Chevrolet Performance LS3 Crate Engine – 6.2L, 430 HP, Complete with Intake and Ignition

6.2L LS3 Crate Engine – A Contemporary Classic

The Chevrolet Performance LS3 Crate Engine is the perfect blend of modern technology and legendary performance. With 430 horsepower on tap, this 6.2L Gen IV Small-Block V-8 is destined to become a favorite for hot rod enthusiasts, street machine builders, and off-road adventurers alike.

Designed for high performance and longevity, the LS3 is packed with premium components, including L92-type rectangular-port heads, a hydraulic roller camshaft, and a sturdy reciprocating assembly that delivers a broad torque curve and exceptional airflow.

What’s Included?

This complete LS3 crate engine comes ready to install, featuring:

• Intake Manifold Assembly with injectors and throttle body.
• Ignition System for seamless start-up.
• Water Pump, Balancer, and 58X Reluctor Wheel for reliability and performance.
• Camaro F-Body Oil Pan: Designed for swaps but may require a vehicle-specific pan for certain applications.

Performance Highlights

• Displacement: 6.2L (376 cu in)
• Compression Ratio: 10.7:1 – Runs smooth on premium pump gas.
• Hydraulic Roller Camshaft:
  • Lift: .551" intake / .522" exhaust.
  • Duration (@ .050"): 204° intake / 211° exhaust.
• L92 Aluminum Cylinder Heads: Featuring 68cc chambers and large 2.165"/1.590" valves for maximum airflow.
• Maximum RPM: 6,600 – Built for high-revving performance.

Perfect for Your Next Chevy Build

The LS3 crate engine is ideal for pre-1976 street cars, off-road vehicles, or any custom project where modern power meets classic style. For older vehicles, pair it with Chevrolet Performance’s Muscle Car Oil Pan Kit (P/N 19212593) for seamless installation.

What You’ll Need

To unlock its full potential, you’ll need the LS3 Engine Controller Kit (P/N 19354328), which includes the necessary electronic throttle pedal for throttle input to the ECU.

Installation Notes

• Assembly does not include any electronics.
• Includes Chevy F-Body wet sump oil pan for easy swaps.
• Compatible with Front-End Accessory Drive Kits available in multiple configurations.
• Intended for pre-1976 vehicles or off-road builds.

Why Choose the LS3?

Whether you’re restoring a classic muscle car, building a track-ready street machine, or upgrading your off-road rig, the LS3 offers unbeatable performance, versatility, and reliability. It’s the perfect powerplant for any enthusiast looking to bring modern power to a classic platform.