Our 4340 forged crankshafts are heat treated to increase tensile strength, shot peened to increase fatigue life, nitrided for wear resistance and 100% mag particle inspected to ensure against cracks.

Sizes are held to the tightest tolerances you’ll find in the racing industry!

CHRYSLER 383-400 CRANKS

Part NumberDescriptionStrokeMainRod Pin DiameterMinimum Rod LengthBob Weight 
383-3910NC6F383/400 Chrysler - 2.200" Rod Pins3.910383/4002.2006.4502300
383-4150NC6F383/400 Chrysler - 2.200" Rod Pins4.150383/4002.2006.4502300
383-4250NC6F383/400 Chrysler - 2.200" Rod Pins4.250383/4002.2006.5002300