SSBC 23045AA3L Drilled Slotted Plated Front Driver Side Rotor for 1988-99 K1500 1.25" Wide Precision drilled holes vent super heated gases, eliminating brake fade Precision Turbo slotting maintains a clean pad surface giving you maximum grip and quiet braking Quality controlled to ensure every rotor meets and exceeds OE standards Cooler operating temperatures ensure maximum friction between the pad and rotor for maximum stopping power Bolt pattern: 6 x 5.5 inches