LS376/525 6.2L LS3 Engine – 525 HP Crate Motor | GM Performance

Description

Key Features

• Engine Type: LS-Series Gen IV Small-Block V8

• Displacement: 376 cu in (6.2L)

• Horsepower: 525 HP @ 6,300 RPM

• Torque: 486 lb-ft @ 5,200 RPM

• Compression Ratio: 10.7:1

• Block: Cast Aluminum with 6-bolt, cross-bolted main caps

• Crankshaft: Nodular Iron

• Connecting Rods: Powdered Metal

• Pistons: Hypereutectic Aluminum

• Camshaft Type: Hydraulic Roller (ASA Profile)

• Valve Lift: .525″ (Intake/Exhaust)

• Cylinder Heads: Aluminum L92-style port with 68cc chambers

• Maximum Recommended RPM: 6,600

• Fuel: Premium Pump Gas

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🔥 Performance You Can Feel

The ASA camshaft gives this LS3 crate engine its character — sharp throttle response, deeper idle tone, and outstanding high-RPM breathing. With 226°/236° duration and a tight 110° lobe separation, the LS376/525 6.2L LS3 525HP Crate Engine | GM Performance screams to life when you hit the throttle.

Durability is built-in, thanks to GM’s proven LS architecture and premium internal components. It’s a factory engine built to handle serious power while maintaining daily reliability.

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🧰 Installation & Compatibility

• For pre-1976 street vehicles, custom builds, or off-road applications

• Requires Controller Kit (P/N 19354332) for operation

• Includes Chevy SS wet sump oil pan

• Front-End Accessory Drive Kits available in multiple configurations

• Professional tuning recommended for modern GM vehicles

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🧾 Warranty & Support for the LS376/525 6.2L LS3 525HP Crate Engine | GM Performance

Your investment is protected with Chevrolet’s 24-month / 50,000-mile limited warranty, covering defects in material and workmanship. Every LS376/525 6.2L LS3 525HP Crate Engine | GM Performance is backed by GM’s factory engineering and quality assurance — giving you complete peace of mind.

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🏁 Why Choose Jspec Auto Parts

At JspecAutoParts.shop, we specialize in premium GM Performance crate engines and JDM imports. Every product we list is authentic, tested, and backed by manufacturer support, so you can build with confidence.
We offer nationwide shipping, expert advice, and a team that understands performance inside and out.

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Get ready to transform your ride with the LS376/525 6.2L LS3 525HP Crate Engine | GM Performance that blends factory engineering with race-bred power. Available now at JspecAutoParts.shop