Dr. Pulley Clutch Kit for 250cc Honda and Suzuki ScootersSPECIFICATIONS: Does Not Include Clutch Bell50 Degree Pillow SpringsIncludes 1 Nut LockerIncludes Assortment of Pillow Springs and Clutch Springs for fine tuningCOMPATIBILITY: Honda – CN250, Helix 250Suzuki – Burgman 250 This performance Dr. Pulley HiT clutch is specifically made for CN Moto 250cc WITH OUT HI/LOW transmission engine. Therefore, this clutch only works for the GT 250 or Standard 250 or any other 250s on the market that are Forward/Neutral/Reverse OR Forward/Reverse. The DR. PULLEY clutch does NOT come with the outer clutch drum. Clutch Outer diameter: 150mm – for use with 153mm clutch bell. Center opening: Width – 28mm; Height – 24mmThe Dr Pulley HiT clutch has high-quality Kevlar clutch pad material running the length of the clutch arms for maximum surface area engagement with the clutch bell.Additionally, the HiT clutch has a secondary mechanism that engages when your CVT system reaches a certain RPM (tunable