Belt Drives 8mm 1 1/2in. Belt Drive Electric Start EVB-2SL Kit includes front pulley, belt, clutch hub, clutch hub basket and Kevlar clutch set (consists of 2 half plates, 4 full plates and five steel five plates) Direct bolt-in applications System now comes with the Quiet Clutch System Precision-machined, polished aluminum pressure plate uses nine springs and shoulder bolts to ensure even spring pressure (included in kit) Rear pulley has a 40mm, double-row bearing with an inner stress-proof steel clutch hub to support the clutch