This kit sets the valve timing on the DW10 & DW12 Diesel Fiat & PSA (Peugeot & Citroen) ranges. Specifically manufactured for use on twin cam systems, with one camshaft driven by the cambelt & the other shaft driven by the chain in the head, this essential service kit is compatible with 2 litre SOHC & DOHC diesel engines (DW10) & 2.2 litre diesel engines (DW12). For full details, please refer to the product manual.