Eagle Chevy 409 4.000in Crank 6.135in H-Beam +.365in Dome 4.342in Pistons Rotating Assembly

If you're building a high-performance Chevy 409 engine for racing, especially with nitrous or forced induction, a strong rotating assembly is the heart of the operation. This Eagle Competition Rotating Assembly is designed to handle the extreme demands of competition use. It starts with a 4.000-inch forged 4340 crankshaft, known for its strength and durability under high stress. Paired with this are 6.135-inch H-beam connecting rods, which are a popular choice for their robust design. These rods come equipped with 7/16-inch ARP 2000 bolts, a well-regarded hardware choice that ensures a secure and reliable connection under significant load.

The pistons in this assembly are forged 2618 Ross units, featuring a +.365-inch dome to achieve a specific compression ratio, and measuring 4.342 inches in bore size. They come with plasma-moly file-fit rings, allowing for precise gap adjustment to match your engine's bore and intended use, which is crucial for optimal sealing and performance. To complete the package, King XP rod and main bearings are included. These bearings are engineered for high-performance applications, offering improved durability and lubrication compared to standard bearings. This entire assembly is a well-built foundation for a powerful 409 engine build.

Please note that this assembly is not CARB approved and cannot be shipped to California. It's important to ensure all components are properly balanced and installed according to manufacturer specifications for optimal performance and longevity.