Powerflex Lower Engine Mount Insert (Large) Diesel - Superb (2008 on) - PFF85-704R
Very difficult to press in even with extra lubricant, once fitted- extreme engine vibration at idle. Eventually I had to shave some material from bush before refitting, this reduced the vibration greatly.
No rock from engine and gear change greatly improved.
(Awesome Staff tip: Use Dish Soap/Washing up liquid to lubricate the insert before fitting, this makes it fit much easier.)