8620 Steel fuel pump drive for Duesenberg Model J. This shaft has been precision ground to a tolerance of .0005 and heat treated to maximum hardness for superb wear resistance.
This is an exact duplicate of the original part and is ready to install.
Material: 8620, Heat treated to maximum hardness
Finish: Natural
Thread: 3/8-24
Thread length: .453
Tolerances: 0.0005+/- on all OD
OAL: 5.328
Worm length: .625
Shaft OD: .4975
Large OD: .8815
