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Chevrolet
Product Details
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Vehicle Compatibility
Fits Chevrolet Performance LS3 525 HP Long Block Crate Engine - 525 HP/486 LB-FT - Most Powerful NA LS3 6.2L.
Please refer to manufacturer specifications for complete compatibility information.
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Key Features
Most Powerful Naturally Aspirated 6.2L Street Engine with Racing ASA Cam
The LS376/525 represents Chevrolet Performance's most powerful naturally aspirated 6.2L street engine, featuring the racing-derived ASA camshaft that transforms the proven LS3 platform into a 525-horsepower powerhouse.
Key Specifications:
- Part Number: 19435104
- Engine Type: LS-Series Gen IV Small-Block V-8
- Displacement: 376 cu in (6.2L)
- Bore x Stroke: 4.065" x 3.622" (103.25 x 92mm)
- Power: 525 horsepower at 6,200 rpm
- Torque: 486 lb-ft at 5,200 rpm
- Compression Ratio: 10.7:1
- Maximum RPM: 6,600 recommended
Racing-Derived ASA Camshaft:
- Aggressive ASA (Automotive Simulation Associates) hydraulic roller camshaft
- Developed for high-rpm circle-track racing applications
- Valve lift: 0.525" intake / 0.525" exhaust
- Duration @ .050": 226° intake / 236° exhaust
- Tight 110-degree lobe separation angle
High-Performance Construction:
- Cast aluminum block with 6-bolt, cross-bolted main caps
- Nodular iron crankshaft
- Powdered metal connecting rods
- Hypereutectic aluminum pistons
- Investment cast roller trunnion rocker arms with 1.7:1 ratio
Advanced Cylinder Heads:
- Aluminum L92-style rectangular-port cylinder heads with 68cc chambers
- Valve sizes: 2.165" intake / 1.590" exhaust
- Excellent throttle response and high-rpm breathing
- Higher-rate valve springs for durability
Installation Requirements:
- Assembly does not include electronics
- Requires LS376/525 Engine Controller Kit P/N 19354332
- Premium pump gasoline recommended (92+ octane)
- Front-end accessories must be obtained separately
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Product Videos
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Product Specifications
Actual Engine Displacement
6.2L/376
Advertised Compression Ratio
10.7:1
Assembled
Yes
Brand
Chevrolet Performance
Cam Style
Hydraulic roller
Crate Engine Cylinder Head Material
Aluminum
Crate Engine Family
Chevy LS
Cylinder Heads Included
Yes
Engine Balance
Internal
Engine Block Material
Aluminum
Intake Manifold Included
Yes
Intake Manifold Style
Fuel Injection
Manufacturer's Part Number
19435104
Oil Pan Included
Yes
Part Type
LS Crate Engines
Product Type
LS Standard Engine
Rear Main Seal Style
1-piece
Throttle Body Included
Yes
Warning
California Proposition 65
Weight
211kg
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Package Contents
Kit includes all necessary components. Please refer to manufacturer specifications for detailed package contents.