Product review (4 stars): Installation tip
Seal worked as expected.  This was my second installation of these.  The first one lasted about 3 years and the rear seal started coming off, probably due to my poor gluing.  This time, I learned to use locking pliers to clamp the seal in place at one point.  That way, when you walk your way around the rim of the drum and meet back where you started, the seal won't want to pop off of the drum.  This allowed me to put the seal on evenly.  Don't forget there is a front seal and a rear seal on the drum, so you may want to by two.