Manley Rotating Assembly, SBC 355 3.480 STROKE/-4cc FLAT

If you're rebuilding the heart of your Small Block Chevy and aiming for serious power, a well-matched rotating assembly is critical. This Manley Performance rotating assembly is built for the 355 cubic inch displacement with a 3.480-inch stroke and flat-top pistons, designed to handle significant horsepower increases.

At its core is a lightweight 4340 forged steel crankshaft, chosen for its strength and ability to withstand high RPMs and increased cylinder pressures. Paired with this are Manley's Pro Series Lightweight I-Beam connecting rods. These rods are well-built for performance applications and come equipped with 7/16-inch ARP 2000 cap screws, a solid choice for ensuring the rods stay securely fastened under load. The assembly includes 2618 forged aluminum Platinum Series pistons, known for their durability and ability to handle the heat and stress of performance engines. These pistons also come with Premium Chrome Moly wrist pins for added strength and reliability.

This specific assembly is rated for up to 750 horsepower when using ARP 8740 cap screws, and can handle an impressive 1,500 horsepower with the optional ARP 2000 cap screws. It's important to note that this assembly is not CARB approved and cannot be shipped to California. Always refer to the manufacturer's installation instructions for proper assembly and tuning to achieve the best results for your build.