Chevrolet Performance LS3 6.2L 376 C.I.D 525 HP Engine Assemblies 19435104

Buy Chevrolet Performance LS3 6.2L 376 C.I.D 525 HP Engine Online

Chevrolet Performance’s LS376/525 (PN 19435104) is a Gen IV LS-series 6.2L (376 cu in) crate long-block built for serious naturally aspirated power. Based on the LS3, it’s upgraded with an aggressive ASA hydraulic-roller camshaft (.525 in lift, 226/236 duration, 110 LSA) to pull hard at higher rpm while keeping crisp throttle response and a classic lopey idle. The lightweight aluminum block uses six-bolt, cross-bolted main caps, and L92-style aluminum heads with 68cc chambers 6.2 ls3 engine for sale support a 10.7:1 compression ratio.

A 58x reluctor wheel and internal balance make it highly compatible with many modern GM swap components, and premium pump fuel is recommended; maximum recommended speed is 6,600 rpm. Rated at 525 hp at 6,200 rpm and 486 lb-ft at 5,200 rpm, it’s ideal for hot rods, track 5.3 liter long block cars, and off-road builds. Assembly ships without electronics, exhaust manifolds, or flexplate/flywheel; plan on a controller/tune and confirm oil-pan fitment.

Chevrolet Performance LS3 6.2L 376 c.i.d. engine assemblies use an impressive 10.7:1 compression ratio to put out 525 hp at 6,200 rpm and 486 lbs.-ft. of torque at 5,200 rpm. They feature a cast aluminum block with a nodular iron crankshaft, powdered metal 6.2 ls engine hp 6.2 ls3 crate engine connecting rods, and hypereutectic pistons. The steel hydraulic roller camshaft has a .525 in. intake and .525 in. exhaust valve lift, with a 226 degree intake and 236 degree exhaust valve duration at .050 in. cam lift. These engine assemblies have revised cylinder heads featuring rectangular ports borrowed from the LS7 engine.

Overview

• Brand: Chevrolet Performance
• Manufacturer’s Part Number: 19435104
• Part Type: Crate Engines
• Product Line: Chevrolet Performance LS3 6.2L 376 C.I.D 525 HP Engine Assemblies
• Summit Racing Part Number: NAL-19435104
• Crate Engine Family: Chevy LS
• Actual Engine Displacement: 6.2L/376
• Crate Engine Cylinder Head Material: Aluminum
• Engine Block Material: Aluminum
• Advertised Compression Ratio: 10.7:1
• Assembled: Yes
• Engine Balance: Internal
• Cam Style: Hydraulic roller, OE roller
• Rear Main Seal Style: 1-piece
• Intake Manifold Included: Yes
• Intake Manifold Style: Fuel Injection
• Cylinder Heads Included: Yes
• Carburetor Included: No
• Throttle Body Included: Yes
• Distributor Included: No
• Oil Pan Included: Yes
• Valve Covers Included: Yes
• Timing Cover Included: Yes
• Water Pump Included: Yes
• Harmonic Balancer Included: Yes
• Flexplate Included: No
• Flywheel Included: No
• Air Cleaner Included: No
• Spark Plugs Included: Yes
• Spark Plug Wires Included: Yes
• Computer Included: No
• Wiring Harness Included: No
• Supercharger Included: No
• Remanufactured: No
• Quantity: Sold individually.

Assemblies also include:

* Ignition coil packs
* Spark plug wires
* Spark plugs
* Intake manifold
* Fuel injectors
* Throttle body
* Exhaust manifolds
* 14 in. flexplate
* Front timing cover
* Aluminum water pump
* Harmonic balancer
* Passenger side right hand dipstick and tube

Does this engine come with an ECU, wiring, or a controller kit?

No. This is a long-block assembly and does not include electronics (ECU/controller, harness, sensors). You’ll need the correct controller kit and/or tuning for your application.

Can I use the LS376/525 in a marine application?

No. This engine is not intended for marine use; choose a marine-rated engine/package for boat installations.