... Timing Belt Pulley 1.Straight-bore: MXL,XL,L,H,T2.5,T5,T10,AT5,AT10,3M,5M,8M,14M;2.Taper-bore ... : L,H,XH,5M,8M,14M;3.Timing pulley bar: MXL,XL,L,T2 ... :1. Have been supplying to big players in this industry for years2. Lowest price based on large scale production3. ISO9001-2008 ... maintainance;4. lowest radial load on it's support Timing Belt Pulley