Eagle Chevy 400 350 Mains 3.875in Crank 6.000in H-Beam Stroker Rod 4.155in Pistons Balanced Assembly

If you're building a serious performance engine for your Chevy 400, this balanced rotating assembly from Eagle is a solid foundation. It's designed to handle extreme conditions, whether you're running exotic fuels, heavy nitrous, or high boost. This assembly includes everything you need to get your engine's core rotating components sorted, giving you a strong starting point for a powerful build.

At the heart of this assembly is a forged 4340 crankshaft with a 3.875-inch stroke, specifically configured for 350 main journal sizing. Paired with this are 6.000-inch H-beam stroker rods, known for their strength and reliability under high stress, secured with 7/16-inch ARP 2000 bolts. The pistons are forged 2618 JE units, featuring a -5.6cc dome and a 4.155-inch bore size, complete with plasma-moly file-fit rings for a precise seal. To ensure smooth operation and durability, the assembly comes with King XP rod and main bearings.

This assembly is balanced from the factory, saving you a significant step in the engine building process. It's important to note that this part is not CARB approved and cannot be shipped to California. Always refer to manufacturer instructions for proper installation and any additional components required for your specific application.