Camshaft for G63B

Hey all, am in need of a source for a new camshaft for my ole gal (84 Ram50 w/2.0 G63B)
the clicking or tapping is driving me nuts, bought another truck for parts (same everything)
am in the process of rebuilding motor, block and head in machine shop, shop can't locate a
new camshft... rebuild at standstill because of cam.......anybody out there know of a source
dont care if performance (Mild) or not..... but perfer Stock

Try search for 4G63 camshafts

Is it the cam or rocker/lash adjusters or an oil pressure issue?