Your search for "Shifter bushings" revealed the following:
1999-2005 Mazda Miata Lower Shifter Ball Bushing R503-17-492
Sale price $8.45 Regular priceNew Genuine Mazda 1999-2005 Mazda Miata Lower Shifter Ball Bushing R503-17-492
1990-2005 Mazda Miata Upper Shifter Ball Bushing R502-17-492
Sale price $11.45 Regular priceNew Genuine Mazda 1990-2005 Mazda Miata Upper Shifter Ball Bushing R502-17-492
2001-2005 Mazda Miata 6 Speed Shift Lever Y601-17-510D
Sale price $154.45 Regular priceNew Genuine Mazda 2001-2005 Mazda Miata 6 Speed Shift Lever ** Don't forget the lower ball, and other shifter bushings...
1990-2005 Mazda Miata Whiteline Rear Control Arm Bushing Kit
Regular price $142.79New 1990-2005 Mazda Miata Whiteline Rear Control Arm Bushing Kit
1999-2005 Mazda Miata Prothane Steering Rack Bushings (Red) 12-701
Sale price $14.45 Regular priceNew 1999-2005 Mazda Miata Prothane Steering Rack Bushings (Red)
1990-2005 Mazda Miata Polyurethane Differential Diff Mount Bushings
Sale price $44.50 Regular priceUsed 1990-2005 Mazda Miata Polyurethane Differential Diff Mount Bushing Kit
1990-2005 Mazda Miata Solid Rear Upper Control Arm Bushing NA01-28-8C0C
Regular price $35.00New 1990-2005 Mazda Miata Solid Rear Upper Control Arm Bushing NA01-28-8C0C
Momo Anatomico Short Shift Knob - Black Leather with 1990-2005 Mazda Miata Insert
Sale price $34.45 Regular priceUsed Momo Anatomico Short Shift Knob Black Leather 1990-2005 Mazda Miata Insert *** Older Momo Logo, Sign of Wear shown...