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 585 horsepower and 520 ft-lbs of torque. This base dressed beast packs a 11:1 compression ratio, BluePrint aluminum heads, a hydraulic roller cam, and hypereutectic pistons, and nodular iron crankshaft, all locked into a high-strength LSX-style cast iron block. With the drive-by-wire throttle pedal, sensors, and throttle body included, it’s ready to rip—just plug in, fire it up, and hang on.

Description: 

• Horsepower & Torque: 585 Horsepower / 520 ft. lbs. Torque
• Compression Ratio: 11:1
• BluePrint Engines LS3 Aluminum Heads
• BluePrint Engines Hydraulic Roller Cam
  
• BluePrint Engines Forged Crank
• BluePrint Engines Forged Pistons
  

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
• 4.0695" Bore
  
• 6-Bolt Main

Rotating Assembly:

• New 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
• Drive by Wire Throttle Body - BPP12191019
  
• LS3 Cast Aluminum Intake Manifold
  
• LS Swap Oil Pan - BPP81074
  
• Water Pump - BPPLS126WP
  
• Injectors and Fuel Rail Kit
  
• Spark Plugs & Wiring
  
• Harmonic Balancer 
  
• Timing Cover
• Valve Covers
  
• Coil Packs
  

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.
• The Included LS controller package is for engine control only. Does not contain any transmission or body control. The ECU comes with calibration that is optimal for our engine, however, please note that vehicle parameters such as gearing, tire size, vehicle weight, air intake, headers, etc. may necessitate additional tuning once installed into your specific vehicle. The included ECU is unlocked for further refinement at your local dyno shop if required.
• BluePrint Engines Recommends Air Intake Kit BPPLS01013 to ensure correct MAF calculations and Dyno calibration are maintained with the provided ECU / tuning.