Oil sending switch # 2495222

Hello Guys, I am looking for an oil pressure sending unit 2495222 with the screw top not the T. For a 1968 383 Magnum. The original one had a screw top and when I ordered it it came with the T top which doesn’t work, it pegs at 0 any advice.
thanks again I always get Great advice fro you guys
Author: JPR56