I would make sure they don't charge you anymore than a hour to replace that upper balljoint. I can do one in 30 min with a shitty old jack and some hand tools, but I have done them before.

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2008 Ford Ranger XLT 4x4
Auto, 3:73 gears
265 75 16 Cooper STT Mudterrain
Airbox Mod, Drop in K&N,Cranked T bars,No front swaybar
More to come!