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 525 HP Engine Assemblies
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.
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