Eagle Chevy 454 4.000in Crank 6.135in H-Beam 18.3cc Dome 4.320in Pistons Balanced Assembly

Eagle has built a solid reputation for making strong engine components designed for demanding performance applications. This balanced rotating assembly is a prime example, built to handle the rigors of racing, including setups using nitrous or forced induction. It’s a complete package designed to get your Chevy 454 engine running strong and reliably.

At the heart of this assembly is a forged 4340 steel crankshaft with a 4.000-inch stroke, paired with 6.135-inch H-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 from Icon, featuring an 18.3cc closed chamber dome design and a 4.320-inch bore size. They come with plasma-moly file-fit rings, which allow for precise gap setting to match your specific engine build. To ensure smooth operation and durability, the assembly includes King XP series rod and main bearings.

This assembly comes balanced from the factory, saving you a significant step and ensuring proper rotating assembly balance right out of the box. Please note that this assembly is not CARB approved and cannot be shipped to California. It also carries a Prop 65 warning.