O.K so you will be running a late (H165) ute diff get a stanza (H165) tail shaft and get it shortened or get a 120y auto (H150) tail shaft and get it shortened(Try it first of course u never know in the conversion world). See how you go i have 120y H150 auto shaft here but it may be spoken for have to confirm with interested member.
Also your tunnel will be to squeezy for L series box so look at other tunnels say 120y, 180b, Stanza, 1200 Auto, Bluebird (got a bluebird one here $110 including post)