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

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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

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 Type	Deluxe Crate Engine
Compression Ratio	11.0:1
Engine Displacement	427 cu. in.
Camshaft Type	Hydraulic Roller
Cylinder Head Material	Aluminum

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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

Guides & Documents

Crate Engines Technical Information (227PSLS42730CT)

Crate Engines Installation Instructions (227PSLS42730CT)

Crate Engines Technical Information (227PSLS42730CT)

Warranty Information

Warranty – BluePrint Engines

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 WARNING:

Can expose you to lead, a carcinogen and reproductive toxicant. See www.P65Warnings.ca.gov

CARB warning

BluePrint Engines PSLS42730CT Specifications

KEY SPECS
MFG. Part #	PSLS42730CT
Brand	BluePrint Engines
Crate Engine Type	Deluxe Crate Engine
Compression Ratio	11.0:1
Engine Displacement	427 cu. in.
Camshaft Type	Hydraulic Roller
Cylinder Head Material	Aluminum
Piston Material	Forged Aluminum
Crankshaft Material	Forged
Carburetor Included	No
Intake Manifold Included	Yes
Distributor Included	Yes
Valve Covers Included	Yes
Engine Balance	Internal
Cylinder Heads Included	Yes
Rear Main Seal Style	1-piece
Throttle Body Included	Yes
Timing Cover Included	Yes
Oil Pan Included	Yes
Water Pump Included	No
Harmonic Balancer Included	Yes
Flexplate Included	No
Flywheel Included	No
Air Cleaner Included	No
Spark Plugs Included	Yes
Spark Plug Wires Included	Yes
Computer Included	Yes
Wiring Harness Included	Yes

GENERAL
Torque	565 ft./lbs.
Horsepower	605 horsepower
Combustion Chamber Volume	69cc
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 Code	00887753979605
Sold in Quantity	Each
Supercharger Included	No

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