The rear axle on stock cars, is mounted to the body via silentblocks. These elements allow a movement that generates imprecision of the rear train, in particular in braking and insertion curve. This phenomenon is very detrimental in sport driving and, in addition to increasing the lap time, makes driving difficult and sometimes dangerous. Our kit replaces these rubber elements, with motorsport uniball and spacers, all made of anodized Ergal and includes all the components needed for the installation.