I went through the same thing when I installed my lift. I had 3 door companies come out to quote and was amazed at the difference.
One said It couldn't be done, another said I needed whole new door and finally the 3rd guy said no problem $100.00 for the high lift kit, $120 to remove old side...
I have the pro park 8s and love it! When I was trying to decide which lift to buy I was very cautious because I read some neg stuff about Greg Smith. I had NO first hand knowledge and I have read about a lot of guys going through him with good results but it scared me. So I bought mine from...