Manley Rotating Assembly, BBC 565 4.250 STROKE/4.600/+43cc

This Manley Performance rotating assembly is built for big block Chevrolet (BBC) engines, specifically for a 565 cubic inch displacement with a 4.250 inch stroke and 4.600 inch bore. It's a well-built package designed to handle significant power, making it a solid choice for serious engine builds where performance and reliability are key. The components are matched to work together, simplifying the process of assembling a high-performance engine.

At the heart of this assembly is a 4340 forged steel crankshaft, chosen for its strength and durability under high stress. Paired with it are 4340 forged steel H-beam connecting rods. These rods come standard with 7/16? ARP 8740 cap screws, a popular choice for robust builds. For those pushing the limits, there's an option to upgrade to ARP 2000 cap screws, which can support even higher horsepower ratings. The pistons are Manley's 2618 forged aluminum Platinum Series, known for their lightweight yet strong construction, and they include Premium Chrome Moly wrist pins for added durability.

This assembly is rated for up to 900 horsepower with the standard ARP 8740 cap screws. If you opt for the ARP 2000 cap screws, the assembly is capable of handling up to 1,500 horsepower. It's important to note that this assembly is not CARB approved and cannot be shipped to California. When building a high-performance engine, selecting a balanced and strong rotating assembly like this Manley package is crucial for achieving your power goals and ensuring long-term engine health.