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LS3 Crate Engine by BluePrint Engines 427CI 625 HP ProSeries Stroker Crate Engine GM LS Style Longblock Aluminum Heads Roller Cam Late Model Drop In Upgrade PSLS4271CT

This product may require vehicle validation(s) for proper fitment. Please contact us to confirm correct vehicle fitment and usage.

PSLS4271CT
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Pricing: $8,999.00

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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 sends their original ECM to BluePrint for reprogramming)

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 drop in for Gen 4 applications.
Built with a 58x Gen 4 style reluctor and sensors.
Also included is a free retune of your ECM - Contact BluePrint Engines for detail
Not for use in pollution controlled vehicles.
Recommended Fuel: 91 Octane
BluePrint Engines recommends a 2200+ RPM stall converter

Application List

Universal

Shipping Information

  • Item Requires Shipping
  • 500.0 lbs.
  • W5.0000” x H5.0000” x L5.0000”
  • Free Shipping!
  • This item will require a special quote for shipping charges.
  • FREE 48 State Truck Freight Shipping (International shipping will require freight quote)

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