BluePrint Crate Engine - GM LS 427 EFI 625HP Dressed Model PSLS4272CTF

BluePrint Crate Engine - GM LS 427 EFI 625HP Dressed Model PSLS4272CTF

• HP & Torque: 625 HP / 565 FT LBS
• Compression Ratio: 11:1
• Aluminum Heads
• Hydraulic Roller Cam
• Forged Crank
• Forged Pistons

BLOCK:

• OEM Block Machined in the USA!
• 6-Bolt Main
• 4.060" Bored to 4.069
• 1-Piece Rear Main Seal

ROTATING ASSEMBLY:

• New Forged Crankshaft
• 4.125" stroke
• Forged 6.125" connecting rods
• Forged Pistons
• Internal

CYLINDER HEADS:

• BluePrint Aluminum Cylinder Heads -PS8015
• 72cc chamber
• 2.165" intake/1.600" exhaust valves
• 259cc intake/102cc exhaust runners

CAM SPECS:

• Roller
• .624 intake .624 exhaust lift
• 239 intake 255 exhaust duration
• @ .050, 114-degree lobe sep.

IGNITION TIMING:

• ECM supplied with calibration
• Not capable of transmission control
• Transmission controller required

ALSO INCLUDES:

• 87mm LT4 DBW Throttle Body
• LS3 intake manifold
• 42# injectors and returnless fuel rail
• Harmonic balancer
• Valve covers, retro fit oil pan and timing cover
• Coil Packs
• All sensors required for engine to run
• Spark plug wires & wiring harness
• Gas pedal

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.

This product is excluded from any discounts.