If you want a complete listing of the B-Max parts use yokomo japan under products
http://www.teamyokomo.com/jpn/partsl...sis/bmax4.html
You can get the champion pack part no BM-CP @ ¥10000 (complete front and rear with sway bars etc)
http://www.teamyokomo.com/jpn/partsl...rts_bm_cp.html
or
Rears part no:
BM-1L ¥4000
http://www.teamyokomo.com/jpn/partsl...rts_bm_1l.html
Fronts part no:
BM-1S ¥3800
http://www.teamyokomo.com/jpn/partsl...rts_bm_1s.html