GKTech - 240SX/SKYLINE OEM REAR KNUCKLE SPHERICAL BUSHING UPGRADE (PAIR)Want to reduce bushing deflection and change out your tired OEM rear knuckle bushings? We have the solution. We have made replacements, however, they are a spherical bushing rather then a polyurethane or rubber bushing to significanty reduce bush deflection and ensure a much smoother operation throughout the range of suspension travel. As with all of the bearings that we use throughout our suspension arms, these spherical inserts use common sized