SEM is the product I use. Start by prepping the surface with scotch brite or if possible strip it. Use Wax and Grease remover etch prime all bare metal then apply SEM 38363 Sand free to promote adhesion. Top coat with SEM 15013 Landau Black. I have used this process 2 times now and the result is great. Try a test piece before you do the whole dash so you have an idea of the final finish. I have taken mine to several shows and have had rave reviews of the final product. SEM product lays out soooo nice.