Build-It kits are for experienced transmission builders who want the parts BD puts in its own performance transmissions. Each kit covers the standard rebuild parts and gaskets; Stage 3 sits one step below BD's Stage 4 master kit.
Stage 3 suits builders who want BD's performance parts in the Allison without going to the full Stage 4 kit.
Experienced builders rebuilding the Allison in a 2011-2016 LML Duramax Silverado or Sierra HD for towing or added power.
| Transmission | Allison (LML) |
|---|---|
| Engine / years | 6.6L LML Duramax, 2011-2016 |
| Kit level | Stage 3 |
| Warranty | 12 months / 12,000 miles |
| Shipping weight / box | 52.5 lb · 22 × 15.6 × 10.8 in |
Professional install available at Powertech Diesel, Idaho Falls — call 208-542-7793.
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