{"product_id":"advance-adapters-rubicrawler-jeep-tj-with-stock-np231-or-np241or-transfer-case-2-72-1-doubler","title":"Advance Adapters RubiCrawler Jeep TJ with Stock NP231 or NP241OR Transfer Case — 2.72:1 Doubler","description":"\u003cp class=\"font-claude-response-body break-words whitespace-normal\" dir=\"ltr\"\u003eThe Advance Adapters RubiCrawler for Jeep TJ Wrangler with stock NP231 or NP241OR transfer case is a true bolt-in gear doubler that replaces the stock 42RLE automatic overdrive tailhousing with a 6-gear planetary reduction box featuring a 2.72:1 low range. It couples directly to the factory NP231 or NP241OR transfer case that came with the vehicle — no aftermarket transfer case required.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\" dir=\"ltr\"\u003eThe RubiCrawler multiplies your available gear ratios for maximum crawl control. Choosing the right gear for the terrain gives you far more control over your vehicle, making extreme off-road environments safer and more manageable.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\" dir=\"ltr\"\u003eThis TJ kit includes the integrated stock transfer case shifter kit (42R-T), specifically designed for the Jeep TJ Wrangler with NP231 or NP241OR transfer cases.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\" dir=\"ltr\"\u003eKit includes: RubiCrawler 2.72:1 Unit and RubiCrawler Shifter for TJ with NP231\/NP241OR (42R-T).\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\" dir=\"ltr\"\u003eNote — the RubiCrawler Control Module (42R800) is not included in this kit. If your application requires the electronic interface, it is available separately.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\" dir=\"ltr\"\u003eFits Jeep TJ Wrangler with stock NP231 or NP241OR transfer case and 42RLE automatic overdrive transmission. Also compatible with aftermarket transfer cases including the Advance Adapters Atlas Transfer Case — see RUBI-JKAD for JK applications with heavy duty transfer case cable.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\" dir=\"ltr\"\u003eTaxes and shipping calculated separately at checkout.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\" dir=\"ltr\"\u003eSKU: RUBI-TJ | Built in USA — Advance Adapters, Paso Robles, CA | Skinny Pedal Racing is an Authorized Advance Adapters Dealer\u003c\/p\u003e","brand":"Advance Adapters","offers":[{"title":"Default Title","offer_id":44666196885570,"sku":"RUBI-TJ","price":1980.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1476\/5984\/files\/AdvanceAdaptersRubiCrawlerJeepTJStockNP231NP241ORTransferCase2.721DoublerRUBI-TJ.png?v=1785617168","url":"https:\/\/www.skinnypedalracing.com\/products\/advance-adapters-rubicrawler-jeep-tj-with-stock-np231-or-np241or-transfer-case-2-72-1-doubler","provider":"Skinny Pedal Racing","version":"1.0","type":"link"}