Packard V-12 Manifold Stud in Engine Block

Packard
V-12 engine studs made from heat treated 4140 steel. Domed end is polished
and entire stud is nickel plated as original. Heat treated steel studs
are stronger and less susceptible to galling and stretching than stainless
studs, especially when used with stainless nuts. For Packard V-12 Series 1207/08, 1407/08.

Packard part number 197803, “Motor Intake & Exhaust Manifold to Cylinder”.
Twenty required per car.

Measures: 2″
long with 3/8-24 thread on each end.