Product Description
Build your own rebuild kit for the 5LM60 / HM290 manual transmission. 3rd design only: single ball input AND output bearings, 1-piece brass 1-2 rings. 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 5 option groups and 10 choices, all optional, so the kit holds only what you pick.
What you can choose
- Choose Your Overhaul Kit: BK235BWS Master kit - bearings, seals, gaskets, small parts + 1-piece brass synchro rings (3rd design, 1991-94); BK235B Bearing, seal & gasket kit only - no synchro rings (3rd design, 1991-94)
- Add Synchro sleeves & assemblies: 302641 1-2 or 3-4 synchro slider sleeve
- Add Shift forks & shifter: 404843B 5th-Reverse shift fork; 404625 Shifter (tower) assembly, no detent
- Add Input shaft: 404670 Input shaft 26T, with step - match step to old shaft; 404670A Input shaft 26T, no step - match step to old shaft
- Add Gears & countershaft: 404583A 3rd gear 30T, second design; 404674A Cluster gear 34-28-22-14-43, 1.187in journal - S10 and full-size clusters differ, match journal + tooth counts; 404674 Cluster gear 34-28-22-14-43, 1.000in journal - S10 and full-size clusters differ, match journal + tooth counts