Vertex Valve Exhaust - Steel Category_Piston Needle Bearings and feature upgrades that improve

and feature upgrades that improve on the OEM design

semi-sintered pads are designed for use on classic and heavy streetbikes and cruisers

Polisport's replacement parts are produced with exclusive technologies to make the product durable and with the same level of quality as the original plastics of your dirt bike

Abrasion resistance: Level 2

EPDM moulded rubber for high UV resistance and injection-moulded components manufactured from high-strength POM material

Vertex Valve Exhaust - Steel Category_Piston Needle Bearings and feature upgrades that improveVertex valves follow high end OE specifications, using steel or titanium with a pressurised hardness treatment. Follows high end OE specifications. High quality steel or titanium valves.