Yamaha Carbon Fiber FZ1 Lower Heat Shield 2009 2010 2011 2013 2014 2015MDI Carbon Fiber Heat Shield Lower for Yamaha R1. All our carbon fiber Heat Shield Lower 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