BluePrint Engines Standard Edition GM LS Compatible Builder Series - EFI - Black Pulley Kit BLS4278KB4L7

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Specifications:

BrandBluePrint Engines
Part NumberBLS4278KB4L7
GTIN00887753986436
Air Cleaner IncludedNo
Block DescriptionBlueprint Engines High Strength Cast Iron (lsx Style) Block - 6 Bolt Main - 4.0665" Bore
CamHydraulic Roller - .624 Intake / .624 Exhaust Lift - 239 Intake / 255 Exhaust Duration -@.050-114 Lsa
Carb/fuel Injection IncludedYes
Compression Ratio11.0:1
Crankshaft VendorBlueprint Engines
Cylinder Head VendorBlueprint Engines
Cylinder HeadsLs3 Aluminum Cylinder Heads
Cylinder Heads IncludedYes
Distributor IncludedCoil Packs
Distributor VendorBlueprint Engines
Engine BalanceInternally Balanced
Firing Order1,8,7,2,6,5,4,3
Flexplate/flywheel IncludedYes
Fuel Delivery TypeFuel Injected
Fuel Delivery VendorHolley Terminator Efi
Fuel Pump IncludedNo
Harmonic Balancer IncludedYes
Horsepower585
Intake Manifold IncludedYes
Intake Manifold TypeBlueprint Engines Cast Aluminum Intake
Intake Manifold VendorBlueprint Engines
Oil Pan IncludedYes-rear Sump
PistonsForged
Prop 65 Y/n FlagYes
Pulley Kit IncludedYes - Black - Lt1 Style 150amp Alternator, Lt1 Style Water Pump, Type Ii Power Steering Pump With Reservoir, Compact Style Air Conditioning Compressor.
QuantityEa
Rear Main Seal Style1 Piece
Recommended Flexplate/flywheelNon Weighted Bpp12654640 - Bppls1611
Recommended Harmonic BalancerNon-weighted
Recommended Octane Fuel91+ Octane
Recommended Spark PlugCch9405
Recommended Spark Plug Gap.045 In.
Recommended Stall Converter2200+ Rpm
Rotating AssemblyForged Crank - 4.125 In. Stroke And Forged 6.125 In. Rods
Spark Plug Wires IncludedCoil Packs
Spark Plugs IncludedYes
Timing Cover IncludedYes
Timing RequirementsEcm Supplied With Calibration
Torque520 lb-ft
Transmission Model4l65/70e
Transmission TypeAutomatic
Valve Covers IncludedYes
Water Pump IncludedYes

Specifications:

Description:

BluePrint Engines 427 c.i. GM LS Compatible Builder Series - Standard Edition - Fuel Injected - 4L65/70E Automatic Transmission - Polished Pulley Kit. Includes 30-Month / 50,000 Mile Warranty & Dyno Tested