Eagle Chevy 454 4.250in Crank 6.385in H-Beam 43cc Dome 4.350in Pistons Rotating Assembly

If you're building a high-performance Chevy 454 engine for serious racing, a strong rotating assembly is the heart of the operation. This Eagle Competition Rotating Assembly is built to handle the demands of competition, whether you're running nitrous or forced induction. It's a complete package designed to give your engine the foundation it needs to produce serious power and withstand the stress of racing conditions.

This assembly starts with a 4.250-inch forged 4340 crankshaft, known for its strength and durability under high loads. Paired with this are 6.385-inch H-beam connecting rods, a popular choice for their robust design, secured with 7/16-inch ARP 8740 bolts for reliable clamping force. The pistons are forged 2618 aluminum from Mahle, featuring a 43cc dome and a 4.350-inch bore size, designed to work with the crankshaft and rods for optimal compression and performance. You also get plasma-moly file-fit piston rings, which allow for precise gap setting to match your engine's specific needs and operating conditions. To top it off, the assembly includes King XP rod and main bearings, offering excellent wear resistance and smooth operation for critical rotating components.

This is a comprehensive rotating assembly, meaning it includes the core components needed to get your engine build underway. Keep in mind that this assembly is not CARB approved and cannot be shipped to California. Always refer to the manufacturer's installation instructions for proper assembly and tuning procedures to ensure the longevity and performance of your engine.