Ride Comfort may be important, but restoring a vehicles Ride Control, stability, stopping, lane change responsiveness and handling is critical. KYB Excel - G Shocks and Struts are designed for the most important performance purpose Restoring the vehicles original capabilities. KYB is a world leading supplier of shocks and struts to new vehicle manufacturers and the Excel - G is made on the very same KYB OE assembly lines, uses the same OE quality components and is calibrated to restore original, designed performance, not change it. That has earned Excel - G the classification OEA (Original Equipment for the Aftermarket). The KYB Excel - G is a nitrogen gas - charged, twin - tube design that includes every quality component that our global OEM products include and it is the preferred choice by professional technicians.