Eagle Chevy 427 3.766in Crank 6.135in I-Beam Rods 10.2cc Dome 4.250in Pistons Balanced Assembly

If you're building a high-performance Chevy 427 engine for naturally-aspirated racing, a balanced rotating assembly is the foundation you need. This Eagle Pro Street assembly is designed to handle the demands of the track, providing a strong, reliable core for your build.

This assembly starts with a forged 4340 steel crankshaft featuring a 3.766-inch stroke, paired with 6.135-inch I-beam connecting rods made from the same robust 4340 material. The rods are secured with 7/16-inch ARP 8740 bolts, known for their strength and reliability under high stress. For the pistons, you get forged 4032 aluminum pistons from Icon, featuring a 10.2cc closed chamber dome design and a 4.250-inch bore size. The assembly also includes plasma-moly file-fit piston rings and King XP rod and main bearings, ensuring smooth operation and durability.

Everything in this assembly is balanced at Eagle, which means it's ready to be installed with less machine work, saving you time and money at the shop. This balanced rotating assembly is a solid choice for anyone looking to build a powerful, naturally-aspirated racing engine.