Eagle Ford 351W 4.000in Crank 2.750in Mains 6.250in I-Beam Rods 4.040in Pistons Balanced Assembly

Starting with a forged 4340 steel crankshaft featuring a 4.000-inch stroke and 2.750-inch main journals, this Eagle Pro Street rotating assembly is built for serious performance in your Ford 351W engine. This assembly is balanced from the factory, saving you a significant step in the engine building process. It's designed for naturally-aspirated racing applications where reliability and strength are paramount.

The included 6.250-inch long I-beam connecting rods are also forged from 4340 steel and come equipped with 7/16-inch ARP 8740 bolts, ensuring a strong and secure connection between the crank and pistons. The pistons are forged Mahle 4.040-inch units with a -20cc inverted dome design, paired with plasma-moly file-fit rings for excellent sealing and reduced friction. King XP series rod and main bearings are included, offering robust performance for demanding use.

This balanced rotating assembly is a solid foundation for a high-performance naturally-aspirated build. Please note that this assembly is not CARB approved and cannot be shipped to California. Always consult manufacturer installation instructions for proper assembly and torque specifications.