408ci Ford 351W Rotating Assembly, Unbalanced, Eagle 16524030

Eagle 16524030, listed as KIT-16524030 by the manufacturer, is an unbalanced Street & Strip rotating assembly for a Ford 351W-based 408-cubic-inch build. The combination uses a 4.030-inch bore and 4.000-inch stroke. A qualified machine shop must balance the assembly before use.

• Cast crankshaft; 6.200-inch 5140 I-beam rods with 3/8-inch ARP 8740 bolts.
• Hypereutectic KB -27.5cc inverted-dome pistons.
• Plasma-moly file-fit rings and King SI rod/main bearings.
• Damper and flexplate/flywheel are not included.
• Engine-builder machining and clearance checks are required. Eagle excludes pollution-controlled applications.