I'm having all my shit polished and coated, It's a real pain in the ass to polish all that stuff EVERY time you take it out. I've got some stuff called Zoop Seal, it was a sample from SEMA last year, it's marked $120 on the box. The Zoops is a four stage sealing proccess, I'll prolly have to take everything apart just to get to it all. This tuff says it's good for 2-3 years and is enough to coat your engine and four wheels. Eastwood has a product out for aluminum you spray on, havent got any info on it yet, may try it on the new (old) flatty project. I can polish my cav plates out w/ Mothers, McGuires has a polish w/ a little higher luster, and ONE time in the water it looks like shit again. Aluminum starts to oxidize imediatly, coat it or forever polish.