revlimit beat me to the corrections.
even supplied with chassis codes eh, needed for the rare double synco that the YS1 has strangly on 1/2 not 3/4 which is used the most
remember folks, u can get any HYDRO LSD to fit a YS1 (I have prooved it) and so have many others on G2ic.com and honda-tech.com
a YS1 is a bigger box (2.5

than all the other cable boxes and is nearly a hydro box with cable bell housing and mounts