Defender/Discovery 1/RRC 200tdi/300tdi Decoke/Head Gaskets
STC1172 200tdi Decoke top end gasket set (no head gasket)(pic 1)
STC2802 300tdi Decoke top end gasket set (no head gasket)(pic 2)
BT1629 200/300tdi Head Gasket (1.60mm) no holes
ERR5263 200/300tdi Head Gasket (1.50mm) 3 holes
ERR5262 200/300tdi Head Gasket (1.40mm) 2 holes
Please note that the reference to holes 2 or 3 hole is a gasket thickness indicator punched into the head gasket to identify it.
If unsure of the thickness you need its recommended you use the thickest gasket to avoid engine damage