{"product_id":"bds-5-5-inch-radius-arm-lift-kit-bds1681fs-ram-2500-2019-2025-gas","title":"BDS 5.5-Inch Radius Arm Lift Kit — Ram 2500 SKU: BDS1681FS | Ram 2500 2019–2025 | 4WD | Gas | 5.5\" Front \/ 4.5\" Rear | FOX 2.0 Performance Series | Coil Spring Front and Rear","description":"\u003cp dir=\"ltr\"\u003eA complete 5.5-inch radius arm suspension lift kit engineered for the 2019–2025 Ram 2500 gas 4WD. Heavy-duty tubular replacement radius arms mount in the factory location with caster adjustment and OE-style rubber bushings. Gas-specific progressive rate Pro-Ride coil springs provide the 5.5-inch front lift. A precision transfer case indexing ring and high-clearance transmission crossmember address driveline geometry at this lift height. The rear uses progressive rate Pro-Ride coil springs for a 4.5-inch rear lift, with a track bar relocation bracket, bump stop extensions, and sway bar links. FOX 2.0 Performance Series shocks front and rear. Supports up to 37-inch tires.\u003c\/p\u003e\n\u003chr\u003e\n\u003cblockquote dir=\"ltr\"\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eBefore ordering:\u003c\/strong\u003e This kit will not fit Ram 2500 models with factory air ride suspension, diesel engines, or Power Wagon configuration — confirm all three before ordering. \u003cstrong\u003eExhaust modification is required to clear the front driveshaft\u003c\/strong\u003e — the vehicle can be driven without the front driveshaft to an exhaust shop. \u003cstrong\u003eTrucks with a manual shift transfer case require Transfer Case Shifter Extension BDS122422, sold separately.\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/blockquote\u003e\n\u003cblockquote dir=\"ltr\"\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eRequired separately (conditional):\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul dir=\"ltr\"\u003e\n\u003cli\u003eBDS122422 — Transfer Case Shifter Extension, if equipped with manual shift T-case\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/blockquote\u003e\n\u003chr\u003e\n\u003ch4 dir=\"ltr\"\u003eVerified Fitment\u003c\/h4\u003e\n\u003cdiv dir=\"ltr\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth scope=\"col\"\u003eYear\u003c\/th\u003e\n\u003cth scope=\"col\"\u003eMake\u003c\/th\u003e\n\u003cth scope=\"col\"\u003eModel\u003c\/th\u003e\n\u003cth scope=\"col\"\u003eTrims\u003c\/th\u003e\n\u003cth scope=\"col\"\u003eDrive\u003c\/th\u003e\n\u003cth scope=\"col\"\u003eFuel\u003c\/th\u003e\n\u003cth scope=\"col\"\u003eNotes\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e2019\u003c\/td\u003e\n\u003ctd\u003eRam\u003c\/td\u003e\n\u003ctd\u003e2500\u003c\/td\u003e\n\u003ctd\u003eLaramie, Limited, Laramie Limited, Big Horn, Laramie Longhorn, Tradesman, Lone Star\u003c\/td\u003e\n\u003ctd\u003e4WD\u003c\/td\u003e\n\u003ctd\u003eGas\u003c\/td\u003e\n\u003ctd\u003eNo air ride; no Power Wagon\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2020\u003c\/td\u003e\n\u003ctd\u003eRam\u003c\/td\u003e\n\u003ctd\u003e2500\u003c\/td\u003e\n\u003ctd\u003eLaramie Limited, Laramie, Limited, Lone Star, Tradesman, Laramie Longhorn, Big Horn\u003c\/td\u003e\n\u003ctd\u003e4WD\u003c\/td\u003e\n\u003ctd\u003eGas\u003c\/td\u003e\n\u003ctd\u003eNo air ride; no Power Wagon\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2021\u003c\/td\u003e\n\u003ctd\u003eRam\u003c\/td\u003e\n\u003ctd\u003e2500\u003c\/td\u003e\n\u003ctd\u003eTradesman, Limited Longhorn, Lone Star, Limited, Laramie, Laramie Longhorn, Big Horn\u003c\/td\u003e\n\u003ctd\u003e4WD\u003c\/td\u003e\n\u003ctd\u003eGas\u003c\/td\u003e\n\u003ctd\u003eNo air ride; no Power Wagon\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2022\u003c\/td\u003e\n\u003ctd\u003eRam\u003c\/td\u003e\n\u003ctd\u003e2500\u003c\/td\u003e\n\u003ctd\u003eLimited Longhorn, Big Horn, Tradesman, Limited, Laramie, Lone