Eagle Ford 429/460 Big Block Rotating Assembly Kit with 4.390in Bore 4.500in Stroke +3.00cc Dome

Eagle is well-known for building robust engine components, and this rotating assembly kit for Ford 429/460 big blocks is a prime example of their commitment to performance. If you're building a serious street machine or a dedicated race engine, this kit gives you the foundation for significant power. It's designed to handle the demands of high-horsepower applications, including those using nitrous or forced induction, making it a solid choice for serious engine builders.

At the heart of this assembly is a 4.500-inch stroke forged 4340 steel crankshaft, chosen for its strength and durability under extreme stress. Paired with this are 6.700-inch H-beam connecting rods, which are also forged from 4340 steel and secured with 7/16-inch ARP 8740 bolts, ensuring they can withstand high RPMs and heavy loads. The kit includes forged 4032 aluminum pistons with a 4.390-inch bore and a -3.00cc dome dish, designed to work with the crankshaft and rods to achieve a specific compression ratio. These pistons come with plasma-moly file-fit rings, which are known for their good sealing and durability. For smooth operation and reliable lubrication, the assembly is completed with King XP rod and main bearings, a popular choice for performance applications.

This is a comprehensive kit designed to get your engine build off to a strong start. It's important to note that this assembly is not CARB approved and cannot be shipped to California. Always refer to the manufacturer's detailed installation instructions and specifications to ensure proper assembly and tuning for your specific application.