Eagle Chevy 350 1Pc 3.480in Crank 5.700in H-Beam -5cc Flat Top 4.000in Pistons Balanced Assembly

Starting with a 3.480-inch forged 4340 crankshaft, this balanced rotating assembly from Eagle is built for serious performance. It's designed to handle the demands of racing, including applications using nitrous or forced induction. The crankshaft is paired with 5.700-inch H-beam connecting rods, which are known for their strength and reliability under high stress. These rods use 7/16-inch ARP 8740 bolts, a popular choice for their durability and ability to maintain clamping force under extreme conditions.

The assembly includes 4.000-inch flat-top pistons from Mahle, made from 4032 forged aluminum. These pistons feature a -5cc dish, which is a specific volume that helps determine the final compression ratio when paired with your cylinder heads. They come with plasma-moly file-fit rings, allowing for precise gap setting to optimize sealing and performance. To ensure smooth operation and proper bearing support, the assembly is fitted with King XP rod and main bearings, which offer improved durability and load-carrying capacity.

This is a complete, balanced rotating assembly, meaning the crankshaft, connecting rods, pistons, rings, and bearings have been precisely balanced together at the factory. This crucial step reduces vibration and stress on the engine block and other components, contributing to a longer-lasting and smoother-running engine. This assembly is a solid foundation for a high-performance Chevy 350 build, ready to be installed into your engine block.