Well I have to replace ball joint's on my truck. Les schwab Want $ 600.00 Dollars that is ball joint's and alinment. That does not include seal's o-ring's the use dana parts. Any suggestion's
All the parts needed can be had from powerstrokeshop.com for $290 plus shipping. It is a good 5 to 8 hour job, depending on the difficulties that are run into. Find out what brand/type of ball joints the shop includes for the $600. Maybe you can buy the kit and have the shop install it. The axle seals that go in the knuckle go for ~$45 each from Ford.
Just for some comparison, I had all 4 ball joints replaced, had an alignment done and had all 4 axle seals replaced by the local Ford dealer about 2 years ago. Total cost was $1000. If you can't do the job, I'd say $600 isn't to bad. Just my opinion.
Dana/spicer in my experience have been good stuff, factory parts on alot of vehicles. Moog is the best for aftermarket parts, not sure how they compare to the dana stuff in price. I did alot of ball joints back in the day for more than 600.00, so seems pretty reasonable to me, but if yiou can do them yourself.....
There is an article, that I wrote a while back, in the SDD Technical articles - WIKI, in the top BLUE LINE above. You can give that a look if you want to.