... V-belts V-belt pulley Specifications 1) European standard A) V-belt pulleys for taper bushings SPZ, SPA ... 2BK, 2BKH, 3BK E) Adjustable sheaves poly V-pulley, multi-pitch H, L, J, K and M ... pilot bore, finish bore, taper bore, bore for QD bushing 4) Surface finish paint, phosphate, zinc ... to drawings and/or samples; OEM inquiries welcomed Timing pulley Specifications 1) Models a) XL037, L050, L075, ...