Eagle forged 4340 steel crank for Ford 351W with a 4.170" stroke and 2.100" rod journals, supplied as an internal balance unit. The non-twist forging and .125" fillet radiuses add strength and mean chamfered or narrowed bearings are required. Nitrided and micropolished journal finishes enhance durability for demanding street or race use where robust crank life is essential.
Eagle Ford 351W 4.170 Stroke 2.100in Rod Journals Internal Balance Forged 4340 Steel Crankshaft