{"product_id":"arb-airlocker-dana60hd-4-10-dn-s-n","title":"ARB Dana 60\/60HD Selectable Air Locker -  4.10 \u0026 Down, 35 Spline","description":"\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003eThis \u003cmeta charset=\"utf-8\"\u003eARB Selectable Air Locker for Dana 60HD allows compressed air to engage the locking mechanism, instantly synchronizing both axle shafts to eliminate wheel spin and deliver maximum forward momentum.\u003c\/p\u003e\n\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003eWhen disengaged, it behaves like an open differential, preserving street drivability, steering feel, and tire life. The Air Locker remains the gold standard in traction control—from weekend trails to the brutal demands of Ultra4’s King of the Hammers.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIncludes:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eARB Dana 60\/60 HD Air Locker differential assembly\u003c\/li\u003e\n\u003cli\u003eActivation switch\u003c\/li\u003e\n\u003cli\u003eSolenoid valve\u003c\/li\u003e\n\u003cli\u003eBulkhead fitting\u003c\/li\u003e\n\u003cli\u003eNylon air line\u003c\/li\u003e\n\u003cli\u003eInstallation hardware\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/arb-compressor-twin-12v\"\u003eCompressor required\u003c\/a\u003e for operation (sold separately).\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003cdetails class=\"details\"\u003e\n\u003csummary class=\"details__header\"\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003cspan class=\"svg-wrapper icon-plus\"\u003e\u003csvg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" fill=\"none\" viewbox=\"0 0 14 14\" height=\"14\" width=\"14\"\u003e\u003cpath stroke-linecap=\"round\" stroke-width=\"var(--icon-stroke-width)\" stroke=\"currentColor\" d=\"M2.75 7H11.25\" class=\"vertical\"\u003e\u003c\/path\u003e\u003cpath stroke-linecap=\"round\" stroke-width=\"var(--icon-stroke-width)\" stroke=\"currentColor\" d=\"M7 2.75L7 11.25\" class=\"horizontal\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\u003c\/span\u003e\u003c\/summary\u003e\n\u003cdiv class=\"details-content rte\"\u003e\n\u003cul\u003e\n\u003cli\u003eAxle: Dana 60 \/ Dana 60HD (Full Float Compatible)\u003c\/li\u003e\n\u003cli\u003ePosition: Front or Rear\u003c\/li\u003e\n\u003cli\u003eSpline Count: 35-spline\u003c\/li\u003e\n\u003cli\u003eAxle Shaft Diameter: 1.50\"\u003c\/li\u003e\n\u003cli\u003eGear Ratio: 4.10 \u0026amp; Down\u003c\/li\u003e\n\u003cli\u003eMaterial: High strength steel\u003c\/li\u003e\n\u003cli\u003eColor: Silver\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 class=\"details__header\"\u003e\u003cstrong\u003eFitment\u003c\/strong\u003e\u003cspan class=\"svg-wrapper icon-plus\"\u003e\u003csvg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" fill=\"none\" viewbox=\"0 0 14 14\" height=\"14\" width=\"14\"\u003e\u003cpath stroke-linecap=\"round\" stroke-width=\"var(--icon-stroke-width)\" stroke=\"currentColor\" d=\"M2.75 7H11.25\" class=\"vertical\"\u003e\u003c\/path\u003e\u003cpath stroke-linecap=\"round\" stroke-width=\"var(--icon-stroke-width)\" stroke=\"currentColor\" d=\"M7 2.75L7 11.25\" class=\"horizontal\"\u003e\u003c\/path\u003e\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\u003eMake\u003c\/th\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003cth\u003eYear Range\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eDodge\u003c\/td\u003e\n\u003ctd\u003eRam 2500\u003c\/td\u003e\n\u003ctd\u003e1996–2003\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDodge\u003c\/td\u003e\n\u003ctd\u003eRam 3500\u003c\/td\u003e\n\u003ctd\u003e1996–2003\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFord\u003c\/td\u003e\n\u003ctd\u003eE-150\u003c\/td\u003e\n\u003ctd\u003e2008–2013\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFord\u003c\/td\u003e\n\u003ctd\u003eE-250 \/ E-250 Econoline\u003c\/td\u003e\n\u003ctd\u003e1997–2014\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFord\u003c\/td\u003e\n\u003ctd\u003eE-350 \/ E-350 Super Duty \/ Club Wagon\u003c\/td\u003e\n\u003ctd\u003e1997–2008\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFord\u003c\/td\u003e\n\u003ctd\u003eF-250\u003c\/td\u003e\n\u003ctd\u003e1996–1999\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFord\u003c\/td\u003e\n\u003ctd\u003eF-250 HD\u003c\/td\u003e\n\u003ctd\u003e1997\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFord\u003c\/td\u003e\n\u003ctd\u003eF-250 Super Duty\u003c\/td\u003e\n\u003ctd\u003e1999–2022\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFord\u003c\/td\u003e\n\u003ctd\u003eF-350\u003c\/td\u003e\n\u003ctd\u003e1996–1997\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFord\u003c\/td\u003e\n\u003ctd\u003eF-350 Super Duty\u003c\/td\u003e\n\u003ctd\u003e1999–2022\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cstrong\u003eAdditional Notes:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eReverse rotation front Dana 60 with aftermarket gears: may require RD166 or RD167\u003c\/li\u003e\n\u003cli\u003eMust verify spline count and shaft diameter prior to ordering\u003c\/li\u003e\n\u003cli\u003e\n\u003cmeta charset=\"utf-8\"\u003eThis locker is for 4.10 \u0026amp; down gear ratios.\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 class=\"details__header\"\u003e\u003cstrong\u003eTech Insight\u003c\/strong\u003e\u003cspan class=\"svg-wrapper icon-plus\"\u003e\u003csvg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" fill=\"none\" viewbox=\"0 0 14 14\" height=\"14\" width=\"14\"\u003e\u003cpath stroke-linecap=\"round\" stroke-width=\"var(--icon-stroke-width)\" stroke=\"currentColor\" d=\"M2.75 7H11.25\" class=\"vertical\"\u003e\u003c\/path\u003e\u003cpath stroke-linecap=\"round\" stroke-width=\"var(--icon-stroke-width)\" stroke=\"currentColor\" d=\"M7 2.75L7 11.25\" class=\"horizontal\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\u003c\/span\u003e\u003c\/summary\u003e\n\u003cdiv class=\"details-content rte\"\u003e\n\u003cp\u003eThe ARB Air Locker uses a pneumatically activated locking mechanism that eliminates differential gear movement when engaged. This design allows both wheels to turn together for full traction but returns to open diff behavior instantly when disengaged.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey Engineering Advantages:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eBonded Annular Seal\u003c\/li\u003e\n\u003cli\u003eSteel reinforced, elastomer bonded\u003c\/li\u003e\n\u003cli\u003eProven for 20,000+ cycles in extreme temperature conditions\u003c\/li\u003e\n\u003cli\u003eStrengthened Pinion Gear Design\u003c\/li\u003e\n\u003cli\u003eForged nickel alloy steel\u003c\/li\u003e\n\u003cli\u003eRedesigned gear-tooth geometry increases strength by up to 30%\u003c\/li\u003e\n\u003cli\u003eCross Shaft Retaining System\u003c\/li\u003e\n\u003cli\u003eOne-piece hardened retaining pins\u003c\/li\u003e\n\u003cli\u003eTapered thread junction prevents loosening under load\u003c\/li\u003e\n\u003cli\u003eCompetition Proven Air Lockers dominate top-tier off-road events like Ultra4 King of the Hammers, where racers rely on their unmatched durability and performance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003chr\u003e","brand":"ARB","offers":[{"title":"Default Title","offer_id":56165830656166,"sku":"ARBRD167","price":1399.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0693\/8394\/6406\/files\/RD167-ARB-Air-Locker-Dana-60HD35-Spline-LockingDifferential-1.jpg?v=1776798695","url":"https:\/\/wideopendesign.com\/products\/arb-airlocker-dana60hd-4-10-dn-s-n","provider":"Wide Open Design","version":"1.0","type":"link"}