Overview:

The BluePrint Engines GM LS-Compatible 376 C.I. Pro Series Engine delivers 510 horsepower and 440 ft-lbs of torque, built for serious performance. As one of the most popular engine platforms for street cars and restomods, the LS-compatible design offers proven power and versatility. This package features LS3-style aluminum cylinder heads, a 10.7:1 compression ratio, hydraulic roller cam, hypereutectic pistons, and nodular iron crankshaft housed in a BluePrint high-strength cast iron block. 

Description:

• Horsepower & Torque: 510 Horsepower / 440 ft. lbs. Torque
• Compression Ratio: 10.7:1
• BluePrint Engines LS3 Aluminum Heads
• BluePrint Engines Hydraulic Roller Cam
• BluePrint Engines Hypereutectic Pistons
• Nodular Iron Crankshaft
  

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
• 4.0662" Bore
• 6-Bolt Main
  

Rotating Assembly:

• Nodular Iron Crankshaft
• 3.622" Stroke
• 6.098" Connecting Rods w/ 150,000 PSI Bolts
• Hypereutectic Pistons
• Internally Balanced Front and Rear

Cylinder Heads:

• BluePrint LS3 Aluminum Cylinder Heads - PS8015
• 69cc Chamber
• 2.165" Intake / 1.590" Exhaust Valves
• 259cc Intake / 102cc Exhaust Runners

Cam Specs:

• Hydraulic Roller Cam
• .612 Intake / .585 Exhaust Lift
• 225 Intake / 238 Exhaust duration
• @.050-113 Degree Lobe Separation

Ignition Timing:

• Ignition Timing - ECU/Harness is not included. 
  

Also Includes:

• This engine Does NOT come with a Fuel Injection ECU and Wiring Harness
• Drive by Wire Throttle Body - BPP12191019
  
• LS3 Cast Aluminum Intake Manifold
  
• LS Swap Oil Pan - BPP81073
  
• Water Pump - BPPLS126WP
  
• Injectors and Fuel Rail Kit
  
• Spark Plugs & Wiring
  
• Harmonic Balancer 
  
• Timing Cover
• Valve Covers
  
• Coil Packs
  

Notes:

• This engine requires a non-weighted flex plate such as (BPP12654640) / flywheel (BPPLS1611). 
• 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.