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BluePrint Builder Series LS427/605HP Standard Edition EFI Crate Engine and T56 Transmission Combos

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BluePrint Builder Series LS427/605HP Standard Edition EFI crate engine and T56 transmission combos take the guesswork out of matching up an engine and transmission
BluePrint Builder Series LS427/605HP Standard Edition EFI crate engine and T56 transmission combos take the guesswork out of matching up an engine and transmission for your ride. Featuring a fuel injected Chevy LS small block-compatible 427 (c.i.d.) engine that produces 605 horsepower, this standard edition builder series includes a T56 manual transmission and pulley kit (pulley kit is an optional add-on, depending on the specific engine package you purchase). The aluminum BluePrint Engines cylinder heads help produce a nice 11.1 compression ratio, with assistance from the hydraulic roller camshaft, forged pistons, a
BluePrint Builder Series LS427/605HP Standard Edition EFI crate engine and T56 transmission combos take the guesswork out of matching up an engine and transmission for your ride. Featuring a fuel injected Chevy LS small block-compatible 427 (c.i.d.) engine that produces 605 horsepower, this standard edition builder series includes a T56 manual transmission and pulley kit (pulley kit is an optional add-on, depending on the specific engine package you purchase). The aluminum BluePrint Engines cylinder heads help produce a nice 11.1 compression ratio, with assistance from the hydraulic roller camshaft, forged pistons, and forged crankshaft. Altogether, this assembly produces 565 lbs.-ft. of torque. When you need or want a new LS powertrain for your ride, go with the authority in crate engines and their BluePrint Builder Series LS427/605HP Standard Edition EFI crate engine and T56 transmission combos. Other product features, items, and specifications: * BluePrint Engines High Strength Cast Iron (LSX Style) Block * Increased deck thickness and strength webbing * Utilizes OEM LS3 front and rear covers * Improved water jacket design * Extended cylinder skirt * One-piece rear main seal * 4.0665 in. bore * Priority main oiling * 6-bolt main Rotating Assembly: * Forged crankshaft * Stroke – 4.125 in. * Forged 6.125 in. connecting rods * Forged pistons * Internally balanced (front and rear) Cylinder Heads: * BluePrint cast aluminum PS8015 models * Chamber – 70cc * Valves are 2.165 in. intake and 1.600 in. exhaust * Exhaust runners are 259cc intake and 102cc exhaust Camshaft Specs: * Hydraulic roller * Intake valve lift – 0.624 in. * Exhaust valve lift – 0.624 in. * Intake duration at 0.050 in. of lift – 239 * Exhaust duration at 0.050 in. of lift – 255 * Lobe separation angle (LSA) – 114 degrees Ignition Timing: * ECM supplied calibration Assembled T56 6-speed Transmission Package: * McLeod Super Street Pro dual-disc clutch * Steel Bell housing * Billet flywheel * Engine guard * Starter * Gear ratios are 2.66:1 (first), 1.78:1 (second), 1.30:1 (third), 1.00:1 (fourth), 0.80:1 (fifth), and 0.63:1 (sixth) Other Components: * MLL-BLS4273KBT56 and MLL-BLS4273KT56 engine/trans combos include front accessory drive with LT1 style 150-amp alternator, LT1 Style water pump, Type II power steering pump with baffled edges, and compact style A/C compressor * Holley Terminator X Max - Gen IV Complete ECU/Harness EFI System * LS Swap oil pan, windage tray, pickup screen * BluePrint Engines fuel injectors and rail * Low-profile swap oil pan * DBW throttle body * Throttle pedal, and sensors * GM plastic intake manifold * Spark plugs and wires * Harmonic balancer * Coil packs Important Notes: Retro fit oil pan will fit most 1955-1995 GM front engine, RWD, V8 cars. Not for use in pollution-controlled vehicles or in dry sump applications. BluePrint Engines recommends air intake kit BPPLS01013 to ensure correct MAF calculations and Dyno calibration are maintained with the provided ECU / tuning. Engine/Trans Package ships assembled.

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Engine 427 c.i. LS Builder Series Iron Block Standard Edition, Fuel Injected, T56 Manual Transmission w/ Polished Pulley Kit

Part Number: MLL-BLS4273KT56

Not Yet Reviewed

Estimated Ship Date: Sep 23, 2025 if ordered today

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Estimated Ship Date: Sep 23, 2025 if ordered today

Engine 427 c.i. LS Builder Series Iron Block Standard Edition, Fuel Injected, T56 Manual Transmission

Part Number: MLL-BLS4273T56

Not Yet Reviewed

Estimated Ship Date: Sep 23, 2025 if ordered today

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Estimated Ship Date: Sep 23, 2025 if ordered today

Engine 427 c.i. LS Builder Series Iron Block Standard Edition, Fuel Injected, T56 Manual Transmission w/ Black Pulley Kit

Part Number: MLL-BLS4273KBT56

Not Yet Reviewed

Estimated Ship Date: Sep 23, 2025 if ordered today

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Estimated Ship Date: Sep 23, 2025 if ordered today

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