These Schumacher Racing Products factory replacement integrator washers are designed for the XLS TC platform and are sold as a pair. They are flat metal washers used in the differential assembly to maintain proper spacing and smooth operation within the drivetrain. Having a fresh set on hand is a practical precaution for routine differential servicing or rebuilds. Features: Sold as a pair Metal construction Differential component for XLS TC Factory replacement from Schumacher Racing Products 7/7/26 cs