The SHW slotted monobloc rotor for 2017–2020 Porsche Panamera 4S 2.9L with 18in wheels (left front) is a slotted, ventilated one-piece rotor designed to promote cooling and maintain pad performance. The slotted face assists gas evacuation and pad cleaning while the ventilated monobloc body supports thermal control for the left front position on the listed Panamera 4S configuration; part 971615301L.
SHW 17-20 Porsche Panamera 4S 2.9L w/18in Wheel Left Front Slotted Monobloc Brake Rotor (971615301L)