alloytec sump

I just got off gum tree got it home put it in. Took oil filter out to find this build up slug in it. Any help plz would be good thx I'll put pic up

Hey guys, I apologise for the long post in advance! Just trying to give as much info as possible. I've got a 2005 vz executive that has been having issues with low oil pressure and power loss. Back story is that over a few months the engine seemed to be loosing power/torque steadily but oil...