SEAT LEON ST (5F8) 1.4 TSI 90kW 09.2012-06.2015. SEAT LEON ST (5F8) 1.4 TSI 90kW 09.2012-06.2015 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.