BluePrint Engines 376 ci GM LS style proseries dressed engine with efi PSLS3765CTF
BluePrint Engines 376 ci GM LS style proseries dressed engine with efi PSLS3765CTF
BluePrint Engines 376 ci GM LS style proseries dressed engine with efi PSLS3765CTF
BluePrint Engines 376 ci GM LS style proseries dressed engine with efi PSLS3765CTF
BluePrint Engines 376 ci GM LS style proseries dressed engine with efi PSLS3765CTF

BluePrint Engines 376 ci GM LS style proseries dressed engine with efi PSLS3765CTF

BluePrint Engines
BPEPSLS3765CTF
1 In Stock
$18,547.39
$18,547.39
$18,547.39
BluePrint Engines 376 ci GM LS style proseries dressed engine with efi PSLS3765CTF

BluePrint Engines

BluePrint Engines 376 ci GM LS style proseries dressed engine with efi PSLS3765CTF

$18,547.39
BluePrint Engines 376 ci GM LS style proseries dressed engine with efi PSLS3765CTF
BluePrint Engines 376 ci GM LS style proseries dressed engine with efi PSLS3765CTF
BluePrint Engines 376 ci GM LS style proseries dressed engine with efi PSLS3765CTF
BluePrint Engines 376 ci GM LS style proseries dressed engine with efi PSLS3765CTF
BluePrint Engines 376 ci GM LS style proseries dressed engine with efi PSLS3765CTF

BluePrint Engines

BluePrint Engines 376 ci GM LS style proseries dressed engine with efi PSLS3765CTF

$18,547.39
Description

GM LS Compatible 376 c.i. Pro Series Engine - 525 Horsepower - Base Dressed - BluePrint Engines Calibrated ECU

SKU: PSLS3765CTF

Horsepower & Torque: 525 Horsepower / 460 ft. lbs. Torque

Cylinder Heads: BluePrint Engines LS3 Aluminum Cylinder Heads

Compression Ratio: 10.7:1

Camshaft: Hydraulic Roller Cam - .612 Intake / .585 Exhaust Lift and 225 Intake / 238 Exhaust Duration @ .050 - 113° LSA - Three Bolt Cam

Pistons: Hypereutectic

Crankshaft: Nodular Iron Crank - 3.622" Stroke and 6.125" Rods

Fuel Injection: BluePrint Engines Complete Engine Harness and ECU Kit

Fuel Recommendation: 91+ Octane

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
  • 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
  • BluePrint Engines Complete Harness and ECU Kit
  • Drive by Wire Throttle Body
  • LS Swap Oil Pan
  • Water Pump
  • 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.
Fitment
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