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11-15 6.6L LML Duramax
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  1. Allison 1000 Transmission Stage 2 725HP Max
    Allison 1000 Transmission Stage 2 725HP Max
    $6,995.00
  2. Allison 1000 Transmission Stage 3 900HP Max
    Allison 1000 Transmission Stage 3 900HP Max
    $7,995.00
  3. Allison 1000 Transmission Stage 4 900+ HP Max
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    Allison 1000 Transmission Stage 4 900+ HP Max
    $9,995.00
  4. 300M Billet Output Shaft for 2011-2019 4WD Allison Transmissions LML / L5P.
    TCS Allison Billet Output Shaft - 4WD - 11-19
    $535.00
  5. C4 Clutch & Steel Kit for 2011+ Allison 6 Speed. For High-performance or towing applications with increased horsepower and torque.
    Allison C4 GPZ Torqkit (2011+)
    $64.00
  6. C2 Power Pack Clutch Kit for all Allison 5 & 6 Speed Transmissions.
    Alto Allison C2 Power Pack Clutch Kit
    $90.00
  7. Deep Pan for Chevy/GMC Duramax With 5 or 6 Speed Allison. Holds 4.5 quarts over stock. Requires deep pan filter.
    MagHytec Allison 5/6 Speed Deep Pan
    $325.00
  8. Allison C-2 Clutch Hub for 5 & 6 Speed Applications. Made from 4140 HTSR billet steel.
    TCS Allison C2 Clutch Hub
    $499.00
  9. Billet Input Shaft for Allison 1000. For 2001 - 2016 Models Only.
    TCS Allison 1000 Billet Input Shaft 2001-2016
    $599.00
  10. new!
    Bonded Piston for 5 & 6 Speed Allison.
    Allison 5/6 Speed Piston
    $30.00
  11. Allison HD C4 GPZ Torqkit Clutch Pack (2011+).
    Allison HD C4 GPZ Torqkit Clutch Pack (2011+)
    $75.00
  12. new!
    Allison 5 & 6 Speed C1 Power Pack Clutch Kit.
    Alto Allison C1 Clutch PowerPack (01-19)
    $160.00
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