{"product_id":"atlas-ii-3-8-transfer-case-g2-pro-series-left-drop-wod-spec-configuration","title":"Atlas II 3.8 Transfer Case – G2 Pro Series Left Drop (WOD Spec Configuration)","description":"\u003cp\u003eThe \u003cstrong\u003eAtlas II G2 Pro Series Transfer Case configured to Wide Open Design specifications\u003c\/strong\u003e is a heavy-duty, gear-driven transfer case package selected for high-horsepower off-road, rock bouncing, competition, and extreme 4x4 applications. With a 3.8:1 low-range ratio, the Atlas II provides deeper torque multiplication and greater low-speed control while retaining a direct 1:1 high range for faster terrain and mixed off-road use.\u003c\/p\u003e\n\u003cp\u003eThe G2 Pro Series builds on the proven Atlas II two-speed platform with upgraded internal and output components intended for higher drivetrain loads and more aggressive use. This WOD-spec G2 Pro Series configuration is designed for builders who need greater strength than the Trail Series while also wanting the deeper 3.8:1 low-range ratio for technical rock crawling, steep climbs, controlled descents, and competition terrain.\u003c\/p\u003e\n\u003cp\u003eFor recreational trail riding, mixed-use vehicles, and builds that do not require the additional G2 Pro Series upgrades, see our \u003ca href=\"\/products\/atlas-ii-3-8-transfer-case-trail-series-left-drop-wod-spec-configuration\"\u003eWOD-spec Atlas 3.8 Trail Series transfer case\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWOD Spec Configuration:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eAtlas II G2 Pro Series 2-Speed Transfer Case\u003c\/li\u003e\n\u003cli\u003e3.8:1 Low-Range Gear Ratio\u003c\/li\u003e\n\u003cli\u003e\n\u003cmeta charset=\"utf-8\"\u003eUpgraded 1.5\" Idler Pin Assembly\u003c\/li\u003e\n\u003cli\u003eHeavy-Duty 32-Spline GM Input Gear\u003c\/li\u003e\n\u003cli\u003eDriver-Side \/ Left-Drop Configuration\u003c\/li\u003e\n\u003cli\u003eShort 300M Output Configuration\u003cmeta charset=\"utf-8\"\u003e\n\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e1410 Front \u0026amp; Rear U-Bolt Style Yokes\u003c\/li\u003e\n\u003cli\u003eHeavy-Duty 5.5\" Left\/Right Atlas Shifter \u0026amp; Linkage\u003c\/li\u003e\n\u003cli\u003eAtlas 75W-90 GL4 Oil \u0026amp; Stud Kit\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eHave ordering questions?\u003c\/strong\u003e \u003ca title=\"Call Us: 615-962-9135\" href=\"tel:615-962-9135\"\u003e\u003cstrong\u003eCall us\u003c\/strong\u003e\u003c\/a\u003e and our team will be happy to help confirm fitment or place a custom order.\u003c\/p\u003e\n\u003chr\u003e\n\u003cdetails class=\"details\"\u003e\n\u003csummary\u003e\u003cstrong\u003eSpecifications \u003c\/strong\u003e\u003cspan class=\"svg-wrapper icon-plus\"\u003e\u003csvg width=\"14\" height=\"14\" viewbox=\"0 0 14 14\" fill=\"none\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"\u003e\n\u003cpath class=\"vertical\" d=\"M2.75 7H11.25\" stroke=\"currentColor\" stroke-width=\"var(--icon-stroke-width)\" stroke-linecap=\"round\"\u003e\u003c\/path\u003e\n\u003cpath class=\"horizontal\" d=\"M7 2.75L7 11.25\" stroke=\"currentColor\" stroke-width=\"var(--icon-stroke-width)\" stroke-linecap=\"round\"\u003e\u003c\/path\u003e\n\u003c\/svg\u003e\u003c\/span\u003e\u003c\/summary\u003e\n\u003cdiv class=\"details-content rte\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eTransfer Case\u003c\/td\u003e\n\u003ctd\u003eAtlas II G2 Pro Series\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWOD Configuration\u003c\/td\u003e\n\u003ctd\u003eCompetition \/ Racing Off-Road\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eType\u003c\/td\u003e\n\u003ctd\u003e2-Speed Gear Driven\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHigh