BDL's EVO-10S is the work horse of belt drives. With over 50,000 kits running on bikes today you can be reassured this drive can outlast and out perform the competition. Our one-piece 6061-T6 polished billet motor plate locks the trans and engine together. All of these kits include a 3" wide belt drive unit with polished pressure plate, double row sealed mainshaft bearing, polished aluminum side plate and pulley covers and a complete "BDL Clutch" with Kevlar® plates. NOTE: Kit comes with 1/4" insert for stock application. For installation in wide frame/ tire applications, choose the appropriate insert. For Shovelhead® models from 1970 to 1978.