What are the product specifications of BP4271LS?

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

Specifications:

  • HP: 625
  • Torque: 565
  • Engine Type: New GM LS3/L92 aluminum block
  • Displacement: 427 ci
  • Crankshaft: BluePrint orS cat 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 controlled (not included - customer sends thier original to BluePrint for reprogramming
  • Important: This engine requires a non-weighted harmonic balancer, and non-weighted flexplate/flywheel. BlueP rint Engines recommends a 2200+ RPM stall converter. This engine is specifically designed to replace your existing LS engine - a direct drop in for Gen 4 applications. Built with a 58x Gen 4 style reluctor and sensors. Not for EGR This engine is specifically designed to replace your existing LS engine. Built with a 58x Gen 4 style reluctor and sensors, this engine is a drop in for Gen 4 applications. Also included is a free retune of your ECM - Contact BluePrint Engines for details.
  • This 427-cubic inch V8 makes 625 hp and has 565 lb.-ft. of torque. Includes balanced rotating assembly, timing cover, chrome moly retainers and spring locators, dual coil.650" lift valve springs, hardened push rods, premium single true roller timing set, GM roller rocker s with upgraded full rocker trunion, and GM LS3 intake manifold.
  • Note: Not for use in pollution controlled vehicles.
  • Shipping: Special order. Shipped truck freight. Must be pre-paid. No further discounts apply.
  • Shipping: Shipped truck freight direct from the manufacturer.

BP4271LS