Skip to main content
20+ Years Experience: Buy from a trusted seller. 20+ Years Experience Buy from a trusted seller
Customer Services: Our team are here to help. Customer Services Our team is here to help
Worldwide Shipping: International options available. Worldwide Shipping International options available
Secure Payments: Your order is safe with us. Secure Payments Your order is safe with us
1000s Of Quality Parts: Click here to view all items. 1000s Of Quality Parts Click here to view all items
PSLS4277SCTKB GM LS Compatible 427 c.i. Pro-Series Engine - Gen 6 / 3.0 Whipple - 830 Horsepower - Deluxe Dressed - Black Pulley Kit - Holley Terminator X EFI System - BluePrint Engines

PSLS4277SCTKB GM LS Compatible 427 c.i. Pro-Series Engine - Gen 6 / 3.0 Whipple - 830 Horsepower - Deluxe Dressed - Black Pulley Kit - Holley Terminator X EFI System - BluePrint Engines

Write a Review
SKU:
PSLS4277SCTKB
Width:
60.00 (in)
Height:
30.00 (in)
Depth:
30.00 (in)
Shipping:
Calculated at Checkout
Price: $26,399.00

Product Description:

Take your LS-powered build to the next level with the BluePrint Engines GM LS Compatible 427 c.i. Pro-Series Engine featuring a Gen 6 / 3.0L Whipple Supercharger, Deluxe Dressed configuration, Black Pulley Kit, and Holley Terminator X EFI System. Designed for serious street performance, Pro-Touring builds, and high-horsepower LS swaps, this supercharged 427 cubic inch engine delivers approximately 830 horsepower and 800 lb-ft of torque with the reliability of BluePrint’s reinforced LSX-style architecture.

Built around a high-strength LSX-style cast iron block, this Pro-Series engine combines a forged rotating assembly, LS3-style aluminum cylinder heads, hydraulic roller camshaft, and a Gen 6 / 3.0L Whipple-style forced induction system to deliver instant torque 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 tune designed specifically for this engine combination.

The Deluxe Dressed Black Pulley Kit configuration provides a premium finished appearance with a complete front accessory drive, making this engine ideal for builders who want a turnkey supercharged LS package. Perfect for Camaro, Firebird, Corvette, Chevelle, Nova, Pro-Touring, and custom performance 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
  • Black 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
  • Increased deck thickness and reinforced strength webbing
  • OEM LS3 front and rear cover compatibility
  • Priority main oiling system
  • Six-bolt main design
  • Extended cylinder skirt
  • One-piece rear main seal
  • 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
  • Forced induction system with 3.0L Whipple-style supercharger
  • 90 lb/hr fuel injectors
  • Drive-by-wire throttle body
  • Complete ignition system
  • Sensors, coil packs, spark plugs, and wires included
  • Black finish front accessory drive:
    • LS2-style water pump
    • 140 amp alternator
    • Peanut-style A/C compressor
    • Type II power steering pump with reservoir
  • Recommended fuel: 91+ octane

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 vehicles
  • High-performance street builds
  • Custom LS swap applications
  • Track and drag racing applications

Installation Notes:

  • Verify hood clearance due to supercharger height requirements.
  • Additional components may be required depending on vehicle application:
    • Engine mounts
    • Transmission upgrade
    • Transmission crossmember
    • Driveshaft modification
    • Cooling system upgrades
    • High-flow fuel system
    • Exhaust modifications
    • Wiring integration
  • Holley Terminator X EFI system includes a BluePrint calibrated ECU. Follow BluePrint calibration recommendations rather than standard Holley EFI setup procedures.
  • High-horsepower applications should use drivetrain components rated for 800+ lb-ft torque.
  • BluePrint recommends air intake kit BPPLS01013 to maintain correct MAF calculations and dyno calibration. 

Best Sellers