Hawks Motorsports proudly offers the BluePrint Engines PSLS37681CTFK GM LS Compatible 376 C.I. Pro Series Engine, a complete high-performance LS crate engine package designed for enthusiasts who want proven LS power, modern EFI control, and a premium engine bay appearance. Producing 510 horsepower and 440 lb-ft of torque, this Deluxe Dressed Pro Series engine combines BluePrint’s high-strength LS architecture with a Holley Terminator X Max EFI system and polished pulley kit for a complete, swap-ready performance solution.

Built around a BluePrint high-strength LS-compatible block, this 376 cubic inch engine features LS3-style aluminum cylinder heads, hydraulic roller camshaft, performance rotating assembly, and premium components engineered for dependable street and performance applications. The LS platform provides excellent power density, compact packaging, and broad compatibility for custom GM builds.

The PSLS37681CTFK includes a Holley Terminator X Max Gen IV EFI system with ECU and wiring harness, providing a complete engine management solution without the need to source separate electronics. The system offers advanced tuning capability and simplified installation for custom LS swaps.

Finished in a Deluxe Dressed configuration with a polished pulley kit, this engine provides both performance and appearance. The PSLS37681CTFK is an excellent choice for Camaro, Corvette, Chevelle, C10, Firebird, GTO, restomod, and Pro Touring builds requiring modern LS reliability and horsepower.

Key Features:

• Part Number: PSLS37681CTFK
• Manufacturer: BluePrint Engines
• GM LS Compatible Pro Series Engine
• 376 Cubic Inch Displacement
• 510 Horsepower
• 440 lb-ft Torque
• Deluxe Dressed Configuration
• Holley Terminator X Max Gen IV EFI System Included
• ECU & Wiring Harness Included
• Polished Pulley Kit Included
• LS3 Aluminum Cylinder Heads
• Hydraulic Roller Camshaft
• Hypereutectic Pistons
• Nodular Iron Crankshaft
• Forged Connecting Rods
• Internally Balanced Rotating Assembly
• 10.7:1 Compression Ratio
• LS3-Style Intake Configuration
• Fuel Injectors Included
• Fuel Rails Included
• Throttle Body Included
• LS Swap Oil Pan Included
• Water Pump Included
• Coil Packs Included
• Harmonic Balancer Included
• Valve Covers Included
• Timing Cover Included
• Designed for Custom LS Swap Applications

Engine Specifications:

General:

• Manufacturer: BluePrint Engines
• Part Number: PSLS37681CTFK
• Engine Family: GM LS Compatible
• Series: Pro Series
• Configuration: Deluxe Dressed
• Displacement: 376 C.I.
• Horsepower: 510 HP
• Torque: 440 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 LS-Compatible Block
• LS Architecture
• Reinforced Main Webbing
• Increased Deck Strength
• Extended Cylinder Skirt Design
• Priority Main Oiling System
• 1-Piece Rear Main Seal
• LS3 Front & Rear Cover Compatible

Rotating Assembly:

• Nodular Iron Crankshaft
• Stroke: 3.622"
• Forged Connecting Rods
• Rod Length: 6.125"
• Hypereutectic Flat Top Pistons
• Internally Balanced Rotating Assembly
• High Strength Rod Fasteners

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 Wiring Harness
• EFI Engine Control System
• Programmable Tuning Capability
• LS-Specific Calibration

Benefits:

• Simplified LS swap wiring
• Advanced tuning capability
• Supports custom performance applications
• Ready for aftermarket calibration adjustments

Accessory Drive:

Polished Pulley Kit Included

Features:

• Polished aluminum accessory components
• Premium engine bay appearance
• Complete Deluxe Dressed presentation
• Designed for LS swap applications

Included Components:

Includes:

• Complete Deluxe Dressed Engine Assembly
• LS3 Aluminum Cylinder Heads
• Holley Terminator X Max EFI System
• ECU & Wiring Harness
• Fuel Injectors
• Fuel Rails
• Throttle Body
• Polished Pulley Kit
• Water Pump
• LS Swap Oil Pan
• Valve Covers
• Coil Packs
• Harmonic Balancer
• Timing Cover

Fitment Applications:

Compatible with custom GM 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

Verify vehicle compatibility, transmission fitment, ECU requirements, accessory clearance, and exhaust compatibility before installation.

Installation Notes:

• Designed for custom LS swap applications.
• Includes complete Holley Terminator X Max EFI system.
• Professional installation and tuning recommended.
• Verify transmission compatibility before installation.
• Requires compatible fuel system.
• Check accessory drive and exhaust clearance.
• Recommended fuel: 91+ octane.
• Additional tuning may be required for modified combinations.