stiffer

I have an IHI turbo which is the TD based one from a Mitsi and am looking for a stiffer actuator ( or just spring ) but Mike @ JBS is having trouble find one does any one have a clue for me ???

I'm looking for stiffer engine mounts for my 130tdi sport. Just got it remapped(cupra air intake and cooler+self made cat-back 2,5") and on the rollers I could see that the engine really moves around. Too much front-back-movement I think. And it causes the resonating when accelerating 'cause...