I have a 1988 Mazda B2200 Pickup.?

[Earl]

I am working on tuning it and just recently i broke the rear right corner off of my valve cover. I was wondering if i could JB weld it back together because i tried gasket sealer and it has started to leak again. I would buy a new cover but i can't locate one anywhere. Does anyone know where i could get one for cheap? Or does anyone know a solid fix? I just wanted to add that my pickup is strict tuned and JDM because they were not intended to be slammed and bagged. I really disliek taht because that is disowning the purpose of the pickup. Sorry for stepping on any toes but it is a tuner/JDM and not a lowrider;P