Item # 65971 BRAND: BluePrint Engines

BluePrint Engines Pro Series Chevy LS 427 ci. 625HP EFI Drop-In Base Long Block Crate Engine PSLS427

427CI LS Stroker Crate Engine | GM LS Style | Longblock | Aluminum Heads | Roller Cam | Late Model Upgrade
427CI LS Stroker Crate Engine | GM LS Style | Longblock | Aluminum Heads | Roller Cam | Late Model Upgrade
  • bvseo_sdk, p_sdk, 3.2.1
  • CLOUD, getAggregateRating, 26.45ms
  • REVIEWS, PRODUCT
  • bvseo-msg: HTTP status code of 404 was returned;
$11,949.00
Loading...
Loading...
Save for Later
427CI LS Stroker Crate Engine | GM LS Style | Longblock | Aluminum Heads | Roller Cam | Late Model Upgrade

100% Satisfaction Guarantee Since 1978
We stand behind our solutions and customers.

  • • Lifetime Tech Support
BluePrint Engines Pro Series Chevy LS 427 ci. 625HP EFI Drop-In Base Long Block Crate Engine PSLS427

Product Overview:

Description

DESCRIPTION

  • HP & Torque: 625 HP / 550 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:

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

IGNITION TIMING:

  • ECM Controlled (not included - customer must reprogram)

ALSO INCLUDES:

  • Timing cover
    LS3 Intake manifold

WARRANTY:

  • 30 month / 50,000 mile

NOTES:

  • This engine requires a non-weighted harmonic balancer, and non-weighted flexplate/flywheel.
    This engine is specifically designed to replace your existing LS engine - a direct replacement for Gen 4 applications.
    Built with a 58x Gen 4 style reluctor and sensors.

    Not for use in pollution controlled vehicles.
    Recommended Fuel: 91 Octane
    BluePrint Engines recommends a 2200+ RPM stall converter

  • Because this engine does not ship with an oil pan, we do not dyno test prior to the engine being shipped.

Warranty

The satisfaction of our customers is our highest priority at BluePrint Engines. We use quality components to balance your engine's rotating assembly within two grams of spec. We dyno test your crate engine and certify that it's ready to deliver horsep

Specifications

Your BluePrint engine was dyno tested with the parts and specifications listed below.  If you prefer to install a different part, your engine may not produce the horsepower recorded on your dyno sheet.

 

Part Number: PSLS4271CT

Fuel Delivery Type: Fuel Injected

Spark Plug: AC Delco 41-985

Spark Plug Gap: .040"

Harmonic Balancer: Non-Weighted

Flexplate/Flywheel: Non-Weighted

Stall Converter: 2200+

Intake Manifold: LS3

Fuel Recommendation: 91-93 Octane

Timing (Initial/Total Advance): Ignition timing and spark advance are controlled by Powertrain Control Module

Firing Order: 1,8,7,2,6,5,4,3

Notes: Recommended break in oil for your BluePrint Crate Engine: BPP710, 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.

In the Box

Guides & Accessories

Reviews

  • bvseo_sdk, p_sdk, 3.2.1
  • CLOUD, getReviews, 13.14ms
  • REVIEWS, PRODUCT
  • bvseo-msg: HTTP status code of 404 was returned; HTTP status code of 404 was returned;

Questions & Answers

  • bvseo_sdk, p_sdk, 3.2.1
  • CLOUD, getContent, 36.44ms
  • QUESTIONS, PRODUCT
  • bvseo-msg: HTTP status code of 404 was returned;
Glossary
Unsure of a term? Look it up on our Glossary powered by The Garage
BluePrint Engines Pro Series Chevy LS 427 ci. 625HP EFI Drop-In Base Long Block Crate Engine PSLS427
$11,949.00
In Stock