These swingarm bushings fit MK3, MK4, MK4 SD, MK5 SD, & MK9-10 Matadors,  MK2, 3, 4, 5 & 6 Pursangs, & the model 90, 105 & 106 Astros.
These bushings are used with the 42-03-021 bronze bushings along with 16mm diameter swingarm axle. Sold as a set.