SEAT LEON ST (5F8) 1.2 TSI 77kW 08.2013-08.2020. SEAT LEON ST (5F8) 1.2 TSI 77kW 08.2013-08.2020 Rear, Left, Right. Made with high-quality stainless steel fittings and stainless steel braided hose, these brake lines are designed for increased reliability, durability, and performance.