BP4271LS - Blue Print Engines; Crate Engine; GM LS; 427/625HP; With Roller Cam

BP4271LS - Blue Print Engines; Crate Engine; GM LS; 427/625HP; With Roller Cam


MSRP: $14244.99 ea
$12949.99  ea


WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov

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

This 427 ci with 625 hp and 565 lbs 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.

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
  • Ignitio n 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 specifica lly 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.

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.

This product fits the following vehicle applications. Click to view individual years.

Product Specifications

Shipping Dimensions
Emissions Compliance
  • Non-CARB Compliant: This product is not legal for street use on an emissions-controlled vehicle. It may be used on dedicated competition or pre-polution-controlled vehicles only.
Product Information
Blue Print Engines; Crate Engine; GM LS; 427/625HP; With Roller Cam

This 427 ci with 625 hp and 565 lbs 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.

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
  • Ignitio n 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 specifica lly 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.

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.

Vehicle Fitment

This product fits the following vehicle applications. Click to view individual years.

Specifications

Product Specifications

Shipping Dimensions
Emissions Compliance
  • Non-CARB Compliant: This product is not legal for street use on an emissions-controlled vehicle. It may be used on dedicated competition or pre-polution-controlled vehicles only.


  • Product #:
  • SHIP TYPE:
WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov

This product fits the following vehicle applications. Click to view individual years.

Shipping Dimensions