- Engines & Components
- Engine - Assembled / Ready-to-Run
- Chevrolet Performance 396ci / 390hp COPO Crate Engine 2013-2015
Chevrolet Performance's COPO crate engines are engineered for NHRA's Stock Eliminator and Super Stock classes, offering sportsman racers a range of factory-developed-and-assembled racing engines. This 396ci COPO crate engine offers the displacement of a classic Chevrolet Big-Block, but with the new age lightweight of all-aluminum. Providing power reminiscent of vintage muscle cars, this crate engine gives modern high-rpm capability and vehicle balance dynamics that only an LS engine can deliver. The all-forged rotating assembly makes it a durable performer, suitable for racing applications. Chevrolet Performance engineers design and test all crate engines with the same methods used to develop production engines, ensuring their performance and durability. Each engine is hand-assembled in a specialty build facility.
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Note: This 396ci naturally aspirated crate engine makes a race car eligible for NHRA Stock Eliminator classes from AA/S to D/S, based primarily on curb weight and horsepower ratings. Consult the NHRA rule book for class and compliance guidelines.
Specifications:
- NHRA Rated at 390 HP
- Displacement: 396ci (6.5L)
- Compression Ratio: 10.5:1
- Cylinder Block: LS3 cast-aluminum
- Bore x Stroke: 4.065" x 3.825"
- Crankshaft: Forged steel
- Connecting Rods: Forged steel
- Pistons: Forged flat top
- Cylinder Heads: LS3 aluminum
- Induction: Natural
- Intake Manifold: Holley Hi-Ram
- Camshaft Type: Hydraulic roller
- Camshaft Lift: .595" intake / .595" exhaust
- Camshaft Duration: 233 intake / 276 exhaust deg. @ .050"