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 GEN III HEMI CRANKS

Part Number	Description	Stroke	Main	Rod Pin Diameter	Minimum Rod Length	Bob Weight
345-3593JB6F	Chrysler Gen III Hemi w/ 2.100" Rod Pins NHRA Approved	3.593	GEN III Hemi	2.100	6.125	1700
345-3795JB6F	Chrysler Gen III Hemi w/ 2.100" Rod Pins NHRA Approved	3.795	GEN III Hemi	2.100	6.125	1700
345-3900JA6F	Chrysler Gen III Hemi w/ 2.000" Rod Pins	3.900	GEN III Hemi	2.000	6.125	1700
345-3900JB6F	Chrysler Gen III Hemi w/ 2.100" Rod Pins	3.900	GEN III Hemi	2.100	6.125	1700
345-4000JB6F	Chrysler Gen III Hemi w/ 2.100" Rod Pins	4.000	GEN III Hemi	2.100	6.125	1700
345-4050JA6F	Chrysler Gen III Hemi w/ 2.000" Rod Pins	4.050	GEN III Hemi	2.000	6.125	1700
345-4080JA6F	Chrysler Gen III Hemi w/ 2.000" Rod Pins	4.080	GEN III Hemi	2.000	6.125	1700
345-4250JA6F	Chrysler Gen III Hemi w/ 2.000" Rod Pins	4.250	GEN III Hemi	2.000	6.125	1700