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BluePrint Engines 625hp LS 427 Crate Engine 7.0L Aluminum PSLS4272CTF

$15,299.00
AS OF 1/16/24 WE HAVE 1 IN STOCK!


PLEASE READ THE NOTES BELOW: 

***WE WILL OFFER A $300 DISCOUNT IF PAID BY WIRE TRANSFER.
***SHIPPING TO A COMMERCIAL ADDRESS OR FREIGHT HUB IS INCLUDED. RESIDENTIAL DELIVERY WILL ADD $150.

__________________________________________________


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

BLOCK:

  • OEM 6.2L-based LS3 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 (Keep this in mind when ordering an oil pan, not all of them fit) 
  • Forged 6.125" connecting Rods
  • Forged Pistons
  • Internal balance

CYLINDER HEADS:

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

CAM SPECS:

  • Hydraulic roller cam
  • .624 intake .624 exhaust lift
  • 239 intake 255 exhaust duration @ .050, 114 degree lobe sep.

IGNITION TIMING:

  • ECM supplied with calibration, and harness. 
  • Not capable of transmission control
  • Transmission controller required

ALSO INCLUDES:

  • 87mm LT5 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
  • Dyno tested & shipped with results

WARRANTY:

  • 30 month / 50,000 mile

NOTES:

  • This engine requires a non-weighted flexplate/flywheel.
  • Recommended Fuel: 91 Octane
  • BluePrint Engines recommends a 2200+ RPM stall converter.
    (PTS recommends a 2800+ stall for max performance) 
  • 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.