Oil, and rear seal qeustions

[s13dan]

I need to replace the rear seal on my transmission and im going to get full synth oil for the tranny (Royal Purple)what wieght should it be... and where can i get a rear seal for the tranny im assuming its the same as a KA and with an SR.. and i need to change my fluid in my rear end what wieght should it be?? thanx all

S13Dan

[HaLo]

it'd the same and you can get it at nissan.