This is a transmission rebuild kit that fits various 5 speed Nissan cars from 1991-01 This Super High Quality Kit is made by TRANSPARTS Part# BK182C This transmission has a two piece aluminum case, a mutli-piece 2nd gear synchro ring (synchro rings are NOT included, see picture), a standard differential (non-posi) and uses two 32008J/10-57407N differential bearings (70mm outside diameter & 40mm inside diameter). This transmission is found in the following front wheel drive applications: Altima RS5F50 4 Cylinder 2.4L 1993-01 Maxima RS5F50A 6 Cylinder 3.0L 1991 Stanza Car RS5F50C 4 Cylinder 2.4L 1991-92 This kit comes with the main bearings and seals. All the parts that are included are displayed in the picture.