BluePrint Engines 376 c.i. GM LS Compatible Builder Series - Standard Edition - Fuel Injected - TKX Manual Transmission. (PART #BPE-BLS3763TKX)

BluePrint Engines delivers modern LS performance in a turnkey package with this 376 c.i. Builder Series engine paired to a TKX manual transmission. Pumping out 530 horsepower, this combo offers crisp throttle response, rock-solid reliability, and everyday drivability—all dialed in with the Holley Terminator X EFI system for seamless control and simple tuning. Built with precision machining, premium internals, and the durability BluePrint is known for, this 376/TKX setup is ready to drop in and go.

For builders wanting a lightweight, high-revving LS that’s equally at home on the highway or hammering through gears, this package is a perfect blend of modern power and turnkey convenience.

Blocks:

• 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

Cylinder Heads:

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

Rotating Assembly:

• 6.125" Connecting Rods w/ 150,000 PSI Bolts
• Internally Balanced Front and Rear

Included items:

• BluePrint Engines Fuel Injectors and Rail
• Low Profile Swap Oil Pan - BPP81073
• DBW Throttle Body - BPP12191019
• Water Pump - BPPLS126WP
• Spark Plugs and Wires
• Harmonic Balancer
• Coil Packs

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

Assembled with Complete TKX Five Speed Transmission Package:

• Mcleod Super Street Pro Twin Disc Clutch
• Hydraulic Throw Out Bearing
• Bell Housing
• Billet Flywheel
• Starter
  • First Gear Ratio: 2.87:1
  • Second Gear Ratio: 1.89:1
  • Third Gear Ratio: 1.28:1
  • Fourth Gear Ratio: 1.00:1
  • Fifth Gear Ratio: 0.81:1

Notes:

• Please note, It is not necessary to run the Holley setup wizard, as this will erase the existing calibration loaded by BluePrint Engines. The ecu is fully unlocked and tunable for further adjustments once installed in customer vehicle.
• 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.