Could someone please explain to me about the bypass valve on the Purolator 14610 (for example) is it at the dome end? it seems different than Fram or ST that has a spring on the dome end. Based on this picture i'm guessing it's on the dome end also?
http://www.purolatorautofilters.net/resources/Popup/Pages/PartDetailPopup.aspx?partnum=L14610
http://www.purolatorautofilters.net/resources/Popup/Pages/PartDetailPopup.aspx?partnum=L14610