Buell Carbon Fiber Seat Cowl fits only models XB9R XB12R FireboltMDI Carbon Fiber Seat Cowl for Buell XB9 XB12 1125. All our carbon fiber Seat Cowl are made with an Autoclave process, which uses the highest quality TORAYCA PREPREG carbon fiber fabric from Japan. More information on the manufacturers specifications: Finishes and Materials! Cures at 400 degrees and a pressure of 5Kg cm. One of the most advanced techniques for making composite components is by using PrePreg carbon fiber reinforcement, cured under heat