AutoExe RX-8 Lower Arm Bar Made of Steel

"Lower arm bar" that suppresses deformation of the pivot (fulcrum) on the lower side of the suspension.
In mass-produced vehicles, the bases of the left and right lower arms, which are the base points for mounting suspensions with an open structure, are connected with highly rigid steel or aluminum pipes to suppress unnecessary alignment changes and support accurate handling.
Gussets (reinforcing plates) are placed on the mounting surface to equalize the pressure applied to the joint surface. It ensures the highest level of rigidity for a lower arm bar.
As for the effect on the minimum ground clearance, which is of concern, the effect on practical use is small because the decrease is suppressed to a maximum of about 15 mm.
It is more effective to install it in two stages, upper and lower, with the strut tower bar and floor cross bar.

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Lower Arm Bar