Js Racing Side Stay Set for Ultra Low Position Seat RailWhen combining the Ultra Low Position Rail with Recaro's RS G or TS G, the seat position may be too low depending on the car model. This may result in a narrower forward backward sliding range or limited freedom of angle adjustment. By combining this side stay, the forward backward sliding range and angle adjustment range of the rail can be increased, increasing the freedom of the driving position. Our Ultra Low Position Rail Optional Item