I have done custom paint jobs on cars before, and just recently bought a blaster and took the plastics off of them and painted them myself. I sanded them with sand paper and them did three coats of primer 10 minutes a wait period between coats, after last coat of primer wait 30 minutes than start with the color you want your plastics done same thing three coats wait 10 minutes between coats. After the last coat of color wait 30 minutes than 3 coats of plastic clear coat sealer, same thing 3 coats and then let sit for 24 hours before putting them back on the blaster. When i took it out the next day my friends thought I had ordered new plastics. Only cost me about 40 dollars.