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BluePrint Engines Pro Series Chevy 427 C.I.D. 605 HP Dressed Stroker Long Block Crate PSLS4278CTFK Engine, Stroker, GM LS Compatible Engine, Deluxe Dressed, Fuel Injected, with Polished Pulley Kit, Chevy, Each

SKU: MLLPSLS4278CTFK

Crate Engines

BluePrint Engines Pro Series Chevy 427 C.I.D. 605 HP Dressed Stroker Long Block Crate PSLS4278CTFK Engine, Stroker, GM LS Compatible Engine, Deluxe Dressed, Fuel Injected, with Polished Pulley Kit, Chevy, Each

SKU: MLLPSLS4278CTFK

Crate Engines
A$37,459.54
BACKORDER This item will be special ordered in for you. Contact us prior to purchase if you require an ETA.
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Description

BluePrint Engines Pro Series Chevy 427 c.i.d. 605 hp dressed stroker long block crate engines are factory dyno tested with a complete MPFI system. These GM LS compatible performance engines are capable of producing at least 585 hp and 520 lbs.-ft. of torque. The PSLS4278CTFK comes with LS cast aluminum intake, coil packs with spark plugs and wires, retro fit oil pan, water pump, harmonic balancer, all sensors to run the engine, gas pedal, with a polished front pulley kit.

-- Description:
* Horsepower and torque: 585 hp / 520 lbs.-ft.
* Compression ratio: 11:1
* Aluminum heads
* Hydraulic roller cam
* Forged crank
* Forged pistons

-- Block:
* BluePrint Engines high-strength cast iron (LSX style) block
* Increased deck thickness and strength webbing
* Extended cylinder skirt
* Priority main oiling
* 4.0695 in. bore
* 6-bolt main
* 1-piece rear main seal
* Improved water jacket design
* Utilizes OEM LS3 front and rear covers

-- Rotating Assembly:
* New forged crankshaft
* 4.125 in. stroke
* Forged 6.125 in. connecting rods
* Forged pistons
* Internally balanced

-- Cylinder Heads:
* BluePrint aluminum cylinder heads - PS8015
* 69cc chamber
* 2.165 in. Intake / 1.590 in. Exhaust valves
* 259cc Intake /102cc Exhaust runners

-- Cam Specs:
* Hydraulic roller
* .624 Intake / .624 Exhaust lift
* 239 Intake / 255 Exhaust duration
* at .050-114 degree lobe separation

-- Ignition Timing:
* ECM supplied with calibration
* Not capable of transmission control
* Transmission controller required

-- Also Includes:
* Drive-by-wire throttle body
* BluePrint Engines cast aluminum intake manifold
* 42 lb. injectors and returnless fuel rail
* Harmonic balancer
* Valve covers
* Retro fit oil pan
* Timing cover
* Coil packs
* Spark plug and wires
* Wiring harness
* Gas pedal
* Front accessory drive with water pump, alternator, power steering pump, and A/C compressor

-- Notes:
* This engine requires a non-weighted flex plate/flywheel.
* Recommended Fuel: 91 Octane.
* The front accessory drive on this engine fits many vehicles, however it is the customer responsibility to accurately measure and confirm fitment. Note this is a low-profile design, but things such as power steering hoses, alternator wiring, and additional fittings/fabrication may be required on some vehicles.
* BluePrint Engines recommends a 2200+ RPM stall converter.
* Retro fit oil pan will fit most 1955-95 GM front engine, RWD, V8 cars.
* Not for use in pollution-controlled vehicles or in dry sump applications.
* The included LS controller package is for engine control only. Does not contain any transmission or body control. The ECU comes with calibration that is optimal for the engine; however, please note that vehicle parameters such as gearing, tire size, vehicle weight, air intake, headers, etc. may necessitate additional tuning once installed into your specific vehicle. The included ECU is unlocked for further refinement at your local dyno shop if required.
* BluePrint Engines recommends air intake kit BPPLS01013 to ensure correct MAF calculations and dyno calibration are maintained with the provided ECU / tuning.

Part Type

Crate Engines

Data: v4.2 - Upd: 2026-09-27 14:39:36

Specifications

Product Attributes - Brand
BluePrint Engines
Product Attributes - Manufacturer's Part Number
PSLS4278CTFK
Product Attributes - Part Type
Crate Engines
Product Attributes - Product Line
BluePrint Engines Pro Series Chevy 427 C.I.D. 605 HP Dressed Stroker Long Block Crate Engines
Product Attributes - UPC
00887753979704
Product Attributes - Crate Engine Family
Chevy LS
Product Attributes - Actual Engine Displacement
7.0L/427
Product Attributes - Crate Engine Cylinder Head Material
Aluminum
Product Attributes - Engine Block Material
Cast iron
Product Attributes - Advertised Compression Ratio
11.0:1
Product Attributes - Assembled
Yes
Product Attributes - Engine Balance
Internal
Product Attributes - Cam Style
Hydraulic roller, OE roller
Product Attributes - Rear Main Seal Style
1-piece
Product Attributes - Intake Manifold Included
Yes
Product Attributes - Intake Manifold Style
Fuel Injection
Product Attributes - Cylinder Heads Included
Yes
Product Attributes - Carburetor Included
No
Product Attributes - Throttle Body Included
Yes
Product Attributes - Distributor Included
No
Product Attributes - Oil Pan Included
Yes
Product Attributes - Valve Covers Included
Yes
Product Attributes - Timing Cover Included
Yes
Product Attributes - Water Pump Included
Yes
Product Attributes - Harmonic Balancer Included
Yes
Product Attributes - Flexplate Included
No
Product Attributes - Flywheel Included
No
Product Attributes - Air Cleaner Included
No
Product Attributes - Spark Plugs Included
Yes
Product Attributes - Spark Plug Wires Included
Yes
Product Attributes - Computer Included
Yes
Product Attributes - Wiring Harness Included
Yes
Product Attributes - Stall Speed Rating RPM Range
2,200-3,200
Product Attributes - Supercharger Included
No
Product Attributes - Remanufactured
No
Product Attributes - Quantity
Sold individually.
Product Attributes - Notes
Includes complete engine harness, GM ECU, drive-by-wire pedal, harness, sensors, throttle body, injectors, and fuel rails.

Reference Information

Brand Name/s Blueprint Engines
StreetFX SKU mllPSLS4278CTFK
SFX Item ID 5183227
Supplier Item Code 5183227
Manufacturer SKU PSLS4278CTFK
Manufacturer UPC N/A

Compatibility

Application Data
  • MakeCHEVROLET
    Beginning Year2008
    Ending Year2017
    Engine TypeV8
    Engine Size6.2L/376
    Engine FamilyChevy small block Gen III/IV (LS-based engines)
    Cylinder Head TypeLS3
    Fuel TypeGAS
    AspirationNaturally Aspirated
    Valves Per Engine16

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