I have pretty much the same problem. I just figured it was because I drove around with half a PML for so long (t-bar crank, stock shackles... gets rid of the rake) I got some new bump stops to help... I guess they were worth the $10?

Here are a whole bunch to choose from.

I believe I have the 99102's? But you could go for the 99132's if you REALLY want low pros.
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2004 World Champ - 4x4 Man Trans - Silver - 3"SL+2"BL - Revolvers - Rancho RS9000XL's - Rancho RS5000 stab w/IAB - ARB rear locker - 34" BFG MT's Soft 8's - Blood red Shrock Sliders - Mean Green 180A - Optima 31 Bluetop - U-bolt skids - Hz+dB's