UMI tubular lower control arm set with Roto-Joint for 2005 and up Ford Mustang uses a swivel Roto-Joint and polyurethane bushings to prevent suspension bind while remaining streetable. The Roto-Joint offers 28° of rotation with a 4140 chromoly, hard-chrome plated spherical ball riding in a greaseable delrin race. Arms ship fully assembled, are adjustable and rebuildable, and combine quiet street manners with improved traction and articulation.
UMI Performance 05-14 Ford Mustang Lower Control Arms- Poly/Roto-Joint Combination