The spelling of it I'm not sure, something like nitro mores.. its basically some very evil stuff.. but poor some onto it and give is a quick brush and everything will come off the cover! recommend taking the cover off the engine before you poor this stuff on otherwise you'll be seeing how the engine works inside! This stuff will take any pain and dirt off and leave you with jus the bare metal, then all you need to do is use fine sand paper to smooth it off and some god old polish and you're done ;) Not done it personally but thats what I hear people who do this do..