Viton tipped needle and brass seat set for use in Detroit Lubricator Model 51 as used on Packard 740 and 745. Extended thread length seat to accommodate carburetor castings with stripped threads.
Packard part numbers: 177267 Needle, 177219 Seat.
Material: Brass, stainless steel, viton
Finish: Natural
Thread: 7/16-20
Thread length: .406
OD: 9/16
