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Cases and Internal Parts Kits

  • SGIPKGM12P  12 BOLT GM POSI IPK
    SGIPKGM12P 12 BOLT GM POSI IPK
    Differential Spider Gear Kit The Spider Gear Kit replaces the internal differential components and includes side gears, pinion gears, side and pinion gear thrust washers, cross pin shaft, and cross pin bolt...

  • SGIPKGM12S  12 BOLT GM STD IPK
    SGIPKGM12S 12 BOLT GM STD IPK
    Differential Spider Gear Kit The Spider Gear Kit replaces the internal differential components and includes side gears, pinion gears, side and pinion gear thrust washers, cross pin shaft, and cross pin bolt...

  • WCDGM12PEAT-3  12P GM 3.90< EATON POSI CASE
    WCDGM12PEAT-3 12P GM 3.90< EATON POSI CASE
    Open Differentials An open differential allows both tires to spin at different speeds. This is perfect on dry pavement when the vehicle corners and the axles turn at different speeds, but it doesn’t work very well...

  • WCDGM12PEAT-4  12P GM 4.10> EATON POSI CASE
    WCDGM12PEAT-4 12P GM 4.10> EATON POSI CASE
    Open Differentials An open differential allows both tires to spin at different speeds. This is perfect on dry pavement when the vehicle corners and the axles turn at different speeds, but it doesn’t work very well...