ATK GM 383 Stroker 415 HP HP94M Stage 2 Aluminum Head

ATK HP94M 415 HP Mid-Dress Fitment Specs

ATK GM 383 Stroker 415 HP HP94M Stage 2 Aluminum Head engines provide a versatile mid-dressed performance powertrain solution for high-torque street vehicles. This 383ci stroker features high-flow aluminum heads and a 9.7:1 compression ratio, specifically engineered for enthusiasts seeking a balanced build for their Chevrolet C10 or classic Monte Carlo. The internal assembly utilizes a hydraulic roller camshaft and a precision-balanced rotating assembly to deliver a consistent 415 horsepower with superior mechanical stability.

Designed to accelerate the engine swap process, this performance engine foundation arrives with a pre-installed intake manifold, while allowing builders to finalize their own ignition and cooling choices. The ATK HP94M is built on a seasoned cast-iron block and is supported by a 1-Year limited warranty. This Stage 2 configuration provides a robust and displacement-heavy foundation for builders who want the power of a 383 stroker with the flexibility of a mid-dress assembly.

Key Features of ATK High Performance HP94M

• 6.3L 383ci stroker displacement with 415 horsepower output.
• Aluminum cylinder heads for improved thermal efficiency.
• Hydraulic roller camshaft ensures consistent valvetrain stability.
• 9.7:1 compression ratio optimized for street-strip performance.
• Seasoned block casting for maximum structural integrity.
• Protected by a standard 1-Year professional warranty.
• Mid-dress configuration simplifies induction system matching.

HP94M Include:

• Intake Manifold
• Oil Pan