I never had any problems with the levelers (coil spring) I have aluminum ones from a guy I bought them off of ebay. My friend has an 2002 silverardo and he was the one who told me about them. I probably wouldn't take it off roading as in jumping the truck but just for what I use it for is great. I do go off road on job sites but like I said I don't jump or do any mudding lol
K&A Lawn Care & General Services
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