I second Larry's comments about the KYBs. You get what you pay for. I tried a set on an Audi quattro - ruined the handling and went to Bilsteins.
I understand your need for economizing, though. Good luck.
2003 Dodge Durango SLT
2002 BMW E39 530i Sport
1988 Mercedes 300TE
2003 Chevrolet Suburban