got a new moog sway bar link from amazon and the top ball joint spins when I put a nut on it and try to tighten it. the passenger side link, that is still original, doesnt spin and I can tighten it with no problem. my question is, do I have to put more grease into the ball joint because it already came greased? or do I have a defective part?
good gas mileage is highly overrated.