14 HARLEY FLHX2: Performance Machine Windscreen Trim - Scallop (Scallop) (Contrast Cut) Performance Machine is the leading manufacturer of motorcycle wheels, brake systems, controls, and accessories. Performance Machine premium products will open your mind to customization, providing you with the inspiration to create one-of-a-kind pieces of art that reflect your personality.CNC laser cut from 6061 T-6 aluminum.Scallop style and available in three fin