Properly designed suspension components must be strong and functional first and aesthetically pleasing second. Skunk2's Rear Lower Control Arms are both. Each arm’s I-beam shape and tapered design is a direct result of efforts to eliminate twisting, bending, and stress risers. Extensive FEA (finite element analysis) testing determined that conventional “straight and flat” designs are plagued by internal stress risers. A poorly designed arm will concentrate stress in particular zones, causing the arm to fracture and ultimately fail.
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