The Ultimate 376 LS Crate Engine for Maximum Performance
The BluePrint PSLS3760CTFK 376 LS crate engine delivers maximum horsepower and durability in a fully dressed long block package that’s ready to drop into your classic car, hot rod, or custom build. 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 EFI convenience and polished pulleys .
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 PSLS3760CTFK 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 .
This “Retrofit Fully Dressed” variant includes polished pulleys and a complete EFI system, making it a true turn-key solution for custom builds.
376 LS Horsepower and Torque Figures
This LS3-style crate engine produces staggering output that puts most performance engines to shame:
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530 horsepower – dyno tested and verified
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495 lb-ft torque – broad, usable power band
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10.7:1 compression ratio – pump gas friendly
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Hydraulic roller cam – low maintenance, excellent durability
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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 :
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All-aluminum construction – lightweight and durable
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6-bolt main caps – superior bottom-end strength
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1-piece rear main seal – leak-free operation
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4.065-inch bore x 3.622-inch stroke (376 CID / 6.2L)
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58x reluctor wheel and 4x cam sensor – compatible with modern ECU tuning
Rotating Assembly
The rotating assembly in the PSLS3760CTFK is built for durability and high horsepower :
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Nodular iron crankshaft – 3.622″ stroke
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Forged 6.098″ connecting rods with 150,000 psi bolts
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Hypereutectic pistons – excellent strength and heat resistance
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Internally balanced front and rear
BluePrint Aluminum Cylinder Heads
The BluePrint aluminum cylinder heads provide exceptional flow :
| Specification | Detail |
|---|---|
| Chamber | 68cc |
| Intake Valves | 2.165″ |
| Exhaust Valves | 1.600″ |
| Intake Runners | 259cc |
| Exhaust Runners | 102cc |
Performance Hydraulic Roller Camshaft Specifications
| Specification | Detail |
|---|---|
| Cam Type | Hydraulic Roller |
| Intake Lift | .612″ |
| Exhaust Lift | .585″ |
| Intake Duration @ .050″ | 225° |
| Exhaust Duration @ .050″ | 238° |
| Lobe Separation | 113° |
What’s Included with Your PSLS3760CTFK Crate Engine
The PSLS3760CTFK comes as a fully dressed long block with the following components included :
| Included Component | Status |
|---|---|
| Long block with aluminum cylinder heads | ✅ |
| LS3-style intake manifold | ✅ |
| DBW throttle body | ✅ |
| Fuel injectors and fuel rail (EV6 type) | ✅ |
| Coil packs | ✅ |
| Spark plugs and wires | ✅ |
| Water pump | ✅ |
| Harmonic balancer (Corvette-style) | ✅ |
| Oil pan (muscle car swap) | ✅ |
| Valve covers | ✅ |
| Timing cover | ✅ |
| Polished pulleys | ✅ |
| 30-month/50,000-mile warranty | ✅ |
Important Note: Engine controller/ECU, wiring harness, and flexplate/flywheel are NOT included .
PSLS3760CTFK vs Other BluePrint 376 LS Offerings
BluePrint offers this 376 engine in multiple configurations. The PSLS3760CTFK is the retrofit fully dressed version with polished pulleys. Key distinctions :
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PSLS3760CTF – Base dressed EFI version (no polished pulleys)
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PSLS3760CTFK – Fully dressed EFI version with polished pulleys (this engine)
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PSLS3760CTFKB – Fully dressed EFI version with black front accessory drive
Installation Notes and Technical Information
Critical Installation Requirements
Before installing your BluePrint PSLS3760CTFK, review these critical notes :
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Does NOT include engine controller – customer-supplied ECU required
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Requires a non-weighted flexplate/flywheel
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2200+ RPM stall converter recommended for automatic applications
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91+ octane fuel required
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Not for use in pollution-controlled vehicles
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58x reluctor wheel and 4x cam sensor – verify ECU compatibility
Recommendations for Optimal Performance
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Headers recommended – 1-7/8″ primary tubes ideal
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Professional tuning required – ECU must be calibrated for this engine
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BluePrint recommends Air Intake Kit to ensure correct MAF calculations and dyno calibration are maintained with the above ECU/tuning
ECU and Fuel Injection Notes
This engine is designed for customer-supplied engine management. The fuel injection system includes :
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LS3-style intake manifold
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Drive-by-wire throttle body
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Injectors and fuel rail kit
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All necessary sensors
Many enthusiasts pair this engine with a Holley Terminator X or similar aftermarket ECU system.
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 PSLS3760CTFK with a comprehensive 30-month / 50,000-mile warranty .
376 LS Engine Swap – Compatibility and Considerations
The PSLS3760CTFK 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
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Classic muscle cars (Camaro, Chevelle, Nova, Corvette)
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Street rods and custom builds
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Pro-touring and restomod projects
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Chevy small block Gen III/IV (LS-based engines) applications
BluePrint PSLS3760CTFK FAQs
What is the horsepower and torque of the BluePrint PSLS3760CTFK?
The BluePrint PSLS3760CTFK 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 PSLS3760CTFK is built on a new GM 6.2L LS aluminum block with a 4.065-inch bore and 3.622-inch stroke .
Does the PSLS3760CTFK include an ECU?
No. This is a fully 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 PSLS3760CTFK with a 30-month / 50,000-mile warranty .
What is included with this engine?
The PSLS3760CTFK is a fully dressed long block including LS3-style intake manifold, DBW throttle body, fuel injectors, coil packs, spark plugs and wires, water pump, harmonic balancer, oil pan, valve covers, timing cover, polished pulleys, and all necessary sensors. ECU, wiring harness, and flexplate are not included .
What is the difference between PSLS3760CTF and PSLS3760CTFK?
The PSLS3760CTF is the base dressed EFI version without polished pulleys. The PSLS3760CTFK is the fully dressed EFI version with polished pulleys .
Keywords integrated: BluePrint LS3 crate engine, PSLS3760CTFK, 376 LS crate engine, LS3-style crate engine, 530 HP crate engine, BluePrint 6.2L crate engine

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