Bronze thrust plate for Oil Pump horizontal drive shaft, has 3 holes in + the large shaft hole.

Made at a nominal 0.131" (3.33mm) thick, it has a raised band on the one side where the sprocket runs, so it can be easily ground to the thickness desired (a green grinding stone & double sided tape to hold it to the grinding bed)

Should have 0.003" to 0.004" end float on the jackshaft