Perfect fit to the ignition cover. Optimum protection against rock impacts. No need to disassemble the ignition cover for installation. Built-in O-ring to prevent vibrations. Free clearance to the oil filter cover and cap. All mounting hardware included t This is where it all began, 40 years ago - Polisport started building aftermarket parts so that everyone could enjoy their bikes without worry and with even better looks and improved performance. Performance plastics kick-started its success and are still the core of Polisport. Abrasion and impact resistant. Easy and intuitive installation. Hard shell in hard resistant PA6 (polyamide).