HomeStore

GM LS Compatible 427 c.i. Engine and 4L80E Automatic Transmission - 830 Horsepower - Standard Edition Builder Series - Natural Pulley Kit - Holley Terminator X EFI System

Product image 1
1 / 4

GM LS Compatible 427 c.i. Engine and 4L80E Automatic Transmission - 830 Horsepower - Standard Edition Builder Series - Natural Pulley Kit - Holley Terminator X EFI System

Overview:

BluePrint Engines brings modern muscle to the forefront with this 830-horsepower LS 427 Builder Series package paired to the rock-solid 4L80E automatic transmission. Designed for drivers who want brutal power with everyday reliability, this setup features Holley’s Terminator X EFI system for dead-on fuel control, crisp throttle response, and easy tuning. The engine is built with premium internals, meticulous machining, and pro-series durability to handle hard launches, high rpm, and anything else you can throw at it. Finished with a clean natural pulley kit for a purposeful, performance-first look, this 427/4L80E combo is the ultimate turnkey LS solution for serious street or strip builds.

Description: 

  • Horsepower & Torque: 830 Horsepower / 800 ft. lbs. Torque
  • Compression Ratio: 9.5:1
  • BluePrint Engines Aluminum Heads
  • BluePrint Engines Hydraulic Roller Cam
  • BluePrint Engines Forged Crank
  • BluePrint Engines Forged Pistons

Block:

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

Rotating Assembly:

  • New Forged Crankshaft
  • 4.125" Stroke
  • Forged 6.125" Connecting Rods
  • Forged Pistons
  • Front and Rear Internally Balanced

Cylinder Heads:

  • BluePrint Aluminum Cylinder Heads - PS8015
  • 70cc Chamber
  • 2.165" Intake / 1.590" Exhaust Valves
  • 259cc Intake / 102cc Exhaust Runners

Cam Specs:

  • Hydraulic Roller
  • .624 Intake / .624 Exhaust Lift
  • 239 Intake / 255 Exhaust Duration
  • @.050-114 Degree Lobe Separation

Ignition Timing:

  • ECM Supplied with Calibration

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:

  • 2.65 Liter Magnuson TVS 2650 Supercharger
  • Upgraded Motor tron S107 Injectors
  • Electronic Fuel Injection
  • Coil Packs
  • Valve Covers
  • Oil Pan
  • Drive by Wire Throttle Body
  • Timing Cover
  • Spark Plugs and Wires
  • Harmonic Balancer
  • Natural Front Accessory Drive
    • LT1 Style 150-amp Alternator
    • LT1 Style Water Pump
    • Type II Power Steering Pump
    • Compact Style A/C Compressor 

Assembled with Complete HD 4l80e Transmission Package:

      Includes the following: 

  • 4L80E Complete Package
  • Electronic Transmission Controller Included
  • 3200+ Stall Torque Converter
  • Flex Plate
  • Starter

4L80E Gear Ratios:

  • 1: 2.482
  • 2: 1.482
  • 3: 1.00
  • 4: 0.750
  • R: 2.077

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.
  • Retro fit oil pan will fit most 1955-1995 GM front engine, RWD, V8 cars
    Not for use in pollution-controlled vehicles or in dry sump applications.
  • The front accessory drive on this engine fits many vehicles, however it is the customer responsibility to accurately measure and confirm fitment.  Note this is a low-profile design, but things such as power steering hoses, alternator wiring, and additional fittings/fabrication may be required on some vehicles.
  • BluePrint Engines Recommends Air Intake Kit BPPLS01013 to ensure correct MAF calculations and Dyno calibration are maintained with the provided ECU / tuning.
  • Engine/Trans Package Ships assembled
 

    Overview:

    BluePrint Engines brings modern muscle to the forefront with this 830-horsepower LS 427 Builder Series package paired to the rock-solid 4L80E automatic transmission. Designed for drivers who want brutal power with everyday reliability, this setup features Holley’s Terminator X EFI system for dead-on fuel control, crisp throttle response, and easy tuning. The engine is built with premium internals, meticulous machining, and pro-series durability to handle hard launches, high rpm, and anything else you can throw at it. Finished with a clean natural pulley kit for a purposeful, performance-first look, this 427/4L80E combo is the ultimate turnkey LS solution for serious street or strip builds.

    Description: 

    • Horsepower & Torque: 830 Horsepower / 800 ft. lbs. Torque
    • Compression Ratio: 9.5:1
    • BluePrint Engines Aluminum Heads
    • BluePrint Engines Hydraulic Roller Cam
    • BluePrint Engines Forged Crank
    • BluePrint Engines Forged Pistons

    Block:

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

    Rotating Assembly:

    • New Forged Crankshaft
    • 4.125" Stroke
    • Forged 6.125" Connecting Rods
    • Forged Pistons
    • Front and Rear Internally Balanced

    Cylinder Heads:

    • BluePrint Aluminum Cylinder Heads - PS8015
    • 70cc Chamber
    • 2.165" Intake / 1.590" Exhaust Valves
    • 259cc Intake / 102cc Exhaust Runners

    Cam Specs:

    • Hydraulic Roller
    • .624 Intake / .624 Exhaust Lift
    • 239 Intake / 255 Exhaust Duration
    • @.050-114 Degree Lobe Separation

