UK 5th gens have thick plastic stickers over the holes.NafemanNathan wrote:Yeah the two extra studs are a 5th gen thing. Not sure all 5th gens have them, so it might even be a jdm thing.
The spring rates are 12kg/mm on the front and 16kg/mm on the rears. The Tein Basics I have at the moment are meant to be 9 and 6kg.
Spring rates: http://www.ludegeneration.co.uk/topic4166.html