Experience extreme LS performance with the BluePrint Engines GM LS Compatible 427 c.i. Pro-Series Engine featuring a Gen 6 / 3.0L Whipple Supercharger, Deluxe Dressed configuration, Natural Pulley Kit, and Holley Terminator X EFI System. Designed for high-horsepower street machines, Pro-Touring builds, and custom LS swaps, this 427 cubic inch powerhouse delivers approximately 830 horsepower and 800 lb-ft of torque with the durability of a reinforced LSX-style architecture.

This Pro-Series LS engine combines a BluePrint high-strength cast iron LSX-style block, LS3 aluminum cylinder heads, forged rotating assembly, hydraulic roller camshaft, and a Gen 6 / 3.0L Whipple-style supercharged induction system for instant throttle response and massive power potential. The included Holley Terminator X Max Gen IV EFI System provides complete ECU control, wiring harness integration, and a BluePrint-calibrated fuel management solution.

The Deluxe Dressed Natural Pulley Kit configuration provides a premium finished appearance with a complete front accessory drive, making this engine ideal for enthusiasts looking for a high-performance LS swap solution with minimal additional accessory sourcing. Perfect for Camaro, Firebird, Corvette, Chevelle, Nova, and Pro-Touring applications.

Key Features:

• GM LS Compatible 427 cubic inch Pro-Series Engine
• 830 horsepower
• 800 lb-ft torque
• Gen 6 / 3.0L Whipple supercharger system
• Deluxe Dressed configuration
• Natural Pulley Kit
• Holley Terminator X Max Gen IV EFI System
• Complete ECU and wiring harness
• BluePrint calibrated EFI programming
• LSX-style high-strength cast iron block
• Reinforced block design
• Six-bolt main configuration
• Priority main oiling system
• OEM LS3 front and rear cover compatibility
• BluePrint LS3 aluminum cylinder heads
• 9.5:1 compression ratio
• Forged rotating assembly:
  • Forged crankshaft
  • Forged pistons
  • Forged connecting rods
• 4.125" stroke crankshaft
• 6.125" connecting rods
• Hydraulic roller camshaft:
  • .624" intake lift
  • .624" exhaust lift
  • 239° intake duration @ .050"
  • 255° exhaust duration @ .050"
  • 114° LSA
• Magnuson TVS2650 / Whipple-style forced induction package
• 90 lb/hr fuel injectors
• Drive-by-wire throttle body
• Complete ignition system
• Sensors and wiring included
• Natural finish front accessory drive
• Designed for 91+ octane fuel

Fitment Applications:

• 1982-2002 Chevrolet Camaro LS swap builds
• 1982-2002 Pontiac Firebird LS swap builds
• Chevrolet Corvette LS conversions
• Chevrolet Chevelle Pro-Touring builds
• Chevrolet Nova LS conversions
• GM restomod builds
• Street rods
• Custom high-horsepower LS swaps
• Track and performance applications

Installation Notes:

• Verify hood clearance due to supercharger height requirements.
• Additional components may be required depending on vehicle application:
  • Engine mounts
  • Transmission upgrade
  • Driveshaft modification
  • Cooling system upgrades
  • High-flow fuel system
  • Exhaust system upgrades
  • Wiring integration
• Holley Terminator X EFI system includes BluePrint calibration; follow BluePrint tuning recommendations.
• High-horsepower applications should be paired with appropriately rated drivetrain components.
• Professional installation and tuning verification recommended.