The Sealey Mercedes CDi Injector Stud Repair Kit is a specialist thread repair solution designed for Mercedes CDi engine injector clamping bolts. This comprehensive kit enables professional repair of damaged or broken M6 injector clamp bolt threads in the cylinder head, restoring full functionality without the need for costly component replacement or extensive engine dismantling. Ideal for independent workshops, mobile mechanics and professional garages servicing Mercedes CDi engines, this kit provides a complete solution for a common repair challenge. The stepped drill and drill guide system ensures precise alignment and depth control when preparing the damaged thread, whilst the supplied tap and threaded inserts create a durable M8 x 1mm outer thread that accepts the original M6 injector clamp bolt. The kit includes all essential tools for the repair: M8 x 1mm tap, 7mm/8mm stepped drill, 6mm drill, drill guide, thread insert fitting tool, and five M8 x 1mm threaded inserts with M6 in