    Ignition Timing:

    • ECM Supplied with Calibration

    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:

    • 2.65 Liter Magnuson TVS 2650 Supercharger
    • Upgraded Motor tron S107 Injectors
    • Electronic Fuel Injection
    • Coil Packs
    • Valve Covers
    • Oil Pan
    • Drive by Wire Throttle Body
    • Timing Cover
    • Spark Plugs and Wires
    • Harmonic Balancer
    • Natural Front Accessory Drive
      • LT1 Style 150-amp Alternator
      • LT1 Style Water Pump
      • Type II Power Steering Pump
      • Compact Style A/C Compressor 

    Assembled with Complete HD 4l80e Transmission Package:

          Includes the following: 

    • 4L80E Complete Package
    • Electronic Transmission Controller Included
    • 3200+ Stall Torque Converter
    • Flex Plate
    • Starter

    4L80E Gear Ratios:

    • 1: 2.482
    • 2: 1.482
    • 3: 1.00
    • 4: 0.750
    • R: 2.077

    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.
    • Retro fit oil pan will fit most 1955-1995 GM front engine, RWD, V8 cars
      Not for use in pollution-controlled vehicles or in dry sump applications.
    • The front accessory drive on this engine fits many vehicles, however it is the customer responsibility to accurately measure and confirm fitment.  Note this is a low-profile design, but things such as power steering hoses, alternator wiring, and additional fittings/fabrication may be required on some vehicles.
    • BluePrint Engines Recommends Air Intake Kit BPPLS01013 to ensure correct MAF calculations and Dyno calibration are maintained with the provided ECU / tuning.
    • Engine/Trans Package Ships assembled
     

      $10,709.70

      Original: $35,699.00

      -70%
      GM LS Compatible 427 c.i. Engine and 4L80E Automatic Transmission - 830 Horsepower - Standard Edition Builder Series - Natural Pulley Kit - Holley Terminator X EFI System—

      $35,699.00

      $10,709.70

      Description

      Overview:

      BluePrint Engines brings modern muscle to the forefront with this 830-horsepower LS 427 Builder Series package paired to the rock-solid 4L80E automatic transmission. Designed for drivers who want brutal power with everyday reliability, this setup features Holley’s Terminator X EFI system for dead-on fuel control, crisp throttle response, and easy tuning. The engine is built with premium internals, meticulous machining, and pro-series durability to handle hard launches, high rpm, and anything else you can throw at it. Finished with a clean natural pulley kit for a purposeful, performance-first look, this 427/4L80E combo is the ultimate turnkey LS solution for serious street or strip builds.

      Description: 

      • Horsepower & Torque: 830 Horsepower / 800 ft. lbs. Torque
      • Compression Ratio: 9.5:1
      • BluePrint Engines Aluminum Heads
      • BluePrint Engines Hydraulic Roller Cam
      • BluePrint Engines Forged Crank
      • BluePrint Engines Forged Pistons

      Block:

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

      Rotating Assembly:

      • New Forged Crankshaft
      • 4.125" Stroke
      • Forged 6.125" Connecting Rods
      • Forged Pistons
      • Front and Rear Internally Balanced

      Cylinder Heads:

      • BluePrint Aluminum Cylinder Heads - PS8015
      • 70cc Chamber
      • 2.165" Intake / 1.590" Exhaust Valves
      • 259cc Intake / 102cc Exhaust Runners

      Cam Specs:

      • Hydraulic Roller
      • .624 Intake / .624 Exhaust Lift
      • 239 Intake / 255 Exhaust Duration
      • @.050-114 Degree Lobe Separation

      Ignition Timing:

      • ECM Supplied with Calibration

      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:

      • 2.65 Liter Magnuson TVS 2650 Supercharger
      • Upgraded Motor tron S107 Injectors
      • Electronic Fuel Injection
      • Coil Packs
      • Valve Covers
      • Oil Pan
      • Drive by Wire Throttle Body
      • Timing Cover
      • Spark Plugs and Wires
      • Harmonic Balancer
      • Natural Front Accessory Drive
        • LT1 Style 150-amp Alternator
        • LT1 Style Water Pump
        • Type II Power Steering Pump
        • Compact Style A/C Compressor 

      Assembled with Complete HD 4l80e Transmission Package:

            Includes the following: 

      • 4L80E Complete Package
      • Electronic Transmission Controller Included
      • 3200+ Stall Torque Converter
      • Flex Plate
      • Starter

      4L80E Gear Ratios:

      • 1: 2.482
      • 2: 1.482
      • 3: 1.00
      • 4: 0.750
      • R: 2.077

      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.
      • Retro fit oil pan will fit most 1955-1995 GM front engine, RWD, V8 cars
        Not for use in pollution-controlled vehicles or in dry sump applications.
      • The front accessory drive on this engine fits many vehicles, however it is the customer responsibility to accurately measure and confirm fitment.  Note this is a low-profile design, but things such as power steering hoses, alternator wiring, and additional fittings/fabrication may be required on some vehicles.
      • BluePrint Engines Recommends Air Intake Kit BPPLS01013 to ensure correct MAF calculations and Dyno calibration are maintained with the provided ECU / tuning.
      • Engine/Trans Package Ships assembled