This kit contains all the fasteners needed to attach the engine undertray panel on the Citroen DS3 Crossback. The kits are created by French Tier 1 automotive supplier Restagraf using OE parts. They are the only supplier we know of that supplies the full kit including every required fastener and no generic substitutes. The parts are all OE quality and an exact match to the original Citroen items. This full undertray fitting kit will give you the confidence that your undertray will stay safely in position just as it did when it first left the factory.