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Overview:
The LS-compatible layout has become a favorite for its rock-solid reliability and proven track record, this BluePrint 376 c.i. Pro Series is a street-ready powerhouse built for performance. Delivering a power packed 525 horsepower and 460 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 10.7:1 compression ratio, hydraulic roller cam, hypereutectic pistons, and a nodular iron crankshaft.�BluePrint Engines Fabbed Aluminum Intake Manifold, BluePrint Engines Calibrated ECU and harness, drive-by-wire throttle pedal, sensors, and throttle body��delivering plug-and-play performance right out of the box.
Description:
- Horsepower & Torque: 525 Horsepower / 460 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
 - 4.0622" 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 and Spark Advance are Controlled by BluePrint Engine Calibrated ECU
 - Transmission Controller Required (ECU Does Not Offer Transmission Control)
 
Also Includes:
- LS3 Fabricated Aluminum Intake Manifold - BPP822112
 - BluePrint Engines Complete Harness and ECU Kit
 - Drive by Wire Throttle Body - BPP12191019
 - LS Swap Oil Pan - BPP81073
 - Water Pump - BPPLS126WP
 - Injectors and Fuel Rail Kit
 - Spark Plugs and Wires
 - Harmonic Balancer�
 - Throttle Pedal
 - Timing Cover
 - Valve Covers
 - Coil Packs
 
Notes:
- This engine requires a non-weighted flex plate/flywheel.
 - 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.
 - The Included BluePrint Engines LS controller package contains a fully tested, calibrated, locked ECU, optimized for this specific engine. This package has undergone extensive testing for performance, reliability and the safety of you and your engine.