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Overview:
The LS-compatible layout has become a favorite for its rock-solid reliability and proven track record, this BluePrint 427 c.i. Pro Series is a street-ready powerhouse built for performance. Delivering a power packed 600 horsepower and 530 ft-lbs of torque, this popular LS-compatible engine is perfect for restomods, street machines, and pro-touring builds. At its core is a high-strength BluePrint cast iron block with LSX-style features��thicker decks, reinforced webbing, and extended cylinder skirts for added durability. It's topped with LS3-style aluminum heads, a 11:1 compression ratio, hydraulic roller cam, hypereutectic pistons, a nodular iron crankshaft, and�BluePrint Engines Fabbed Aluminum Intake Manifold.
Description:�
- Horsepower & Torque: 600 Horsepower / 530 FT LBS
 - Compression Ratio: 11:1
 - BluePrint Engines LS3 Aluminum Heads
 - BluePrint Engines Hydraulic Roller Cam
 - BluePrint Engines Forged Pistons
 - BluePrint Engines Forged Crank
 
Block:
- 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
 - 1-Piece Rear Main Seal
 - Priority Main Oiling
 - 4.0695" Bore
 - 6-Bolt Main
 
Rotating Assembly:
- Forged Crankshaft
 - 4.125" Stroke
 - Forged 6.125" Connecting Rods
 - Forged Pistons
 - Internally Balanced Front and Rear
 
Cylinder Heads:
- BluePrint Aluminum Cylinder Heads- PS8015
 - 69cc Chamber
 - 2.165" Intake / 1.590" Exhaust Valves
 - 259cc Intake / 102cc Exhaust Runners
 
Cam Specs:
- Hydraulic Roller
 - .624 Intake / .624 Exhaust Lift
 - 239 Intake / 255 Exhaust Duration
 - @.050-114 Degree Lobe Separation
 
Also Includes:
- This engine Does NOT come with a Fuel Injection ECU and Wiring Harness
 - LS3 Fabricated Intake Manifold & Fuel Rail - BPP822112
 - Drive by Wire Throttle Body - BPP12191019
 - Retro Fit Oil Pan - BPP81074
 - Water Pump - BPPLS126WP
 - Spark Plugs and Wires
 - Harmonic Balancer
 - Timing Cover
 - Valve Covers
 - Coil Packs
 - Injectors
 
Notes:
- This engine requires a non-weighted flex plate/flywheel.
 - Recommended fuel: 91 Octane.
 - BluePrint Engines recommends a 2200+ RPM stall converter.
 - 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.
 - Does NOT include engine controller. This is a dressed long block only. No Harness/ECU provided. This is for customers wishing to use their own engine controller package.
 - BluePrint Engines Recommends Air Intake Kit�BPPLS01013.
 
                    
                    
                    
                    
                    
                    
                    
                    
                            
                          
                            
                          
                            
                          
                            
                          
      
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