Eagle’s forged 4340 steel crankshaft for the Chrysler 360 is a non-twist forging with a 4.000" stroke and .125" fillet radiuses; it is nitrided and micropolished per the product notes. Intended for demanding applications, the description indicates the crank requires chamfered or narrowed bearings due to the fillet profile. The listing highlights its heavy-duty forged construction.
Eagle Chrysler 360 Forged Crankshaft