Shiwnath is correct ... Your going to need to search for 99+ grand ams. You will be looking for Intrax part# 25-1-016. They do say on them 2.0" - 2.25" drop but like I said once they settled on my car I got 3" out of them.
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2008 Chevrolet Silverado 1500 LT1 Z71/4x4
2000 Oldsmobile Alero GLS - Sold
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