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Chevrolet Performance LS3 525 HP Long Block Crate Engine - 525 HP/486 LB-FT - Most Powerful NA 6.2L - ASA Racing Cam

4.5' (1201 reviews)
£12,394.99 GBP inc VAT
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SKU: ls3-525
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...
Delivery ETA:Sep 25 - Sep 29
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Chevrolet Performance LS3 525 HP Long Block Crate Engine - 525 HP/486 LB-FT - Most Powerful NA 6.2L - ASA Racing Cam
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Product Specifications

Part Type
LS Standard Engine
Product Type
LS Standard Engine
Weight
211kg
Part Type
LS Standard Engine
Product Type
LS Standard Engine
Weight
211kg

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Chevrolet Performance LS3 525 HP Long Block Crate Engine - 525 HP/486 LB-FT - Most Powerful NA 6.2L - ASA Racing Cam

Chevrolet

Product Details

Compatibility

Fits Chevrolet Performance LS3 525 HP Long Block Crate Engine - 525 HP/486 LB-FT - Most Powerful NA 6.2L - ASA Racing Cam.

Please refer to manufacturer specifications for complete compatibility information.

Product Specifications
Part Type
LS Standard Engine
Product Type
LS Standard Engine
Weight
211kg

Product Description

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
Package Contents

Kit includes all necessary components. Please refer to manufacturer specifications for detailed package contents.

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