Dominate the street with the BluePrint Engines GM LS Compatible 427 c.i. Pro Series Engine, a supercharged LS powerhouse engineered for high-performance builds requiring serious horsepower and reliability. Producing 830 horsepower and 800 lb-ft of torque, this Base Dressed Pro-Series engine combines BluePrint’s reinforced LSX-style architecture with forced induction from a Magnuson TVS2650 supercharger and advanced control from the Holley Terminator X Max Gen IV EFI System.

Built for enthusiasts who demand extreme performance, the 427 c.i. Pro Series platform features a high-strength LSX-style cast iron block, LS3 aluminum cylinder heads, forged rotating assembly, hydraulic roller camshaft, and internally balanced components. The Holley Terminator X EFI system provides a complete ECU and harness package with a base calibration specifically configured by BluePrint Engines for this supercharged combination.

The Base Dressed configuration gives builders the flexibility to customize their accessory drive and finishing components while retaining a complete, dyno-tested supercharged LS foundation. Perfect for Camaro, Firebird, Corvette, Pro-Touring, restomod, and custom performance applications.

Key Features:

• GM LS Compatible 427 cubic inch Pro Series Engine
• 830 horsepower / 800 lb-ft torque
• Base Dressed configuration
• Magnuson TVS2650 supercharger system
• Holley Terminator X Max Gen IV EFI System
• BluePrint Engines LSX-style high-strength cast iron block
• Increased deck thickness and reinforced strength webbing
• OEM LS3 front and rear cover compatibility
• Six-bolt main design
• Priority main oiling system
• Improved water jacket design
• Extended cylinder skirt
• One-piece rear main seal
• BluePrint LS3 aluminum cylinder heads
  • 70cc combustion chambers
  • 2.165" intake valves
  • 1.600" exhaust valves
  • 259cc intake runners
  • 102cc exhaust runners
• 9.5:1 compression ratio
• Forged rotating assembly:
  • Forged crankshaft
  • 4.125" stroke
  • Forged 6.125" connecting rods
  • Forged 22cc dish pistons
• Hydraulic roller camshaft:
  • .624" intake lift
  • .624" exhaust lift
  • 239° intake duration @ .050"
  • 255° exhaust duration @ .050"
  • 114° LSA
• 90 lb/hr fuel injectors
• Drive-by-wire throttle body
• Complete ECU and wiring harness
• Coil packs, sensors, spark plugs, and wires included
• Low-profile rear sump oil pan included
• 91+ octane fuel recommended

Fitment Applications:

• 1982-2002 Chevrolet Camaro LS swap builds
• 1982-2002 Pontiac Firebird LS swap builds
• Chevrolet Corvette LS conversions
• Chevrolet Chevelle restomod builds
• Chevrolet Nova LS conversions
• GM Pro-Touring vehicles
• Custom street performance builds
• High-horsepower LS swap applications

Installation Notes:

• Verify hood clearance and engine bay space 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 modifications
  • Accessory drive system
• Holley Terminator X ECU includes a BluePrint Engines base calibration. Do not use standard Holley EFI base calibration procedures for this engine package.
• Recommended air intake kit: BPPLS01013 to maintain proper MAF calculations and dyno calibration.