MACE BARE 4-PORT CYLINDER HEAD TO SUIT NISSAN YD25DDT YD25DDTI TURBO DIESEL 2.5L I4Manufactured from high quality aluminium castings, then precision machined, this replacement 4 port cylinder head is brand new and comes completely bare. It will suit Nissan common rail diesel models (CRD) with the 4 port intake. If you're looking at sourcing your own componentry or doing a head swap on a budget, then this bare head is the way to go. Contents: 1 X Bare cylinder head Vehicle Fitment Guide Note: Assembled cylinder head, VRS kit and head