im wanting to upgrade my shocks on my f250 and plan on going with bilstein but what is the big difference between the hd shocks and say the 5100 series?
http://www.allshocks.com/bilstein/h...='FORD'&model='F250 Superduty 4WD'&year='2003'
http://www.allshocks.com/bilstein/h...='FORD'&model='F250 Superduty 4WD'&year='2003'