BluePrint Engines 427 c.i. GM LS style proseries engine

Part Number: PSLS42730CT
$10,299.00
BluePrint Engines 427 c.i. GM LS style proseries engine

Overview:

The LS-compatible platform is the king of street machines—and this BluePrint Engines 427 C.I. Pro Series monster proves why. Unleash raw, LS-powered fury with a street-scorching 605 horsepower and 565 ft-lbs of torque. This beast has BluePrint aluminum heads, a hydraulic roller cam, and hypereutectic pistons, and modular iron crankshaft, all locked into a high-strength LSX-style cast iron block. 

Description: 

  • Horsepower & Torque: 605 Horsepower / 565 FT LBS
  • Compression Ratio: 11:1
  • BluePrint Engines LS3 Aluminum Heads
  • BluePrint Engines Hydraulic Roller Cam
  • BluePrint Engines Forged Pistons
  • BluePrint Engines Forged Crankshaft

Block:

  • 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
  • 4.0685" Bore
  • 6-bolt Main

Rotating Assembly:

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

Cylinder Heads:

  • BluePrint Aluminum Cylinder Heads -PS8015
  • 69cc 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

Also Includes:

  • This engine does NOT come with a Fuel Injection ECU and Wiring Harness
  • Harmonic Balancer
  • Valve Covers
  • LS Swap Oil Pan
  • Timing Cover

Notes:

  • This engine requires a non-weighted flex plate/flywheel.
  • Recommended Fuel: 91 Octane
  • BluePrint Engines recommends a 2200+ RPM stall converter.
  • 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.