Don't forget to change the 'O' ring to the coolant rail as it will surely fail when you have done the job and requires rail or pump removal to replace it !!
Also, say goodbye to any knuckles you still have !!
Happy Christmas
LOL...
Do you mean the one where that bit of steel pipe pushes into the top of the thermostat housing? If so, I'm not sure where I'll find one of those! Plan is for me to go down there tomorrow...