BluePrint Engines
BluePrint GM LS-Series Crate Engine 427 ci, 605 hp PSLS4273CTF
BluePrint GM LS-Series Crate Engine 427 ci, 605 hp PSLS4273CTF
SKU:BPEPSLS4273CTF
Inventory: 2 in stock
Couldn't load pickup availability
The 427 CID GM-LS stroker crate engine is built from a new GM LS3 aluminum block. It features a 4.125" bore, 4.000" 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
Air Restricted 
Ships via Truck Freight
Note: For a limited time, this BluePrint engine ships for free in the continental US and two provinces in Canada (Ontario and Quebec). This special shipping promotion for BluePrint engines ends September 30, 2025. Engines ship via truck freight.
|
Brand
|
BluePrint Engines
|
|
Part Number
|
PSLS4273CTF
|
|
Product Line
|
ProSeries
|
|
Assembly Style
|
Complete
|
|
Displacement
|
427 CID
|
|
Horsepower
|
605 HP
|
|
Torque
|
565 FT/LB
|
|
Compression Ratio
|
11 to 1
|
|
Main Bolt Style
|
6 Bolt
|
|
Main Seal Style
|
1 Piece
|
|
Block Material
|
Cast Iron
|
|
Cylinder Heads Included
|
Yes
|
|
Cylinder Head Material
|
Aluminum
|
|
Cylinder Head Chamber Volume
|
69 cc
|
|
Stroke
|
4.125 in
|
|
Crankshaft Material
|
Forged
|
|
Piston Material
|
Forged
|
|
Balance Front
|
Internal
|
|
Balance Rear
|
Internal
|
|
Camshaft Style
|
Hydraulic Roller
|
|
Intake Manifold Included
|
Yes
|
|
Distributor Included
|
No
|
|
Spark Plug Wires Included
|
Yes
|
|
Oil Pan Included
|
Yes
|
|
Sump Location
|
Rear
|
|
Valve Covers Included
|
Yes
|
|
Timing Cover Included
|
Yes
|
|
Water Pump Included
|
Yes
|
|
Carburetor Included
|
No
|
|
EFI Included
|
Yes
|
|
Air Cleaner Included
|
No
|
|
Harmonic Balancer Included
|
Yes
|
|
Spark Plugs Included
|
Yes
|
|
Ignition Coils Included
|
Yes
|
|
Quantity
|
Each
|
