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  2. Crate Engine, Performance Engine, Replacement Engine, Engine for Sale, Complete Engine, Long Block Engine, Used Engine, Low Mileage Engine, Rebuilt Engine, Remanufactured Engine, Chevrolet Engine, GM Engine, Dodge Engine, Toyota Engine, Nissan Engine, LS Engine, LSX Engine, LS1 Engine, LS2 Engine, LS3 Engine, LS6 Engine, LS7 Engine, LS9 Engine, Hellcat Engine, HEMI Engine, 2JZ Engine, 2JZ-GTE, 2JZ-GE, RB26 Engine, RB26DETT, V8 Engine, Inline 6 Engine, Twin Turbo Engine, Supercharged Engine, Naturally Aspirated Engine, JDM Engine, Muscle Car Engine, Performance Parts, Engine Swap, Swap Engine, Racing Engine, Street Performance, Custom Build, Hot Rod Engine, Drift Car Engine, Drag Racing Engine, Track Car Engine, Toyota Supra Engine, Nissan Skyline GT-R Engine, Camaro Engine, Corvette Engine, Silverado Engine, Challenger Engine, Charger Engine
  3. LS3 376CI 525HP Crate Engine - Image 3
  4. Crate Engine, Performance Engine, Replacement Engine, Engine for Sale, Complete Engine, Long Block Engine, Used Engine, Low Mileage Engine, Rebuilt Engine, Remanufactured Engine, Chevrolet Engine, GM Engine, Dodge Engine, Toyota Engine, Nissan Engine, LS Engine, LSX Engine, LS1 Engine, LS2 Engine, LS3 Engine, LS6 Engine, LS7 Engine, LS9 Engine, Hellcat Engine, HEMI Engine, 2JZ Engine, 2JZ-GTE, 2JZ-GE, RB26 Engine, RB26DETT, V8 Engine, Inline 6 Engine, Twin Turbo Engine, Supercharged Engine, Naturally Aspirated Engine, JDM Engine, Muscle Car Engine, Performance Parts, Engine Swap, Swap Engine, Racing Engine, Street Performance, Custom Build, Hot Rod Engine, Drift Car Engine, Drag Racing Engine, Track Car Engine, Toyota Supra Engine, Nissan Skyline GT-R Engine, Camaro Engine, Corvette Engine, Silverado Engine, Challenger Engine, Charger Engine
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LS3 376CI 525HP Crate Engine

Original price was: $14,800.00.Current price is: $12,800.00.

+ Free Shipping

Buy LS3 376CI 525HP Crate Engine

 

  • 376 cubic-inch (6.2L) LS3 performance crate engine
  • Produces approximately 525 horsepower
  • Lightweight GM LS3 6-bolt aluminum engine block
  • Dyno tested and professionally tuned (available upon request)
  • Muscle car oil pan included for popular LS swap applications
  • Excellent for hot rods, muscle cars, restomods, and custom performance builds
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Buy LS3 376CI 525HP Crate Engine

Power your next project with the LS3 376CI 525HP Crate Engine, a proven high-performance package engineered for exceptional reliability, responsive power, and easy installation. Perfect for hot rods, muscle cars, restomods, and custom LS swap projects, this engine delivers the ideal balance of street-friendly drivability and track-inspired performance.

Built around a lightweight GM LS3 6-bolt aluminum engine block, this 376 cubic-inch crate engine is professionally assembled using premium components to produce approximately 525 horsepower. Each engine can be dyno tested and professionally tuned before shipment, ensuring optimal performance and giving you confidence that it’s ready to install.

To simplify your engine swap, the package comes equipped with a muscle car oil pan that fits many popular LS conversion applications. Whether you’re upgrading a classic muscle car or building a custom street machine, this engine is designed to make installation as straightforward as possible.

Our team can also help you complete your build by recommending the correct motor mounts, swap headers, serpentine drive system, and transmission package to match your vehicle and performance goals. From start to finish, we provide the components and expertise needed for a successful LS engine conversion.

Engine Features.

  • LS3 376CI 525HP Crate Engine:
  • Fully Machined Aluminum Block With 6-bolt cross-bolted main caps
  • Nodular Iron Crankshaft 3.62 Stroke
  • Powdered Metal Connecting Rods 6.125”
  • Hypereutectic Aluminum Pistons
  • Complete Assembly Internally Balanced
  • Hydraulic Roller Camshaft
  • Hydraulic Roller lifters
  • Timing chain set
  • Oil pump
  • Aluminum LS3 Rectangular Port Cylinder Heads
  • 2.165 Intake Valves
  • 1.590 Exhaust Valves
  • GM Performance Valve Springs
  • Rocker Arms 1.7:1
  • Pushrods
  • Main bolts
  • Head bolts
  • Aluminum Timing And Rear Cover
  • Aluminum Valley Tray
  • Aluminum Oil Pan (Muscle Car)
  • Intake Manifold
  • Fuel Injectors
  • Fuel Rails
  • DBW Throttle Body
  • Aluminum LS Valve Covers (Black)
  • Balancer
  • LS3 Style Coils
  • Coil Harness
  • Spark Plugs
  • 8mm Ignition Wires
  • Holley Terminator X ECU
  • Engine Wiring Harness
  • Fuel Injector Harness
  • Wide Ban O2 Sensor
  • Intake Air Temperature Sensor
  • Crankshaft Position Sensor
  • Camshaft Position Sensor
  • Engine Coolant Temperature Sensor
  • Manifold Air Pressure Sensor
  • Oil And Filter
  • Spark Plugs
  • Engines are photo documented during the building process
  • 2 Year Unlimited Miles Warranty

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