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Return to Parts List Category : D- Big Block (Low Deck) : Crankshafts : Stroker Forged : 6 Bolt MTI 383-4250NC6F 383/400 4.250" CRANK W/ 2.200" ROD PINS BIG END IS MADE FOR .992" WIDTH RODS. HAS 6-BOLT FLANGE $1107.03 These 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.   383/400 Chrysler 2.200" Rod Pins 4.250 Stroke 383/400 Mains 2.200" Rod Pin Diameter 6.500" Minimum Rod Length 2300g Bob Weight