Ultra 250 Supercharger Pulley Wheel 1 to 1.1 (MAX BOOST + 2-4psi). Fits: ULTRA 250/260X MODELS ONLY. The new Racing Supercharger Pulley Wheel will deliver a noticeable and impressive boost in torque and overall horsepower. Designed and manufactured in Australia from high quality billet aluminum and precision hard anodized for superior belt wear resistance. Comes already fitted with a quality German Manufactured bearing... The item "KAWASAKI ULTRA 250/260X SUPERCHARGER PULLEY WHEEL 11.1 JETSKI" is in sale since Thursday, January 12, 2017. This item is in the category "Sporting Goods\Boating, Water Sports\Watercraft\Personal Watercrafts". The seller is "queensland_jetski_spares" and is located in Beaudesert, Queensland. This item can be shipped worldwide.