Product Description
Build your own rebuild kit for the 5LM60 / HM290 manual transmission. 1st design 1988-89 (double ball/roller input & output bearings) and 2nd design 1989-90 (ball+roller input, single ball output). Pick the overhaul kit that matches your case, then add only the parts you need.
Build your own HM290 rebuild kit: choose the parts that match the transmission on your bench and leave out what you don't need. This builder has 4 option groups and 5 choices, all optional, so the kit holds only what you pick.
What you can choose
- Choose Your Overhaul Kit: BK235AWS 2nd design 1989-90: master kit w/ 1-piece synchro rings (ball+roller input, single ball output)
- Add Synchro sleeves & assemblies: 302641 1-2 or 3-4 synchro slider sleeve
- Add Shift forks, shifter & tower seals: 404843B 5th-Reverse shift fork; 404625 Shifter (tower) assembly, no detent (1988-92)
- Add Gears: 404583 3rd gear 30T, first design