SuperPro 1990 Mazda Miata Base Front Upper Control Arm Bushing Kit - Camber AdjustableA Double Offset kit is used for enhanced handling performance and will deliver positive caster to both sides of the vehicle. The vehicle will have improved directional stability, crisper, more responsive steering and improved 'return to center' feel. This is a non tire wearing geometry change that has a substantial effect on a vehicles handling characteristics. Follow the installation instructions and enjoy the results! This Part Fits: Year Make Model