Info:Martin 13L050 Solid Type DF-1 Stock Timing Pulley, 0.375 to 0.813 in Minimum Plain/Reborable Bore, 1.522 in OD, 13 Grooves, 1.552 in Dia Pitch, 0.562 in W Face
Info:B&B Manufacturing Powerhouse™ 13L100-6FS5 Type 6F L Timing Pulley, 3/8 in Minimum Plain Bore, 1.522 in OD, 13 Grooves, 1.552 in Dia Pitch, 1-1/4 in W Face
Info:Browning® Gearbelt® 1054436 Type 1 Synchronous Timing Pulley With Flange, 1/2 in Finished Bore, 1.522 in OD, 13 Grooves, 1.552 in Dia Pitch, 3/4 in W Face