Product Overview:- Stoptech Slotted Sport Rotors Are 1-Piece Direct Replacement Brake Discs For Factory Brake Systems And Stock Calipers That Look Great Behind Your Wheels €“ And Offer Significantly Improved Braking Performance. The Unique Slotting Aids With Heat And Brake / Dispersal; Prevents Glazing Of The Pads; Adds Bite And Improves Wet And Dry Braking Performance. Built To Last; The Black E-Coating Provides Protection From Corrosion And The High Carbon Metallurgy (In Most Applications) Offers Quieter Operation; Better Crack Resistance And Increased Performance.Product Info:- Stoptech Sport Slotted Rotor, LeftManufacturer Part Number:- Part Number: 126.42005SlProduct Features:- Stoptech Sport Slotted Brake Rotor; Front Left- Premium E-Coated Rotor With Advanced Metallurgy That Greatly Reduces Pad Squeal.- Especially Effective With Higher Friction.- European Style Brake Pad Compounds.- Slotted For Increased Bite, Improved Looks And Better Performance.