Product Description:
Hawks Motorsports proudly offers the BluePrint Engines PSLS37651CTFKB GM LS Compatible 376 C.I. Pro Series Engine, a complete high-performance LS crate engine package designed for builders looking for modern LS reliability, EFI simplicity, and an aggressive finished engine appearance. Delivering 525 horsepower and 460 lb-ft of torque, this Deluxe Dressed Pro Series engine combines BluePrint’s LS-based performance architecture with a Holley Terminator X Max EFI system, black pulley kit, and complete accessory package for a ready-to-install LS swap solution.
The PSLS37651CTFKB features a 376 cubic inch LS-compatible platform built around a BluePrint high-strength cast iron LSX-style block with reinforced structure, LS3-style aluminum cylinder heads, hydraulic roller camshaft, hypereutectic pistons, and a nodular iron crankshaft. This combination provides excellent street performance, durability, and compatibility for custom muscle car, restomod, and Pro Touring applications.
This Deluxe Dressed configuration includes a Holley Terminator X Max Gen IV complete ECU and wiring harness EFI system, allowing for simplified installation and advanced tuning capability. The engine also includes a black accessory pulley kit, providing a clean, modern appearance for custom engine bays.
With LS3-style cylinder heads, complete EFI control, and swap-ready accessories, the PSLS37651CTFKB is an excellent choice for Camaro, Corvette, Chevelle, C10, Firebird, GTO, G8, and other LS-powered custom builds.
Key Features:
- Part Number: PSLS37651CTFKB
- Manufacturer: BluePrint Engines
- GM LS Compatible Pro Series Engine
- 376 Cubic Inch Displacement
- 525 Horsepower
- 460 lb-ft Torque
- Deluxe Dressed Configuration
- Holley Terminator X Max Gen IV EFI System Included
- Complete ECU & Wiring Harness Included
- Black Pulley Kit Included
- LS3 Aluminum Cylinder Heads
- Hydraulic Roller Camshaft
- Hypereutectic Pistons
- Nodular Iron Crankshaft
- Forged Connecting Rods
- LSX-Style High Strength Cast Iron Block
- 10.7:1 Compression Ratio
- Fuel Injectors Included
- Fuel Rails Included
- Drive-By-Wire Throttle Body Included
- LS3-Style Intake Manifold Included
- LS Swap Oil Pan Included
- Water Pump Included
- Coil Packs Included
- Gas Pedal Included
- Harmonic Balancer Included
- Valve Covers Included
- Timing Cover Included
Engine Specifications:
General:
- Manufacturer: BluePrint Engines
- Part Number: PSLS37651CTFKB
- Engine Family: GM LS Compatible
- Series: Pro Series
- Configuration: Deluxe Dressed
- Displacement: 376 C.I. (6.2L)
- Horsepower: 525 HP
- Torque: 460 lb-ft
- Compression Ratio: 10.7:1
- Fuel System: Holley Terminator X Max EFI
- ECU/Harness: Included
- Fuel Recommendation: 91+ Octane
Block Specifications:
- BluePrint High Strength LSX-Style Cast Iron Block
- Bore: 4.066"
- Stroke: 3.622"
- 6-Bolt Main Design
- Priority Main Oiling System
- Reinforced Main Webbing
- Increased Deck Strength
- Extended Cylinder Skirt Design
- LS3 Front & Rear Cover Compatible
- 1-Piece Rear Main Seal
Rotating Assembly:
- Nodular Iron Crankshaft
- Stroke: 3.622"
- Connecting Rod Length: 6.125"
- Hypereutectic Pistons
- Forged Connecting Rods
- High Strength Rod Bolts
- Internally Balanced Assembly
Cylinder Heads:
- BluePrint LS3 Aluminum Cylinder Heads
- Chamber Size: 69cc
- Intake Valve: 2.165"
- Exhaust Valve: 1.590"
- Intake Runner: 259cc
- Exhaust Runner: 102cc
Camshaft Specifications:
- Hydraulic Roller Camshaft
- Three-Bolt Cam Design
- Intake Lift: .612"
- Exhaust Lift: .585"
- Duration @ .050:
- Intake: 225°
- Exhaust: 238°
- Lobe Separation Angle: 113°
EFI System:
Holley Terminator X Max Gen IV EFI System
Includes:
- Holley Terminator X Max ECU
- Complete Engine Wiring Harness
- Drive-By-Wire Controls
- EFI Management System
- BluePrint Engine-Specific Calibration
Benefits:
- Simplified LS swap wiring
- Modern EFI drivability
- Advanced tuning capability
- Compatible with performance applications
Note: BluePrint calibrates the ECU specifically for this engine package. Do not replace the supplied calibration with a generic Holley base map.
Accessory Drive:
Black Pulley Kit Included
Includes:
- LS2 Style Water Pump
- 140 Amp Alternator
- Peanut Style A/C Compressor
- Type II Power Steering Pump With Remote Reservoir
- Black Finish Accessory Components
Included Components:
Includes:
- Complete Deluxe Dressed Engine Assembly
- LS3 Aluminum Cylinder Heads
- LS3-Style Intake Manifold
- Holley Terminator X Max EFI System
- ECU & Wiring Harness
- Fuel Injectors
- Fuel Rails
- Drive-By-Wire Throttle Body
- Black Pulley Kit
- Water Pump
- LS Swap Oil Pan
- Valve Covers
- Coil Packs
- Gas Pedal
- Harmonic Balancer
- Timing Cover
Fitment Applications:
Compatible with custom LS-powered builds including:
- Chevrolet Camaro
- Chevrolet Corvette
- Chevrolet Chevelle
- Chevrolet Nova
- Chevrolet C10
- Chevrolet Silverado
- Pontiac Firebird
- Pontiac GTO
- Pontiac G8
- Chevrolet SS
- Street Rods
- Restomod Builds
- Pro Touring Vehicles
- LS Swap Applications
- Custom Muscle Cars
Always verify transmission compatibility, accessory clearance, hood clearance, fuel system requirements, and exhaust fitment before installation.
Installation Notes:
- Designed for custom LS swap applications.
- Includes complete Holley Terminator X Max EFI system.
- Requires compatible LS transmission setup.
- Requires non-weighted flexplate/flywheel.
- BluePrint recommends a 2200+ RPM stall converter for automatic transmission applications.
- Verify driveshaft, exhaust, and accessory clearance.
- Recommended fuel: 91+ octane.
- Professional installation and tuning recommended.