Eagle Chevy 427 3.766in Crank 6.135in I-Beam Rods 21cc Dome 4.310in Pistons Balanced Assembly

If you're building a high-performance Chevy 427 engine for naturally-aspirated racing, this balanced rotating assembly from Eagle is a solid foundation. It's designed to handle the demands of serious competition, giving you the core components needed to assemble a powerful and reliable powerplant.

This assembly starts with a forged 4340 steel crankshaft featuring a 3.766-inch stroke, paired with strong 6.135-inch 4340 I-beam connecting rods. These rods are secured with 7/16-inch ARP 8740 bolts, known for their strength and reliability under high stress. The pistons are forged 4032 aluminum Wiseco Pro Tru units, featuring a 21cc dome and a 4.310-inch bore size, designed to work with the crank and rods for optimal compression and performance. The assembly also includes plasma-moly file-fit piston rings, which allow for precise gap setting to match your engine's specific needs, and King XP rod and main bearings, offering robust lubrication and wear resistance.

Everything in this assembly is balanced as a complete unit by Eagle, saving you a critical step and ensuring your engine runs smoothly and efficiently. This balanced rotating assembly is a key component for anyone looking to build a competitive naturally-aspirated 427ci engine. Please note that this assembly is not CARB approved and cannot be shipped to California. It also carries a Prop 65 warning.