Eagle Ford 351W 4.170in Crank 2.750in Mains 6.250in I-Beam Rods 4.030in Pistons Balanced Assembly

This is the Eagle Ford 351W Pro Street balanced rotating assembly, built for naturally-aspirated racing applications. It's a complete package designed to be the heart of your high-performance Ford engine build, offering a solid foundation for significant power gains. If you're looking to rebuild or significantly upgrade your 351 Windsor, this assembly provides the core components you need.

At its center is a forged 4340 steel crankshaft with a 4.170-inch stroke and 2.750-inch main journals, offering a strong and reliable base. Paired with this are 6.250-inch long 4340 I-beam connecting rods, secured with 7/16-inch ARP 8740 bolts for dependable strength under stress. The assembly includes forged 4032 Mahle pistons with an inverted dome design, sized for a 4.030-inch bore. These pistons come with plasma-moly file-fit rings, allowing for precise gap setting to match your engine's needs. For smooth operation and durability, King XP rod and main bearings are included, ensuring proper clearances and lubrication.

This rotating assembly comes balanced from Eagle, saving you a critical step in the engine building process and ensuring better performance and longevity. Please note that this assembly is not CARB approved and cannot be shipped to California. It's a well-built package for those serious about their Ford V8 performance.