{"product_id":"pro-built-4x4-rear-differential","title":"Traxxas Pro-Built 4X4 Rear Differential","description":"The Pro-Built® 4X4 rear differential comes professionally assembled for easy drop-in replacement. The sealed assembly comes pre-filled with 30k-weight silicone oil with steel gears to withstand Velineon® brushless horsepower. Pro-Built differentials are direct replacements for VXL 4X4 models (see full list below). Includes 13-tooth pinion gear and 37-tooth ring gear. (Pro-Built differentials are not directly compatible with Titan®-powered 4X4 models)","brand":"Traxxas","offers":[{"title":"TRA6789","offer_id":67765051949226,"sku":"020334678904","price":34.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0770\/9324\/1002\/files\/5fc03b9a-65f8-4302-9dee-7f94a987cb4e_6789-01-view.jpg?v=1793142229","url":"https:\/\/shop.fastandfuntoyandhobby.com\/products\/pro-built-4x4-rear-differential","provider":"Fast and Fun Toy and Hobby","version":"1.0","type":"link"}