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Home » Drivetrain & Differential » Crawl Boxes

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Crawl Boxes

When you are looking to increase the performance of your 4x4 without making all kinds of changes to your drivetrain you may be a candidate for a Crawler box. These king o boxes give you an additional low range than can be combined with your existing low range for ultra low gearing for crawling over obstacles.

    • Advance Adapters TJ Rubicrawler

    • Advance Adapters Atlas Control Module

      • Fits 2007 to 2016 JK Wrangler, Rubicon and Unlimited
      • 2 and 4-door models
      • Works with Atlas 2-speed transfer case
      • Can be used on a 4-speed case but there is no provision to connect an additional low range switch in the planetary housing
    • Advance Adapters JK Twin Stick Shifter Knobs

      • Fits 2007 to 2014 JK Wrangler, Rubicon and Unlimited
      • Black anodized aluminum
      • Recommended for part number ADVRUBI-JKA
    • Advance Adapters Atlas Speedometer Housing Assembly

      • Fits 1982 to 1986 CJ
      • Replacement for your Dana 300 or Atlas Transfer Case
    • Advance Adapters 42RLE Rubicrawler Crawler Box

      • Installs Between Transmission And Transfer Case
      • Provides Additional 2.72 Low Range
      • Includes Twin Stick Shifter
      • For Use In Jeep Jk Model Only
      • Requires Use Of ADV42R800 Computer Module
      • Does Not Include Shifter Knobs
      • For Use With 42RLE Automatic Transmission And NV241 Transfer Case
    • Advance Adapters Rubicrawler Computer Module

      • Advance Adapters RubiCrawler Control Module
      • Allows Differentials and Sway Bar Controll To Function
      • Tells Vehicle Computer You Are In Low Range
    • Advance Adapters Rubicrawler Crawler Box

      • Fits 2003 to 2006 TJ and 2007 to 2011 JK Wrangler, Rubicon and Unlimited
      • 2 and 4-door models
      • Automatic transmission only
      • Installs between transmission and transfercase
      • Provides additional 2.72 low range
      • Includes twin stick Shifter
      • Requires use of ADV42R800 computer module
      • Does not include shifter knobs - part number ADV42R650
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