It's a cable throttle on the 2.5 as opposed to the solid linkage with the 2.25.
You need to move the o/s engine mount too as the injector pump is alot wider at that height.
If it's speed of fitting you're after, a 2.25's your best bet
I've recently bought a land rover and have bought twice from paddocks no issues at all. I've just put in a third order for some clutch gubbins and last night received a call (at about 7pm) from a lady at Paddocks saying she's a bit confused by my order because the clutch bearing doesn't match...