Ive had to use 10mm spacers on the rear of my frst. i got the front arches rolled at extreme in harlow.(not a good job done to say the least). mines lowered 50mm and rolls on 195/45/16. get obvious scrapes when poodling along but only when the rim is outside the arch. might av seen mine about in London Beach (Southend) or romford... mercury grey, morrettes mondy rims and slammed.hope this helps.