UMI Performance 64-72 A-Body Lower Control Arms with PolyRoto-Joint for Smooth Ride

UMI’stubular lower control arms utilize our Roto-Joint technology for a bind free performanceand quiet comfortable ride quality. The Roto-Joint design is a pivot ball linedwith a greaseable delrin race designed to offer 28 degrees of totalunrestricted movement, more than adequate for a bind free, low frictionoperation. The Roto-Joint design improves performance over the factory rubberand aftermarket polyurethane bushings by allowing the suspension to articulatecorrectly, and provide precision handling. The installed UMI Roto-Joint allowsrear end free movement when high handling, auto cross or road race is a concernwhile still being a 100% streetable setup. The installed delrin race, whichlines the spherical ball, absorbs shock and road noise for a quiet and smoothoperation on any street or track driven vehicle. This control arm set featurespolyurethane bushings on one end and UMI’s spherical Roto-Joint on the otherend. This set-up is designed for street performance and street enthusiast. Thepolyurethane bushing end is designed to be bolted to the vehicle chassis sidewhile the Roto-Joint attaches to the rear end side. Since the polyurethanebushings are softer they are designed to absorb more road noise and shockbefore it enters the passenger compartment of the vehicle. Both control armsfeature the correct provisions for adding a stock or aftermarket sway bar. Swaybar holes are reinforced with a 0.120″ wall thickness steel sleeve that is TIGwelded and sanded into place. All bushing ends and Roto-Joints are greaseableand low maintenance making an excellent street setup for your cruiser!

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