Range\u003c\/td\u003e\n\u003ctd\u003e1:1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLow Range\u003c\/td\u003e\n\u003ctd\u003e3.8:1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput\u003c\/td\u003e\n\u003ctd\u003eHeavy-Duty 32-Spline\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFront Output\u003c\/td\u003e\n\u003ctd\u003eLeft Drop\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTailhousing\u003c\/td\u003e\n\u003ctd\u003eHeavy-Duty Short Output Configuration\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDriveline\u003c\/td\u003e\n\u003ctd\u003e1410 Front \u0026amp; Rear U-Bolt Style\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShifter\u003c\/td\u003e\n\u003ctd\u003eHeavy-Duty Atlas Shift Assembly\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInstallation Package\u003c\/td\u003e\n\u003ctd\u003eRequired Hardware \u0026amp; Gear Oil Included\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIntended Use\u003c\/td\u003e\n\u003ctd\u003eRock Bouncing, Racing, High-Horsepower \u0026amp; Extreme Off-Road\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003chr\u003e\n\u003cdetails class=\"details\"\u003e\n\u003csummary\u003e\u003cstrong\u003eFitment \u003c\/strong\u003e\u003cspan class=\"svg-wrapper icon-plus\"\u003e\u003csvg width=\"14\" height=\"14\" viewbox=\"0 0 14 14\" fill=\"none\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"\u003e\n\u003cpath class=\"vertical\" d=\"M2.75 7H11.25\" stroke=\"currentColor\" stroke-width=\"var(--icon-stroke-width)\" stroke-linecap=\"round\"\u003e\u003c\/path\u003e\n\u003cpath class=\"horizontal\" d=\"M7 2.75L7 11.25\" stroke=\"currentColor\" stroke-width=\"var(--icon-stroke-width)\" stroke-linecap=\"round\"\u003e\u003c\/path\u003e\n\u003c\/svg\u003e\u003c\/span\u003e\u003c\/summary\u003e\n\u003cdiv class=\"details-content rte\"\u003e\n\u003cp\u003e\u003cstrong\u003eDesigned for custom 4WD applications requiring:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eHeavy-Duty 32-Spline GM Transmission Input\u003c\/li\u003e\n\u003cli\u003eDriver-Side \/ Left-Drop Front Driveshaft\u003c\/li\u003e\n\u003cli\u003e3.8:1 Low-Range Ratio\u003c\/li\u003e\n\u003cli\u003e1410 Front and Rear Driveshaft Yokes\u003c\/li\u003e\n\u003cli\u003eUpgraded G2 Pro Series Drivetrain Components\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCommon Applications:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eRock Bouncers\u003c\/li\u003e\n\u003cli\u003eUltra4 and Off-Road Race Vehicles\u003c\/li\u003e\n\u003cli\u003eHigh-Horsepower Rock Crawlers\u003c\/li\u003e\n\u003cli\u003eCompetition Tube Chassis Vehicles\u003c\/li\u003e\n\u003cli\u003eLarge-Tire Off-Road Builds\u003c\/li\u003e\n\u003cli\u003eExtreme-Duty Custom 4x4s\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eFitment Notes:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eThis configuration uses a heavy-duty 32-spline GM input.\u003c\/li\u003e\n\u003cli\u003eFront output is left drop \/ driver side.\u003c\/li\u003e\n\u003cli\u003eShort output configuration \u003cstrong\u003edoes not\u003c\/strong\u003e provide a speedometer provision.\u003c\/li\u003e\n\u003cli\u003eFront and rear outputs are configured with 1410 U-bolt-style yokes.\u003c\/li\u003e\n\u003cli\u003eVerify transmission output spline, adapter requirements, transfer-case drop, driveshaft configuration, and available chassis clearance before ordering.\u003c\/li\u003e\n\u003cli\u003eCustom drivetrain installations may require additional adapters, crossmembers, driveshaft modifications, or related installation components.