BluePrint Engines Standard Edition GM LS Compatible Builder Series - EFI BLS4278T56

Specifications:

• BrandBluePrint Engines
• Part NumberBLS4278T56
• GTIN00887753986474
• 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 IncludedNo
• 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 ModelT56
• Transmission TypeManual
• Valve Covers IncludedYes
• Water Pump IncludedYes