Brake System – Narrow Superlite – Drilled / Slotted – Front – 6 Piston Caliper – 12.19 in Rotor – Aluminum – Black Powder Coat – For GM Fullsize Truck 1988-98 – Kit. Wilwood 160-0471 Brake Rotor 8 Bolt Pattern. 810 11.75 x 7in UltraLite.