StarTrac Motor Pulley, Flywheel Only. 8"x 5/8 ID.

This part can be used on the following model(s).
Startrac - Pro_5500_PSxxxxxxxx_ 9-5531_9-5532_9-5533
Startrac - Pro_5600_PTxxxxx xxx_9-5631_9-563
Startrac - Pro_6500_PIxxxxxxxx_ 9-6531_9-6532_9-6533
Startrac - Pro_6600_PWxxxxxxx x_9-6631_6632_6633
Startrac - Pro_7500_ASxxxxxxxx_ 9-7531_9-7532_9-7533
Startrac - SPORT_TR4200_STxxxxxxxx
Startrac - TR3900_Gxxxxx
Startrac - TR4500_Dxxxxxx_9-45x x_450x_451x_452x_453