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$9,045.99
BluePrint PSLS4271CT GM 427 LS Engine, Base Fuel Injected Drop-in
BluePrint PSLS4271CT GM 427 LS Engine, Base Fuel Injected Drop-in

BluePrint PSLS4271CT GM 427 LS Engine, Base Fuel Injected Drop-in

L92 Chevy LS V8, LS3 Chevy LS V8, 427 cu. in. Engine Displacement, Long Block Crate Engine Type

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BluePrint PSLS4271CT GM 427 LS Engine, Base Fuel Injected Drop-in
BluePrint PSLS4271CT GM 427 LS Engine, Base Fuel Injected Drop-in
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We estimate this item will ship on or before November 7th.
Part # 227PSLS4271CT
$9,045.99
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Important Messages:

  • This item ships directly from the manufacturer. It may take an additional 30 business days for BluePrint Engines to ship this item.
  • This item ships via Ground Shipping only. Expedited and Air shipping options are not available.

Details

Horsepower:
605 horsepower
Torque:
575 ft./lbs.
Engine Displacement:
427 cu. in.
Crate Engine Type:
Long Block
Compression Ratio:
10.8:1
Camshaft Type:
Hydraulic Roller Tappet
Cylinder Head Material:
Aluminum
Piston Material:
Forged Aluminum
Crankshaft Material:
Forged Steel
Camshaft Duration (@.050 in):
239° intake / 255° exhaust
Intake Manifold Included:
Yes
Distributor Included:
No
MFG. Part #:
PSLS4271CT
Connecting Rod Material:
Forged Steel
Warranty:
30 month / 50,000 miles
Valve Covers Included:
No
Assembled:
Yes
Cylinder Heads Included:
Yes
Oil Pan Included:
No
Timing Cover Included:
Yes
Water Pump Included:
Yes
Harmonic Balancer Included:
No
Flexplate Included:
No
Flywheel Included:
No
Air Cleaner Included:
No
Spark Plugs Included:
No
Spark Plug Wires Included:
No
Camshaft Included:
Yes
Camshaft Lift (in):
.624 intake / .624 exhaust
Cylinder Heads:
BluePrint Aluminum Cylinder Head PS8015
Bore x Stroke (in):
4.069" x 4.125"
Block:
GM LS3/L92 Aluminum block, 6-bolt main

Info

True Blue Power! BluePrints pro engine builders are enthusiasts just like you and it shows in the quality and performance of every engine they build. Each BluePrint crate engine is carefully dyno tested and ships with printed, proven results. If you’re looking serious horsepower at an affordable price, BluePrint Engines is the choice for you!

GM 427 LS Series - Base Fuel Injected Drop-in - Aluminum Heads

Overview

  • HP & Torque: 625 HP / 565 FT LBS Dyno Proven
  • Compression Ratio: 11.0:1
  • Aluminum Heads
  • Forged Pistons
  • Roller Cam
  • Forged Crank
  • Part #: PSLS4271CT

Block

  • New GM LS3/L92 Aluminum Block!

Rotating Assembly

  • Forged Steel Crankshaft
  • Forged Mahle Pistons
  • Forged I Beam Rods
  • Mahle Performance Rings
  • Balanced Rotating Assembly
  • Hydraulic Roller cam
  • Premium Single true roller timing set
  • GM factory roller rockers with upgraded full roller trunion

Cylinder Heads

  • New BluePrint Aluminum Cylinder Heads - PS8015
  • Chrome moly retainers and spring locators
  • Dual coil .650" lift valve springs
  • 2.165 intake valves
  • 1.590 exhaust valves
  • Hardened push rods

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.Recommended Fuel: 91 OctaneBluePrint Engines recommends a 2200+ RPM stall converter.

Warranties

Warranty Information (PDF)

Notes

Recommended oil for your BluePrint Crate Engine: 10W30, Non-Synthetic, 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 application
Some parts are not legal for use in California or other states with similar laws/regulations

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