Rear crankshaft bearing cap stud for use on 1930 – 1936 Packard Eight.
Packard part number 158687, “Motor Crankshaft Bearing Cap Stud, Rear”.
Material: 4140 Steel, heat treat grade 8
Finish: Natural
Thread: 1/2-20, 1/2-13
Thread length: 1/2-20 .915; 1/2-13 1.4375
Mid: 1.8195
OAL: 4.172
OD: .500