BPerformance Machine Gas Cap - Array ReviewbP PP Performance Machine Gas Cap - Array PPerformance Machine is the leading manufacturer of motorcycle wheels, brake systems, controls, and accessories.PPerformance 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.Machined Performance Machine Logo.CNC'd from aircraft-grade aluminum.Gas caps are vented style.Gas caps also available with L.E.D.Pfuel gauge (sold separately).Made in the U.S.A.