What motor is this??

[The ho har's]

Four dowel rocker gear..Is this a 1600 or 2ltr motor..has the early water pump front..will the 2.25 head fit it?

If not has someone got a head to fit?

HH

[Landy Smurf]

i should have a spare head but its off a 2l,i havnt checked the engine yet though to see what it is like