... .2 Made of superior gray cast iron GG25 Taper Lock Belt Pulley - Europe Standard 1 SPZ, SPA, SPB, SPC ... include Locking Assemblies, Couplings(Aluminum/steel), Taper Lock Belt Pulley, Timing Pulleys(Aluminum/steel), Bushings, Sprockets, Gears,and other machinery ... spare parts and all kinds of non-standard parts. Taper Lock Belt ...