Star\u003c\/td\u003e\n\u003ctd\u003e4WD\u003c\/td\u003e\n\u003ctd\u003eGas\u003c\/td\u003e\n\u003ctd\u003eNo air ride; no Power Wagon\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2023\u003c\/td\u003e\n\u003ctd\u003eRam\u003c\/td\u003e\n\u003ctd\u003e2500\u003c\/td\u003e\n\u003ctd\u003eBig Horn, Laramie, Limited Longhorn, Tradesman, Lone Star, Limited\u003c\/td\u003e\n\u003ctd\u003e4WD\u003c\/td\u003e\n\u003ctd\u003eGas\u003c\/td\u003e\n\u003ctd\u003eNo air ride; no Power Wagon\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2024\u003c\/td\u003e\n\u003ctd\u003eRam\u003c\/td\u003e\n\u003ctd\u003e2500\u003c\/td\u003e\n\u003ctd\u003eBig Horn, Tradesman, Limited Longhorn, Lone Star, Laramie, Limited\u003c\/td\u003e\n\u003ctd\u003e4WD\u003c\/td\u003e\n\u003ctd\u003eGas\u003c\/td\u003e\n\u003ctd\u003eNo air ride; no Power Wagon\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2025\u003c\/td\u003e\n\u003ctd\u003eRam\u003c\/td\u003e\n\u003ctd\u003e2500\u003c\/td\u003e\n\u003ctd\u003eLimited, Laramie, Tradesman, Lone Star, Limited Longhorn, Big Horn\u003c\/td\u003e\n\u003ctd\u003e4WD\u003c\/td\u003e\n\u003ctd\u003eGas\u003c\/td\u003e\n\u003ctd\u003eNo air ride; no Power Wagon\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003ch4 dir=\"ltr\"\u003eComponent Specifications\u003c\/h4\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eLift Configuration (this SKU):\u003c\/strong\u003e\u003c\/p\u003e\n\u003cdiv dir=\"ltr\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth scope=\"col\"\u003eAttribute\u003c\/th\u003e\n\u003cth scope=\"col\"\u003eSpecification\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eBDS Suspension\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSKU\u003c\/td\u003e\n\u003ctd\u003eBDS1681FS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFront lift height\u003c\/td\u003e\n\u003ctd\u003e5.5 inches\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFront lift method\u003c\/td\u003e\n\u003ctd\u003eCoil spring\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRear lift height\u003c\/td\u003e\n\u003ctd\u003e4.5 inches\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRear lift method\u003c\/td\u003e\n\u003ctd\u003eCoil spring\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShock option (this build)\u003c\/td\u003e\n\u003ctd\u003eFOX 2.0 Performance Series\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum tire clearance\u003c\/td\u003e\n\u003ctd\u003eUp to 37 inches (trimming may be required)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEstimated install time\u003c\/td\u003e\n\u003ctd\u003e8–10 hours\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDifficulty level\u003c\/td\u003e\n\u003ctd\u003eDifficult\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eHD Radius Arms:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cdiv dir=\"ltr\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth scope=\"col\"\u003eAttribute\u003c\/th\u003e\n\u003cth scope=\"col\"\u003eSpecification\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003eHigh-strength tubular steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting\u003c\/td\u003e\n\u003ctd\u003eFactory location\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCaster adjustment\u003c\/td\u003e\n\u003ctd\u003eYes — adjustable across a range of lift heights\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFrame bushing\u003c\/td\u003e\n\u003ctd\u003eOE-style rubber — smooth, quiet, service-free\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003ePro-Ride Coil Springs — Front:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cdiv dir=\"ltr\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth scope=\"col\"\u003eAttribute\u003c\/th\u003e\n\u003cth scope=\"col\"\u003eSpecification\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eType\u003c\/td\u003e\n\u003ctd\u003eFull-length, progressive