Hawks Motorsports proudly offers the BluePrint Engines PSLS37640CTF GM LS Truck Compatible 376 C.I. Pro Series Engine, a high-performance crate engine designed specifically for truck applications, LS swaps, classic pickups, SUVs, and custom street builds. Delivering 495 horsepower and 490 lb-ft of torque, this engine provides modern LS performance with the durability and flexibility needed for demanding street and performance applications.

Built around a BluePrint high-strength LS-compatible block, this Pro Series engine features LS3 aluminum cylinder heads, a 10.7:1 compression ratio, hydraulic roller camshaft, hypereutectic pistons, and a nodular iron crankshaft. The truck-specific configuration provides strong low- and mid-range torque characteristics while maintaining excellent drivability for performance truck and swap applications.

The PSLS37640CTF comes in a Base Dressed configuration and includes essential LS truck components such as the L92-style truck intake manifold, fuel injectors, fuel rails, truck water pump, oil pan, valve covers, coil packs, harmonic balancer, and ignition components. This engine does not include an ECU or wiring harness, allowing builders to select their preferred engine management system and custom tuning solution.

Whether you're upgrading a classic Chevrolet truck, building an LS-swapped muscle car, or creating a custom performance vehicle, the BluePrint PSLS37640CTF provides a reliable foundation with proven LS architecture and impressive horsepower potential.

Key Features:

• Part Number: PSLS37640CTF
• GM LS Truck Compatible Pro Series Engine
• 376 Cubic Inch Displacement
• 495 Horsepower
• 490 lb-ft Torque
• Base Dressed Configuration
• No ECU / Wiring Harness Included
• LS3 Aluminum Cylinder Heads
• High-Strength LS-Compatible Cast Iron Block
• 6-Bolt Main Design
• Priority Main Oiling System
• 1-Piece Rear Main Seal
• Hydraulic Roller Camshaft
• Hypereutectic Flat Top Pistons
• Nodular Iron Crankshaft
• Internally Balanced Rotating Assembly
• 10.7:1 Compression Ratio
• 91+ Octane Fuel Recommended
• L92 Truck Intake Manifold
• Fuel Injectors Included
• Fuel Rail Included
• Truck Water Pump Included
• Truck Harmonic Balancer Included
• Valve Covers Included
• Coil Packs Included
• Spark Plugs & Wires Included
• Oil Pump Included
• Dipstick Included
• Designed for Custom LS Truck & Swap Applications

Engine Specifications:

General:

• Manufacturer: BluePrint Engines
• Part Number: PSLS37640CTF
• Engine Family: GM LS Truck Compatible
• Series: Pro Series
• Configuration: Base Dressed
• Displacement: 376 C.I.
• Horsepower: 495 HP
• Torque: 490 lb-ft
• Compression Ratio: 10.7:1
• Fuel System: Electronic Fuel Injection
• ECU/Harness: Not Included
• Fuel Recommendation: 91+ Octane

Block Specifications:

• LS-Compatible High Strength Cast Iron Block
• Bore: 4.0662"
• Main Cap Design: 6-Bolt Main
• Priority Main Oiling System
• Reinforced Main Webbing
• Increased Deck Strength
• Extended Cylinder Skirt Design
• Improved Water Jacket Design
• 1-Piece Rear Main Seal

Rotating Assembly:

• Nodular Iron Crankshaft
• Stroke: 3.622"
• Connecting Rod Length: 6.125"
• High Strength Rod Bolts
• 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: .553"
• Exhaust Lift: .553"
• Duration @ .050:
  • Intake: 218°
  • Exhaust: 224°
• Installed Centerline: 110°

Included Components:

• LS3 Aluminum Cylinder Heads
• L92 Truck Intake Manifold
• Fuel Injectors
• Fuel Rail
• GM-Style Smart Coil Packs
• Truck Water Pump
• LS Low-Profile Aluminum Oil Pan
• Oil Pump
• Dipstick
• Truck Harmonic Balancer
• Valve Covers
• Spark Plugs & Wiring

Does not include ECU or wiring harness.

Fitment Applications:

Compatible with custom GM LS truck and swap applications including:

• Chevrolet Silverado
• Chevrolet C/K Trucks
• Chevrolet C10
• Chevrolet K10
• Chevrolet Tahoe
• Chevrolet Suburban
• GMC Sierra
• GMC Yukon
• Street Trucks
• Restomod Trucks
• LS Swap Vehicles
• Classic GM Pickup Builds
• Custom Muscle Cars
• Pro Touring Applications

Verify oil pan clearance, wiring requirements, ECU compatibility, transmission compatibility, and accessory fitment before installation.

Installation Notes:

• This engine does not include ECU or wiring harness.
• Requires compatible LS engine management system.
• Professional tuning is required.
• Factory throttle body may require adaptation depending on application.
• Sensor locations, wiring modifications, fuel lines, PCV routing, and air intake may require modification.
• AFM/DOD/VVT-equipped factory systems must be disabled through tuning.
• Requires compatible non-weighted flexplate or flywheel.
• Recommended fuel: 91+ octane.
• Professional installation recommended.