The stock lugnutz did not fit then OZ sent me a set of silver ones part number is D2 thats OZ part number. Then I got my Sti lug nuts installed and installed them they are gold and match my rims gold Sl's and they are locking. Mac gaurd made in the usa shiped to japan and sold thier under the sti badge for almost 200 us 19,200 yen is what I paid they look hella cool I posted a pic of them in a thread on i-club a week ago...........