... bushing, QD bushing, split bushing, taper lock standard belt pulley, V belt pulley, AK BK sheave, belt sheave.taper bushing split bushing ... 2BKH, 3BK e) Adjustable sheaves: poly V-pulley, multi-pitch H, L, J, K and M3) Bore: pilot bore, finish bore, taper ... iron, nylon, aluminum6) Made according to drawings and/or samples; OEM inquiries welcomed Timing pulley specifications:1) Models: a) XL037, L050, ...