StopTech Sport Rotors are 1-piece direct replacement brake discs for your factory brake system and stock calipers. These Slotted & Drilled rotors improve braking performance and cooling by adding biting edge and increasing surface area. This specific part (127.40094L) is for the Front Left position. Features include: E-Coated finish for corrosion protection, high-carbon metallurgy for noise reduction, and a drilled/slotted design for superior wet and dry performance. Part of a complementary system: pair with 127.40094R (Right Side) for a complete axle set. Related parts: 127.40094L (Front Left), 127.40094R (Front Right).