Eagle Chevy 427/454 3.766in Crank 6.135in I-Beam Rods 4.250in Pistons Rotating Assembly

If you're rebuilding the heart of your Chevy 427 or 454 big block for naturally-aspirated racing, this Eagle Pro Street rotating assembly is a solid choice. It bundles together the essential rotating components, all designed to work together for reliable performance under demanding conditions. This assembly is built to handle the stresses of racing without breaking the bank, making it a popular option for engine builders looking for a well-built foundation.

At the core of this assembly is a 3.766-inch forged 4340 crankshaft, known for its strength and durability. Paired with it are 6.135-inch I-beam connecting rods, also made from robust 4340 steel, and they come equipped with 7/16-inch ARP 8740 bolts for a secure connection. The pistons are forged 4032 aluminum from ICON, featuring a 10.2cc closed chamber dome design and a 4.250-inch bore size. To complete the package, it includes plasma-moly file-fit rings and King XP rod and main bearings, ensuring smooth operation and longevity.

This assembly is specifically intended for naturally-aspirated racing applications. 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 durability.