Info:Martin 10L050 Solid Type DF-1 Stock Timing Pulley, 0.375 to 0.563 in Minimum Plain/Reborable Bore, 1.164 in OD, 10 Grooves, 1.194 in Dia Pitch, 0.562 in W Face
Info:B&B Manufacturing Powerhouse™ 10L050-6FS5 Type 6F L Timing Pulley, 3/8 in Minimum Plain Bore, 1.164 in OD, 10 Grooves, 1.194 in Dia Pitch, 3/4 in W Face
Info:B&B Manufacturing Powerhouse™ 10LF050X3/8 Type 6F L Timing Pulley, 3/8 in Finished Bore, 1.164 in OD, 10 Grooves, 1.194 in Dia Pitch, 3/4 in W Face