What are the product specifications of BP4273LS?

Product Description: Blue Print Engines; Crate Engine; GM LS Retro Fit; 427/625HP; With Roller Cam

Specifications:

  • HP: 625
  • Torque: 565
  • Engine Type: New GM LS3/L92 aluminum block
  • Displacement: 427 ci
  • Crankshaft: BluePrint orScat forged
  • Rods: forged I beam
  • Pistons: forged Mahle
  • Rings: Mahle performance
  • Camshaft Type: roller
  • Camshaft Lift:.624 in x.624 ex
  • Duration @.050-114° lobe separation: 239 in x 255 ex
  • Cylinder Heads: BluePrint LS3 aluminum
  • Chamber Size: 68 cc
  • Valve Size: 2.165 in x 1.590 ex
  • Compression Ratio: 11.0:1
  • Recommended Fuel: 91-93 octane
  • Recommended Oil: 10W30, Non-Synthetic
  • Ignition Timing: ECM supplied with calibration
  • Important: This engine requires a non-weighted flexplate/flywheel. BluePrint Engines recommends a 2200+ RPM stall converter. Not for EGR Universal fit oil pan, drive by wire throttle body and matching throttle pedal. Also includes sensors, coil packs, and wiring harness, and a new ECM with our custom tune installed. Retro fit oil pan will fit most 1955-1995 GM front engine, RWD, V8 cars. Not designed for late model applications that were originally equipped with factory fuel.
  • Note: Not for use in pollution controlled vehicles.
  • Shipping: Shipped truck freight direct from the manufacturer.

BP4273LS