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Underdrive Unit for Jeep Wrangler with NV231 Transfer Case
InfoVehicle Info Needed
ADVANCE ADAPTERSPART NUMBER: 050-RUBI-TJ

Underdrive Unit for Jeep Wrangler with NV231 Transfer Case

$1,89332$2103.69You Save$210.37
ShippingShips on 10/06/2026
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Transfer Case Underdrive Unit
  • Twin Stick Shifter
  • Sold Individually

    Gearing is what makes a four-wheel-drive vehicle usable at both ends of its range, and the transfer case is where that gearing lives. A geared case or range kit lowers crawl ratio for technical terrain while keeping highway drivability, which is the tradeoff most builds are trying to solve.

    Advance Adapters RUBI-TJ Features:

    • Twin Stick Shifter.
    • Sold Individually.

    Supersedes part number RUBICRAWLER.

  • Part TypeTransmission Adapter
    BrandADVANCE ADAPTERS
    Package Height20.0
    Package Width22.0
    Package Length22.0
    Weight60.0 PG
    Part CategoryPerformance Parts
    Shifter StyleLinkage operated
    QuantitySold Individually
    Part FitmentSemi Universal
    Shifter IncludedYes
    Package Qty1
    Package TypeEA
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    Some parts are not legal for use in California or other states with similar laws / regulations
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