Hawks Motorsports proudly offers the BluePrint Engines PSLS37651CTF GM LS Compatible 376 C.I. Pro Series Engine, a complete LS performance crate engine package designed for enthusiasts who want proven LS power combined with modern EFI control. Producing 525 horsepower and 460 lb-ft of torque, this Base Dressed Pro Series engine delivers an ideal balance of street drivability, high-performance capability, and swap-friendly versatility.

Built around a BluePrint high-strength LSX-style cast iron block, this engine is engineered for durability with reinforced internals, a strong bottom end, and LS3-style aluminum cylinder heads. The combination of a 3.622-inch stroke nodular iron crankshaft, hypereutectic pistons, hydraulic roller camshaft, and 10.7:1 compression ratio provides excellent throttle response and reliable horsepower for street, strip, and custom performance applications.

The PSLS37651CTF includes a Holley Terminator X Max Gen IV complete ECU and harness EFI system, making it an excellent choice for LS swap projects where a complete engine management solution is desired. The included EFI package simplifies installation while providing tunability for custom applications.

Whether you're building a Camaro, Corvette, Chevelle, C10, restomod, or custom street machine, the BluePrint 376 Pro Series provides the foundation for a powerful and dependable LS-powered build.

Key Features:

• Part Number: PSLS37651CTF
• GM LS Compatible Pro Series Engine
• 376 Cubic Inch Displacement
• 525 Horsepower
• 460 lb-ft Torque
• Base Dressed Configuration
• Holley Terminator X Max Gen IV EFI System Included
• Complete ECU & Wiring Harness Included
• BluePrint High Strength LSX-Style Cast Iron Block
• LS3 Aluminum Cylinder Heads
• Hydraulic Roller Camshaft
• Hypereutectic Pistons
• Nodular Iron Crankshaft
• 6.125" Connecting Rods
• Internally Balanced Rotating Assembly
• 10.7:1 Compression Ratio
• 91+ Octane Fuel Recommended
• Fuel Injection Ready
• LS3-Style Intake Configuration
• Fuel Injectors Included
• Fuel Rail Included
• Throttle Body Included
• LS Swap Oil Pan Included
• Water Pump Included
• Harmonic Balancer Included
• Timing Cover Included
• Valve Covers Included
• Coil Packs Included
• Designed for Custom LS Swap Applications

Engine Specifications:

General:

• Manufacturer: BluePrint Engines
• Part Number: PSLS37651CTF
• Engine Family: GM LS Compatible
• Series: Pro Series
• Configuration: Base Dressed
• Displacement: 376 C.I.
• 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 Cast Iron LSX-Style Block
• LS Compatible Architecture
• Reinforced Main Webbing
• Increased Deck Strength
• Extended Cylinder Skirt Design
• Priority Main Oiling System
• 1-Piece Rear Main Seal
• OEM LS3 Front & Rear Cover Compatible
• Designed for High-Performance Street and Racing Applications

Rotating Assembly:

• Nodular Iron Crankshaft
• Stroke: 3.622"
• Connecting Rod Length: 6.125"
• Hypereutectic Pistons
• Flat Top Pistons
• 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 ECU
• Complete Wiring Harness
• Programmable Engine Management
• EFI Control System
• Base Calibration for LS Application

The Terminator X Max system provides simplified LS swap wiring and advanced tuning capability for custom performance builds.

Included Components:

• LS3 Aluminum Cylinder Heads
• Holley Terminator X Max EFI System
• ECU & Wiring Harness
• Fuel Injectors
• Fuel Rail
• Throttle Body
• LS Swap Oil Pan
• Water Pump
• Harmonic Balancer
• Timing Cover
• Valve Covers
• Coil Packs

Fitment Applications:

Compatible with custom GM LS-powered builds including:

• Chevrolet Camaro
• Chevrolet Corvette
• Chevrolet Chevelle
• Chevrolet Nova
• Chevrolet Impala
• Chevrolet Silverado
• Chevrolet C10
• Pontiac GTO
• Pontiac Firebird
• Pontiac G8
• Chevrolet SS
• Street Rods
• Restomod Builds
• Pro Touring Vehicles
• LS Swap Applications
• Custom Muscle Cars
• Performance Vehicles

Verify transmission compatibility, accessory clearance, fuel system requirements, and exhaust fitment before installation.

Installation Notes:

• Designed for custom LS swap applications.
• Holley Terminator X Max system requires proper wiring installation and calibration.
• Professional tuning recommended for maximum performance.
• Requires compatible LS transmission setup.
• Verify flexplate/flywheel compatibility before installation.
• Recommended fuel: 91+ octane.
• Check oil pan, accessory drive, and exhaust clearance for specific vehicle applications.
• Not intended for emissions-controlled applications unless properly certified.