Remanufactured Caliper - Manufacturer recommends replacing calipers in pairs. All OptiSelect Premium WBR calipers are remanufactured to match the exact OE specification for high-end performance vehicles and exceeds the OE specification for non-performance vehicles. Remanufactured in the USA, WBR OptiSelect Premium calipers come friction ready allowing you to select your favorite brand of brake pad. All necessary hardware is included - silencing shims sold separately. Product Features:Powder coated finish to match the OEM color or are Zinc Dichromate plated (gold color) to match OEM finishIncludes mounting brackets and all new mounting hardwareAll pistons are supplied newDust seals, o-rings, and boots supplied newOptiSelect calipers utilize the new Quiet Clips style abutment clipsMaintains the Correct OE Look and provides maximum protection even in severe climatesQuick, easy, cost effective and perfect fit installationEnsures smooth braking operationEnsures long life and maximum performanceEnsures proper pad fitment and reduced vibration related noise