You should set up a serious account with this place if you are going to race:
McMaster-Carr
http://www.mcmaster.comWeather-and-Fire-Retardant Foam Adhesive-Back, 1/2" Thick, 1" W, 25'L
http://www.mcmaster.com/#catalog/118/3551/=hfqvm9 I am telling you, you can source SO much of your hardware here its not funny. FAST delivery, overnight to most domestic locations (even MY remote rural area).