I have owned Boss Plows since 1996. Now my problem is that when I purchased my plow for my 99 F350 back in October of 99 and had installed it I did notic that being able to turn to the left was reduced. I did purchase another system for my 00 F550 and had not had a problem turning to the left ( Due to BOSS had Changed the design of the rear bracket LTA 4128 B). Since ford had changed the design of the length of their pitman arm in March of 99. And my 99 was built after the design change. And the dealer did not notify me of a LTA design change and the service bulletin that says to cut lta 4128a in my opion it will not help that much that it looks like the pitman arn will still contact the LTA 4128a. The diffrence between the LTA 4128A & B. I would like to hear bosses comments. Since I was given The wrong part in the begining.