Hey fella according to the link they kick in 5-7c lower than stock which i believe is 89c ?? Which with the new switch would confirm what focus 4x4 has said . Heres the link anyway hope it helps !
http://cgi.ebay.co.uk/ws/eBayISAPI.dll?ViewItem&item=270739119742&ssPageNam e=STRK:MEWAX:IT