LuK: The brand professionals trust! For over thirty years, automotive aftermarket technicians have staked their reputation and their customers satisfaction on LuK RepSet® clutch components. Each set contains everything you need to get the job done right: new clutch, disc, release bearing, pilot bearing (where required), spline tool and lubricant. As an original-equipment supplier, LuK develops the performance specifications for individual vehicle applications. LuK offers the highest in-house manufactured content of any supplier in the industry.