The 1/2" bumpstop gap is measured from the top of the upper bumpstop to the bottom of the UCA.
SRStaff · Registered Joined Dec 20, 2012 · 1,227 Posts #6 · Jan 19, 2016 View full thread The 1/2" bumpstop gap is measured from the top of the upper bumpstop to the bottom of the UCA.