FNJ Active member Jan 12, 2009 #3 well the sizes are measured in inches. 83 gets as large as 83", 63 gets as large as 63" and so on, so i would just measure how far you want to sag and go from there
well the sizes are measured in inches. 83 gets as large as 83", 63 gets as large as 63" and so on, so i would just measure how far you want to sag and go from there
