Brand: Kimpex Part Number: 274880 All Kimpex Windshields are made of Optical Grade Polycarbonate which is the same material used as original equipment. To help you find the appropriate windshield we have incorporated the heights for all the windshields available. The height of our KIMPEX windshield is measured from the side of the windshield starting at its base to its highest point on a vertical line.