabricated intake manifold

• 87mm drive-by-wire throttle body

• Injectors and fuel rail kit

• All necessary sensors

Many enthusiasts pair this engine with a Holley Terminator X Max system, which BluePrint offers in other part-number configurations with pre-calibrated ECUs .

Emissions Information

Emissions Note: This engine is not for use in pollution-controlled vehicles .

Warranty

BluePrint Engines backs the PSLS3760EFI with a comprehensive 30-month / 50,000-mile warranty .

376 LS Engine Swap – Compatibility and Considerations

The PSLS3760EFI is a drop-in replacement for vehicles originally equipped with an LS engine or for custom LS swap projects . The included retro fit 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

• Not for use in pollution-controlled vehicles 

Why Choose NH Race Engine for Your LS Crate Engine?

As a Netherlands-based specialist serving performance enthusiasts across Europe, NH Race Engine brings unmatched expertise to your LS project. We understand the unique requirements of European builds—from shipping logistics to regional considerations. Browse our LS Engines collection and other crate engine offerings to find the perfect solution for your build.

Contact NH Race Engine today to discuss your BluePrint 376 LS engine requirements. Our expert team can help you navigate compatibility, shipping, ECU tuning, and installation considerations for your European build.