KellTrac S550 Mustang IRS Bushing Upgrade Kit, Level 1 KTI-BUK15L1

This Level 1 KellTrac S550 Mustang IRS Bushing Upgrade Kit for the S550 Mustang positively locates the rear IRS Subframe AND the rear lower control arms within the chassis. By filling the voids within the factory bushings on the Subframe Mounts and putting positive pressure on the factory bushing stops, the PosiLoc kit eliminates the deflection found within the stock assembly that leads to poor performance in all scenarios. By completely removing the sloppy rubber in the factory front Lower Control Arm bushing, the Spherical Bearing kit positively and precisely locate the rear axle knuckle assemblies within the chassis. These Lower Control Arm Bearings are made from only the best materials. The factory rubber bushings, or even aftermarket polyurethane bushings deflect under heavy loads - these bearings eliminate that deflection that leads to poor performance in all scenarios. With our Level 1 kit we provide front centering sleeves to complete the squareness of the IRS Subframe when mou