Renthal, Framdrev, 520, 15, Kawasaki 99-08 KX250, Yamaha 03-20 WR450F, 03-21 YZ450F, 98-21 YZ250, 98-00 WR400F, 01-02 WR426F, 98-99 YZ400F, 00-02 YZ426F, GasGas 13-17 EC 450 F