Hi. I keep getting different answers and can't seem to contact Bilstein due to weekend. But I would like to install ASAP. Here goes again. I am installing these Bilstein B6 HD front struts. Part number 35-128717. Do they have internal bump stops or do I need to buy and install separate bump stops? S197 (2008 GT) Ford Lowering P springs on Already have Bilstein B6 HD rear shocks on Ford GT500 strut mounts will be installed too I already bought the Bilstein B6 HD front struts Thanks for a hopefully clear accurate answer.