... ,L075,L100,H075,H100,H150,H200,H300,XH200,XH300,XH400 Timing belt pulley: Models : XL037,L050,L075,L100,H075,H100,H150,H200 ... -170,T2.5,T5,T10,T20,AT2.5,AT5,AT10,AT20 Pilot bore ,taper bore, QD bore Material : 1045 steel , aluminum ... phosphate, anodized , zinc-plated Standard toothed bars are also available . Timing Pulley