rollas are a good power to weight combo with a twin-cam fitted I don't know way more people haven't done the conversions. Yes they are a different stud patern(4-114.3)the ke-10 to 25 had the smaller 4-100 & smaller stub axle any rolla & all celicas after this are the same 4-114.3.New rims required,I paid $50 a side for the ra60