RCplane buyer on Ebay for solid rod grates and flavor bars. Then for the most part the rest is elbow grease really
the bolt on the left side that holds the firebox to the frame is a real pain hopefully you can break it but you will have to get creative then please replace with SS
try not to remove the screws holding the burner tubes down if you can get away with it. They are such solid cookers I pick the m up every chance I get