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

This Manley Performance rotating assembly is built for SBC 355 cubic inch engines with a 3.480-inch stroke. It's a well-built package designed to handle serious power, whether you're rebuilding a classic small-block Chevy or building a high-performance street or race engine. The components work together to form the heart of your engine, providing the foundation for significant horsepower gains.

At the core of this assembly is a lightweight 4340 forged steel crankshaft, chosen for its strength and ability to withstand high RPMs and significant stress. Paired with this are Manley's Pro Series Lightweight I-Beam connecting rods, known for their robust construction and reliability. These rods come equipped with 7/16-inch ARP 2000 cap screws, a popular choice for their strength and ability to handle the demands of performance engines. The pistons are 2618 forged aluminum from Manley's Platinum Series, featuring a -4cc flat top design and Premium Chrome Moly wrist pins. This combination of forged materials ensures durability and performance under demanding conditions.

This assembly is rated for up to 750 horsepower when using the included ARP 8740 bolts, and can be upgraded to support an impressive 1,500 horsepower with optional ARP 2000 cap screws. It's important to note that this assembly is not CARB approved and cannot be shipped to California due to emissions regulations. When planning your build, consider the specific horsepower goals and select the appropriate ARP hardware to match. This rotating assembly is a solid option for those looking to build a powerful and reliable small-block Chevy engine.