Overview:

BluePrint Engines brings lightweight LS performance to a ready-to-run package with this 376 c.i. Builder Series engine paired to a T56 manual transmission. With 530 horsepower on tap, this combo delivers sharp throttle response, smooth drivability, and the rock-solid reliability LS fans expect, thanks to the Holley Terminator X EFI system handling fuel and spark with precision. Premium internals, meticulous machining, and BluePrint’s proven durability ensure the engine can take the heat, while the black pulley kit adds a clean, functional, performance-focused look under the hood. For builders wanting a modern, responsive LS drivetrain that’s turnkey and versatile, this 376/T56 package hits the sweet spot.

Description:

• Horsepower & Torque: 530 Horsepower / 495 ft. lbs. Torque
• Compression Ratio: 10.7:1
• BluePrint Engines Aluminum Heads
• BluePrint Engines Hydraulic Roller Cam
  
• BluePrint Engines Hypereutectic Pistons
  
• Nodular Iron Crankshaft

Block:

• BluePrint Engines High Strength Cast Iron (LSX Style) Block
• Increased Deck Thickness and Strength Webbing
• Utilizes OEM LS3 Front and Rear Covers
• Improved Water Jacket Design
• Extended Cylinder Skirt
• 1-Piece Rear Main Seal
• Priority Main Oiling
• 6-Bolt Main

Rotating Assembly:

• Nodular Iron Crankshaft
• 3.622" Stroke
• 6.098" Connecting Rods w/ 150,000 PSI Bolts
• Hypereutectic Pistons
• Internally Balanced Front and Rear

Cylinder Heads:

• BluePrint Aluminum Cylinder Heads - PS8015
• 72cc Chamber
• 2.165" Intake - 1.600" Exhaust Valves
• 259cc Intake - 102cc Exhaust Runners

Cam Specs:

• Hydraulic Roller Cam
• .612 Intake - .585 Exhaust Lift
• 225 Intake - 238 Exhaust Duration
• @.050-113 Degree Lobe Separation, 110 ICL

Holley Terminator X Max Specific Features and Benefits:

• Real Time Fuel Map Learning Simplifies Tuning by Dynamically Adjusting the Base Fuel Rate
• On Board Bosch LSU 4.9 Wideband Control, Enabling Accurate AFR Readings and Closed Loop Tuning
• Eight High Impedance Injector Drivers, Ideal for Stock LS Injectors and Holley EFI Injectors
• Integrated 1-Bar MAP Sensor for Naturally Aspirated or Nitrous Setups, with Harness Support for External Higher Bar Sensors if needed
• 4 Configurable Inputs (12V, Ground, 5V, Frequency) and 2 Outputs (Ground, PWM) - Ideal for Electric Fans, Boost Control Solenoids, Nitrous Control and more
• Free PC Tuning Software via USB/CAN Interface for Full Laptop Control and Advance Setup
• Integrated 3.5" Touchscreen Handheld with Setup Wizard, Internal Data Logging, and Real Time Gauge Displays
• Terminator X Max ECU will Include a Base Timing Map Pre-Configured for this engine

Also Includes:

• BluePrint Engines Fuel Injectors and Rail
• Low Profile Swap Oil Pan - BPP81073
  
• DBW Throttle Body - BPP12191019
• Throttle Pedal, and Sensors
• LS3 Car Intake Manifold
• Spark Plugs and Wires
  
• Harmonic Balancer  
  
• Coil Packs 
  
• Black Front Accessory Drive
  • LT1 Style 150-amp Alternator
  • LT1 Style Water Pump
  • Type II Power Steering Pump w/ Reservoir
  • Compact Style Air Conditioning Compressor
    

Assembled with Complete T56 Six Speed Transmission Package:

• Includes the following: 
• McLeod Super Steel Pro Dual Disk Clutch
• Steel Bell Housing
• Billet Flywheel
• Engine Guard
• Starter
  • First Gear Ration: 2.66:1
  • Second Gear Ratio: 1.78:1
  • Third Gear Ration: 1.30:1
  • Fourth Gear Ration: 1.00:1
  • Fifth Gear Ration: 0.80:1
  • Sixth Gear Ration: 0.63:1

Notes:

• This Holley EFI Equipped engine has a fully calibrated ECU by BluePrint Engines. Please DO NOT follow the Holley EFI manual for the calibration of the ECU.
• BluePrint Engines Recommends Air Intake Kit BPPLS01013 to ensure correct MAF calculations and Dyno calibration are maintained with the above ECU / tuning. 
• Engine/Trans Package Ships assembled.