4 piston calipers feature an all new design for true. The new Ultima® caliper uses standard. TECH NOTE: Dual-disc applications require a left and right caliper.Designed for 11.5 disc applications on most 84-99. The item "Black Front 4 Piston Brake Caliper 84-99 Harley Softail Dyna Sportster Touring" is in sale since Sunday, June 3, 2018. This item is in the category "eBay Motors\Parts & Accessories\Motorcycle Parts\Brakes & Suspension\Calipers & Parts". The seller is "americanclassicmotors" and is located in Zieglerville, Pennsylvania. This item can be shipped worldwide.