We were glad that we get in touch with Japan WPC Metal Surface Treatment, if anyone of you would like to do treatment on your engine racing parts, please let us know, we will quote you the prices and send it to JAPAN for the treatment. Some videos for you guys to understand what is WPC TREATMENT: 1.https://www.youtube.com/watch?v=jSiC7D8patU 2. https://www.youtube.com/watch?v=VvKH-BYQcoM