Eagle Chevy 400 350 Mains 4.000in Crank 6.000in I-Beam Rods 6.2cc 4.125in Pistons Rotating Assembly

If you're building a high-performance Chevy 400 engine for naturally-aspirated racing, this Eagle Pro Street rotating assembly is a solid choice. It's designed to handle the demands of the track, giving you a strong foundation for your build. This assembly is specifically configured for 350 main journal sizes, making it a direct fit for many Chevy 400 blocks that have been modified for this common setup.

At the heart of this assembly is a 4.000-inch forged 4340 crankshaft, known for its strength and durability under high stress. Paired with it are 6.000-inch I-beam connecting rods, also made from robust 4340 steel and secured with 7/16-inch ARP 8740 bolts for reliable performance. The pistons are forged 2618 JE units, featuring a 6.2cc dome and a 4.125-inch bore size, complete with plasma-moly file-fit rings for a good seal. To round out the package, King XP rod and main bearings are included, offering excellent wear resistance and smooth operation.

This rotating assembly is a comprehensive kit for serious engine builders. It's important to note that this part is not CARB approved and cannot be shipped to California. Always refer to the manufacturer's installation instructions for proper assembly and break-in procedures to ensure optimal performance and longevity.