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The Eagle forged 4340 steel crankshaft for Chrysler RB engines features a 4.250" stroke, 2.200" rod journals and an 8-bolt rear flange, intended for the most demanding applications. Its non-twist forging, .125" fillet radii, nitrided surface and micropolished finish provide superior strength and fatigue resistance. Chamfered or narrowed bearings are required for proper installation.
Eagle Chrysler RB 4340 Crank 4.25 Stroke 2.2 Rod Pin 8 Bolt Flange
