YS1 GS LS RS SSO Y80 S80 Y21/S21 S4C Acura/Honda Transmission Rebuild Kit BK390 Acura Integra 1.7L 1992-93 5Spd YS1,GSR, VTEC Acura Integra 1.8L 1992-93 5Spd YS1, GS, LS, RS, SSO Acura Integra 1.8L 1994-95 Y80, RS, LS and GS Acura Integra 1.8L 1996-ON 5Spd S80 Honda Civic 1.6L 1998-00 5Spd S4C DOHC VTEC ONLY Honda Del Sol 1.6L 1994-97 Y21/S21 DOHC VTEC ONLY If your not sure about which Transaxle you have look for the Gold Foil Tag towards the top of the unit and write down the complete number. Also find out your engine size for sure! Very Important on a Acura. Last is the Model of Car you have. These transmissions utilized a ball-type differential bearing with an 18mm wide inner race, and a ball-type rear input bearing measuring 72mm outside diameter. This kit includes all New Main Roller Bearings, Front Seal, Shift Lever Seal, and both Axle Seals.