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003chr\u003e\n\u003cdetails class=\"details\"\u003e\n\u003csummary\u003e\u003cstrong\u003eTech Insight \u003c\/strong\u003e\u003cspan class=\"svg-wrapper icon-plus\"\u003e\u003csvg width=\"14\" height=\"14\" viewbox=\"0 0 14 14\" fill=\"none\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"\u003e\n\u003cpath class=\"vertical\" d=\"M2.75 7H11.25\" stroke=\"currentColor\" stroke-width=\"var(--icon-stroke-width)\" stroke-linecap=\"round\"\u003e\u003c\/path\u003e\n\u003cpath class=\"horizontal\" d=\"M7 2.75L7 11.25\" stroke=\"currentColor\" stroke-width=\"var(--icon-stroke-width)\" stroke-linecap=\"round\"\u003e\u003c\/path\u003e\n\u003c\/svg\u003e\u003c\/span\u003e\u003c\/summary\u003e\n\u003cdiv class=\"details-content rte\"\u003e\n\u003ch3\u003eWhat is the difference between the Atlas Trail Series and G2 Pro Series?\u003c\/h3\u003e\n\u003cp\u003eThe Atlas Trail Series is intended for recreational off-road and mixed-use vehicles, while the G2 Pro Series uses upgraded heavy-duty components for racing, high-horsepower, and extreme-duty applications. The Pro Series is the better choice when drivetrain shock loads, tire size, horsepower, and competition use place greater demands on the transfer case.\u003c\/p\u003e\n\u003ch3\u003eWhy choose the 3.8:1 G2 Pro instead of the 3.0:1 ratio?\u003c\/h3\u003e\n\u003cp\u003eA 3.8:1 low range provides deeper reduction, greater torque multiplication, and slower low-range vehicle speed than the 3.0:1 version. It is better suited for technical rock crawling, steep climbs, controlled descents, and applications where precise low-speed control is a priority. Transmission gearing, axle ratio, tire diameter, horsepower, and intended terrain should all be considered when selecting between the two.\u003c\/p\u003e\n\u003ch3\u003eWhy choose the G2 Pro Series for a high-horsepower build?\u003c\/h3\u003e\n\u003cp\u003eHigh-horsepower vehicles, large tires, and aggressive terrain create substantial shock loads throughout the drivetrain. The G2 Pro Series is configured around upgraded components intended to better support those loads and provide additional durability in competition and extreme-duty applications.\u003c\/p\u003e\n\u003ch3\u003eWhat is the advantage of a gear-driven transfer case?\u003c\/h3\u003e\n\u003cp\u003eA gear-driven transfer case eliminates the drive chain found in many factory transfer cases. The Atlas uses heavy-duty gearing and a rigid case design to provide high torque capacity, consistent power transfer, and durability under demanding off-road use.\u003c\/p\u003e\n\u003ch3\u003eWhat does the Atlas II 2-speed provide?\u003c\/h3\u003e\n\u003cp\u003eThe Atlas II provides a direct 1:1 high range and a dedicated low range. This 3.8:1 version provides deeper drivetrain reduction in low range, giving the driver greater torque multiplication and control when the terrain becomes technical.\u003c\/p\u003e\n\u003ch3\u003eWhat maintenance does an Atlas transfer case require?\u003c\/h3\u003e\n\u003cp\u003eChange the gear oil after the initial 500 miles and then approximately every 10,000–15,000 miles. Use the manufacturer-recommended GL-4 synthetic gear oil and inspect fluid condition, yokes, fasteners, and related drivetrain components regularly. Yoke bolts should also be checked and retorqued at the recommended service intervals.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003chr\u003e","brand":"Advance Adapters","offers":[{"title":"Default Title","offer_id":56942866071718,"sku":"ATLAS38RC","price":3624.54,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0693\/8394\/6406\/files\/Atlas38RC-WOD-1_ab37c74c-1403-4f0c-9d3e-1966c70feff1.jpg?v=1786482126","url":"https:\/\/wideopendesign.com\/products\/atlas-ii-3-8-transfer-case-g2-pro-series-left-drop-wod-spec-configuration","provider":"Wide Open Design","version":"1.0","type":"link"}