Manley Rotating Assembly, SBC 434 4.000 STROKE/+4cc DOME

This Manley rotating assembly gives you a complete package for building a high-performance Small Block Chevy 434 cubic inch engine. You get a lightweight 4340 forged steel crankshaft, a set of 4340 forged steel H-beam connecting rods, and 2618 forged aluminum Platinum Series pistons. The pistons feature a +4cc dome, which will affect your compression ratio depending on your cylinder head volume. This assembly is designed for serious performance builds, offering a solid foundation for significant power.

The crankshaft is forged from 4340 steel, known for its strength and durability under high stress. The H-beam connecting rods are also made from 4340 forged steel and come equipped with 7/16? ARP 8740 cap screws. If you're aiming for even higher horsepower levels, you can opt for ARP 2000 cap screws, which are rated for up to 1,500 horsepower. The Platinum Series pistons are forged from 2618 aluminum, a material chosen for its thermal expansion properties and strength, and they include premium chrome moly wrist pins for added durability. This combination is built to handle the demands of a performance engine.

This assembly is rated for up to 750 horsepower with the standard ARP 8740 cap screws. For builds pushing the limits, the optional ARP 2000 cap screws can support up to 1,500 horsepower. Please note that this assembly is not CARB approved and cannot be shipped to California. It's important to check your specific engine build details, including cylinder head volume and camshaft selection, to ensure proper compression and piston-to-valve clearance.