well this one is a 10 bolt 10 bolt lol! i havent actually got it all installed yet but this tuesday i got the day off and all i gotta do is bolt the 4 small screws in the backing plates, install the axels and "c" clips, fill the rear with posi fluid, reinstall the drive shaft and put on the drums and taker for a spin... yeah its alot but i think its gonna be worth see'n my buddy in his rsx type s poop himself a lil. ô¿<