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BluePrint PSLS42730CT GM/LS Compatible 427 c.i. ProSeries Engine

Ships FREE!

BluePrint PSLS42730CT GM/LS Compatible 427 c.i. ProSeries Engine
BluePrint Engines

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#227PSLS42730CT

BluePrint PSLS42730CT GM/LS Compatible 427 c.i. ProSeries Engine

  • 605 Horsepower / 565 FT. LBS. Torque
  • LS3 Aluminum Cylinder Heads
  • 11:1 Compression Ratio
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Level Of Dress:

#1 Long Block

#3 Base Dressed - Holley EFI System#2 Base Dressed - No ECU/Harness

$10,799.00

/each

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Product Summary

Deluxe Crate Engine Crate Engine Type, Oil Pan Included

  • 605 Horsepower / 565 FT. LBS. Torque
  • LS3 Aluminum Cylinder Heads
  • 11:1 Compression Ratio
  • Forged Pistons
  • Steel Crank - 4.125" Stroke and 6.125" Rods
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Key Specs

Crate Engine TypeDeluxe Crate Engine
Compression Ratio11.0:1
Engine Displacement427 cu. in.
Camshaft TypeHydraulic Roller
Cylinder Head MaterialAluminum
See more specs

Need To Know

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BluePrint Engines PSLS42730CT Details

BluePrint Engines provides a Dyno Promise with results and bragging rights. They make sure they hit their target horsepower and proper torque with every crate engine, utilizing an advanced computerized balancer to get rotating assemblies within 2 grams, ensuring silky smooth power over the entire rpm range. According to BluePrint, that's precisely why their engines sound and run better than the competitors. Accompanying your BluePrint Engines Pro Series Chevy LS 427 c.i.d. 605 hp long block crate engine will be a comprehensive, dyno-generated printout showing its critical specs. No more guessing what the real-world peak horsepower and torque ratings are. Any doubters in the crowd? Simply flash them your dyno results!

  • 605 Horsepower / 565 FT. LBS. Torque
  • LS3 Aluminum Cylinder Heads
  • 11:1 Compression Ratio
  • Hydraulic Roller Cam - .624 Intake / .624 Exhaust Lift and 239 Intake / 255 Exhaust Duration @ .050 - 114° LSA - Three Bolt Cam
  • Forged Pistons
  • Steel Crank - 4.125" Stroke and 6.125" Rods

Warranty Information

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CARB Warning

For race/ off road use or for use on pre-1966 vehicles.

Emissions warning: this part only legal for sale or use in California for racing (competition) vehicles which may never be used, registered, or licensed for use upon a public highway, or if installed in vehicles model-year 1965 or older; motorcycles model-year 1977 or older; or off-highway recreational vehicles (such as off-road motorcycles and all-terrain vehicles) model-year 1996 and older. Any other use renders the vehicle tampered and not legal for use on California public highways (any public street or roadway, public dirt road, public park, or publicly maintained right of way open to the use of the public for vehicular travel). Violations subject to $37,500 penalty per violation per vehicle, revocation of registration, loss of use on California public right of ways, and proof of correction for tampering. There are similar restrictions and penalties under federal law and the laws of all other states with penalties under federal law of up to approximately $45,268 per tampered vehicle and/or engine.
CA Prop 65
CARB warning

BluePrint Engines PSLS42730CT Specifications

KEY SPECS
MFG. Part #PSLS42730CT
BrandBluePrint Engines
Crate Engine TypeDeluxe Crate Engine
Compression Ratio11.0:1
Engine Displacement427 cu. in.
Camshaft TypeHydraulic Roller
Cylinder Head MaterialAluminum
Piston MaterialForged Aluminum
Crankshaft MaterialForged
Carburetor IncludedNo
Intake Manifold IncludedYes
Distributor IncludedYes
Valve Covers IncludedYes
Engine BalanceInternal
Cylinder Heads IncludedYes
Rear Main Seal Style1-piece
Throttle Body IncludedYes
Timing Cover IncludedYes
Oil Pan IncludedYes
Water Pump IncludedNo
Harmonic Balancer IncludedYes
Flexplate IncludedNo
Flywheel IncludedNo
Air Cleaner IncludedNo
Spark Plugs IncludedYes
Spark Plug Wires IncludedYes
Computer IncludedYes
Wiring Harness IncludedYes
GENERAL
Torque565 ft./lbs.
Horsepower605 horsepower
Combustion Chamber Volume69cc
Camshaft Duration (.050 in)239° intake / 255° exhaust
Camshaft Lift (in).624 intake / .624 exhaust
Bore x Stroke (in)4.060" bored to 4.069" x 4.125"
GTIN Code00887753979605
Sold in QuantityEach
Supercharger IncludedNo

Questions & Answers

1 Question • 1 Answer

Is the block iron?

by LJ

• a year ago

1 answer

View Answer

1 of 1 questions shown

Fitment

  • GM LM4

  • GM LS6

  • GM LM7

  • GM LQ9

  • GM LM7

  • GM LQ9

  • GM LM7

  • GM LQ9

  • GM LM7

  • 4.8 Chevy LS V8

  • GM LM7

  • GM LQ4

  • GM LS1

  • GM LS1

  • GM LS1

  • GM LS6

  • 4.8 Chevy LS V8

  • GM LM7

  • GM LQ4

  • GM LQ4

  • GM LQ4

  • GM LQ9

  • GM LQ4

  • GM LM7

  • GM LQ4

  • GM LQ9

  • GM LQ4

  • GM LQ4

  • GM LQ4

  • GM LQ4

  • GM LQ4

  • GM LM4

  • GM LM7

  • GM L59

  • GM LM7

  • GM LQ4

  • 4.8 Chevy LS V8

  • GM L59

  • GM LM7

  • 4.8 Chevy LS V8

  • GM LM4

  • GM LM4

  • GM LM4

  • 4.8 Chevy LS V8

  • GM LM7

  • GM LQ4

  • 4.8 Chevy LS V8

  • GM L33

  • GM LM7

  • GM LQ4

  • 4.8 Chevy LS V8

  • GM L33

  • GM LQ4

  • 4.8 Chevy LS V8

  • GM LM7

  • GM LQ4

  • 4.8 Chevy LS V8

  • GM L33

  • GM LQ4

  • 4.8 Chevy LS V8

  • GM LM7

  • GM LQ4

  • 4.8 Chevy LS V8

  • GM L33

  • GM LQ4

  • GM L33

  • GM L59

  • GM LM7

  • GM LQ4

  • GM LQ4

  • GM LQ4

  • GM LM7

  • GM LQ4

  • GM LQ4

  • GM LQ4

  • GM LQ4

  • GM LQ4

  • GM LQ4

  • GM LQ4

  • 4.8 Chevy LS V8

  • GM LM7

  • GM LM7

  • GM L59

  • GM LM7

  • GM LQ4

  • GM LQ4

  • GM LQ4

  • GM LS1

  • GM LS1

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