Moderator and Scrounger Extraordinaire
85 Bronco, 309ci I6 w/4bbl, np435, 4" lift, 37" Irok NDs, 4.56 w/ Detroit Locker and tru trac
A sway bar disconnect is for detatching the sway bars from the frame for offroad flexibility. Then being able to reconnect them for the drive home.
Not sure what that specific product is though.