BluePrint GM LS-Series Crate Engine 427 ci, 605 hp PSLS4273CTF
This 427 LS crate engine from BluePrint Engines is rated at 605 HP and is equipped with Holley Terminator X EFI, part number PSLS4273CTF. See the full description below for specifications and included parts.
Browse more GM LS / LT crate engines or compare dressing levels in our long block vs short block guide. Ships for a flat $75 to any US state (shipping policy).
The 427 CID GM-LS stroker crate engine is built on a BluePrint Engines high-strength cast iron (LSX-style) block. It features a 4.0685″ bore, 4.125″ stroke, 11:1 compression, forged internals, and aluminum heads. Each engine is dyno-tested and documented for an output of 605 horsepower and 565 ft./lbs. of torque. Equipped with the Holley Terminator X EFI system and a hydraulic roller cam, this engine offers performance and reliability for high-powered street or strip builds.
Crate Engine, Base Dressed, 427 Cubic Inch, 605 HP, GM LS-Series – Brand: BluePrint Engines – Part Number: PSLS4273CTF
Specifications
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Brand
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BluePrint Engines
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Part Number
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PSLS4273CTF
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Product Line
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ProSeries
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Assembly Style
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Complete
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Displacement
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427 CID
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Horsepower
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605 HP
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Torque
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565 FT/LB
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Compression Ratio
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11 to 1
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Main Bolt Style
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6 Bolt
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Main Seal Style
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1 Piece
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Block Material
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Cast Iron
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Cylinder Heads Included
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Yes
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Cylinder Head Material
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Aluminum
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Cylinder Head Chamber Volume
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69 cc
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Stroke
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4.125 in
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Crankshaft Material
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Forged
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Piston Material
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Forged
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Balance Front
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Internal
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Balance Rear
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Internal
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Camshaft Style
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Hydraulic Roller
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Intake Manifold Included
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Yes
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Distributor Included
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No
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Spark Plug Wires Included
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Yes
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Oil Pan Included
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Yes
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Sump Location
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Rear
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Valve Covers Included
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Yes
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Timing Cover Included
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Yes
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Water Pump Included
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Yes
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Carburetor Included
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No
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EFI Included
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Yes
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Air Cleaner Included
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No
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Harmonic Balancer Included
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Yes
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Spark Plugs Included
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Yes
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Ignition Coils Included
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Yes
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Quantity
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Each
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