Variator series EVO RACING 4, is one of the top products, developed by J.COSTA, dedicated to those who want to install or have installed an aftermarket exhaust in order to achieve a substantial increase in performance. The Variator EVO 4 provides average increases of 5 hp for maxi scooters 400 / 500cc and about 2 hp for the classes 125/250, it has not affect consumption, indeed optimizes them, while also improving the drivability of your scooter. We remember you that this drive should NOT be used with the stock exhaust. Readiness in restart, most sprint during overtaking and maximum speed improved are the main features of this product, then united to greater quietness. The materials used, guarantee to J.COSTA Variator a much more long life respect the original variator, original will reduce power with the passage of time and all the accessories that make up the J.COSTAKits can be easily purchased, while the original variator worn is necessarily replaced in full. As mentioned, the Variator will be paid almost alone with savings at "pump", gasoline consumption in the long term in fact are optimized! At a technical level, the Variator is made of special aluminum with ceramic treatment ,made from fully CNC machines, guaranteed for long distances. The bell is made of AISI 304 stainless steel with inlaid bronze center bushing with graphite used as anti-friction and dry lubrication, the gliding rollers are made with special high-strength plastic material

• APRILIA SR RACING 50

APRILIA SR RACING 50JCOSTA