LR Torsion Arm, Straight, 600cc, 7/8" x 13", X4, X6, & X7

40-175

New for 2017. The X4, X6, & X7 Hyper Left Rear torsion arms are now designed with two shock mounting holes. The idea for the new hole, which is closer to the shackle mounting hole, was conceived when the R&D was being performed for the X7 chassis. More sh