3" electric start kit includes front pulley, belt, clutch hub and clutch basket and Kevlar clutch set (consists of two half plates, four full plates and five steel five plates), 6061 T-billet motor plate, outside guard and polished pulley cover Belt drive 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 The dual dome scalloped side guard kit comes with a 47 tooth front pulley and 72 tooth rear basket and the 141 by 3 inch wide belt Along with BDL's famous customer approved Kevlar clutch plates and most recognized domed pressure plate out there, this pressure plate has the capability of using either 6, 8, 9 or 12 coil springs to meet your power needs You adjust the pull and pressure of your clutch by the number of springs you install Want that Hot Rod look? Remove the domed pulley covers and you have that Bad Boy look This motor plate starts as a 40 lb. piece of 6061-T6 billet, then we have are way with it Add some of our favorite components and BOOM! it comes to life Replacement components available separately