Could be a bunch of things...but the most likely is over torque on the UCAs/shock bushings/lack of lube.

Did you grease the zerks?

Use a torque wrench on the bolts?

laugh
_________________________
- TJ

2001 Xterra '03 VG33, SE 5 spd, 305/70/16's, Revolvers, UBSkidderz, Doubled AAL's, 3"SL/2"BL, winch/bumpers, skids, sliders, OBA, Snorkel, pine stripes....

Friends don't let friends drive stock.

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