Your search for "shifter bushings" revealed the following:
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
1999-2005 Mazda Miata Shifter Surround Trim NC10-64-471 (Silver)
Regular price $24.45Used 1999-2005 Mazda Miata Shifter Surround Trim (Silver) *** Due to the location and material of this part some light...
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...