ATK GM 383 Stroker 435 HP HP36 Stage 1 Aluminum Head

ATK HP36 435 HP Stroker Performance Application

ATK GM 383 Stroker 435 HP HP36 Stage 1 Aluminum Head engines offer a high-output crate motor configuration for aggressive performance builds in classic GM platforms. Featuring high-flow aluminum cylinder heads on a seasoned cast-iron block, this 383ci stroker is engineered to produce a massive 435 horsepower, ideal for high-performance applications in the Chevrolet Chevelle, Camaro, and Corvette. The assembly maintains elite valvetrain stability via a precision hydraulic roller camshaft, delivering exceptional low-end torque and high-RPM power.

This Stage 1 remanufactured LS foundation (SBC architecture) arrives in an un-dressed state, giving builders the freedom to select their own induction and accessory drive components. While the ATK HP36 includes essential foundation items like the oil pan and valve covers, it is also backed by a 1-Year professional warranty to ensure long-term durability. This high-horsepower 383 stroker is the ultimate choice for enthusiasts demanding the highest levels of performance and structural reliability in a traditional small-block package.

Key Features of ATK High Performance HP36

• 6.3L 383ci stroker displacement delivering 435 horsepower.
• High-flow aluminum cylinder heads for maximum power delivery.
• Hydraulic roller camshaft ensures consistent valvetrain stability.
• Internal and external balance configuration for smooth operation.
• Seasoned cast-iron block foundation for superior strength.
• Backed by a 1-Year professional limited warranty.
• Includes pre-installed oil pan, valve covers, and timing cover.

HP36 Include:

• Oil Pan
• Valve Covers
• Timing Cover