Product Description
Build your own rebuild kit for the BW T10 / Super T10 manual transmission. GM Super T10 2nd design: aluminum case, 9-bolt side cover, 32-spline output, 1in countershaft pin. Pick the overhaul kit that matches your case, then add only the parts you need.
Build your own T10 rebuild kit: choose the parts that match the transmission on your bench and leave out what you don't need. This builder has 7 option groups and 23 choices, all optional, so the kit holds only what you pick.
What you can choose
- Choose Your Overhaul Kit: BK118 Bearing/gasket/seal kit, no synchros
- Add Synchro rings: 384701 Synchro blocker ring - each
- Add Synchro assemblies, hubs & sliders: 384701K 1-2 synchro assembly (hub, slider, keys, springs); 384703K 3-4 synchro assembly; 384701-2AK Synchro key & spring kit (both synchros); 384641 1-2 slider sleeve, late version (T10S-15); 384601 1-2 hub (1304-090-008); 384603 3-4 hub (1304-090-007)
- Add Shift forks: 384840 Shift fork, 1-2 or 3-4 (T10-23) - order 2 for both
- Add Gears & shafts: 384670A Input shaft 21T, 2.43 ratio (T10W-16CH / 1304-085-006); 384670B Input shaft 20T, 2.64 wide ratio; 384674B Countershaft cluster 27-23-20-18, 2.43 ratio; 384674A Countershaft cluster 28-23-20-18, 2.64 ratio; 384674C Countershaft cluster 29-24-20-18, 2.88 ratio; 384674 Countershaft cluster 31-25-20-16, 3.42 ratio; 384676 Countershaft (pin); 384583B 3rd gear 22T (T10S-11)
- Add Seals & gaskets: 384000 Gasket set only; 394070 Front input shaft seal (fits all T10/Super T10); 384074 Rear extension seal - small yoke; 384074A Rear extension seal - large yoke
- Add Small parts & bearings: 384001B Small parts kit, Super T10 1974-83 (SP10W-50); M6307N Input / mainshaft front bearing (6307N)