Eagle Ford 351W 4.000in Crank 2.750in Mains 6.250in H-Beam 4.125in Pistons Balanced Assembly

Starting with a forged 4340 steel crankshaft featuring a 4.000-inch stroke and 2.750-inch main journals, this balanced rotating assembly from Eagle is built for serious performance applications, including racing with nitrous or forced induction. The crankshaft is paired with 6.250-inch H-beam connecting rods, which are known for their strength and reliability under high stress. These rods come equipped with 7/16-inch ARP 8740 bolts, a popular choice for their durability and ability to hold tight under extreme loads.

The assembly includes forged 4032 aluminum pistons from Mahle, designed with an inverted dome featuring a -26cc volume and a 4.125-inch bore size. These pistons are fitted with plasma-moly file-fit rings, allowing for precise gap setting to optimize performance and sealing. To complete the package, King XP rod and main bearings are included, offering robust lubrication and wear resistance for the critical rotating components. This entire assembly is balanced by Eagle, ensuring smooth operation and reducing stress on your engine block.

This rotating assembly is a solid option for anyone rebuilding or building a Ford 351W engine for demanding use. It's important to note that this assembly is not CARB approved and cannot be shipped to California. Always refer to manufacturer instructions for proper installation and break-in procedures.