rate\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eApplication\u003c\/td\u003e\n\u003ctd\u003eGas-specific\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLift provided\u003c\/td\u003e\n\u003ctd\u003e5.5 inches (front)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003ePro-Ride Coil Springs — Rear:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cdiv dir=\"ltr\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth scope=\"col\"\u003eAttribute\u003c\/th\u003e\n\u003cth scope=\"col\"\u003eSpecification\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eType\u003c\/td\u003e\n\u003ctd\u003eProgressive rate\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLift provided\u003c\/td\u003e\n\u003ctd\u003e4.5 inches (rear)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eFOX 2.0 Performance Series Shocks (front and rear):\u003c\/strong\u003e\u003c\/p\u003e\n\u003cdiv dir=\"ltr\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth scope=\"col\"\u003eAttribute\u003c\/th\u003e\n\u003cth scope=\"col\"\u003eSpecification\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eBody diameter\u003c\/td\u003e\n\u003ctd\u003e2 inches\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBody material\u003c\/td\u003e\n\u003ctd\u003eImpact extruded aluminum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDesign\u003c\/td\u003e\n\u003ctd\u003eInternal floating piston (IFP) monotube\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting ends\u003c\/td\u003e\n\u003ctd\u003eCNC machined 6061-T6 aluminum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShaft\u003c\/td\u003e\n\u003ctd\u003e5\/8-inch hard chrome plated heat-treated alloy steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePiston\u003c\/td\u003e\n\u003ctd\u003eRace-developed high-flow design\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eValving\u003c\/td\u003e\n\u003ctd\u003eApplication-specific\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFinish\u003c\/td\u003e\n\u003ctd\u003eClear anodized\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eRecommended Tire and Wheel Configurations (trimming may be required):\u003c\/strong\u003e\u003c\/p\u003e\n\u003cdiv dir=\"ltr\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth scope=\"col\"\u003eTire Size\u003c\/th\u003e\n\u003cth scope=\"col\"\u003eWheel\u003c\/th\u003e\n\u003cth scope=\"col\"\u003eBackspace\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e37 x 12.50\u003c\/td\u003e\n\u003ctd\u003e20 x 9\u003c\/td\u003e\n\u003ctd\u003e4.5 inches\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e37 x 13.50\u003c\/td\u003e\n\u003ctd\u003e18 x 9\u003c\/td\u003e\n\u003ctd\u003e5.625 inches\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003ch4 dir=\"ltr\"\u003eWhat Is and Is NOT Included\u003c\/h4\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eIncluded — Front:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul dir=\"ltr\"\u003e\n\u003cli\u003eGas-specific progressive rate Pro-Ride coil springs (pair)\u003c\/li\u003e\n\u003cli\u003eHD tubular radius arms (pair)\u003c\/li\u003e\n\u003cli\u003eForged drop pitman arm\u003c\/li\u003e\n\u003cli\u003eTrack bar relocation bracket\u003c\/li\u003e\n\u003cli\u003eSway bar relocation hardware\u003c\/li\u003e\n\u003cli\u003eBrake line brackets\u003c\/li\u003e\n\u003cli\u003eTransfer case indexing ring\u003c\/li\u003e\n\u003cli\u003eHigh-clearance transmission crossmember\u003c\/li\u003e\n\u003cli\u003eFOX 2.0 Performance Series front shocks\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eIncluded — Rear:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul dir=\"ltr\"\u003e\n\u003cli\u003eProgressive rate Pro-Ride coil springs (pair)\u003c\/li\u003e\n\u003cli\u003eTrack bar relocation bracket\u003c\/li\u003e\n\u003cli\u003eBump stop extensions\u003c\/li\u003e\n\u003cli\u003eSway bar links\u003c\/li\u003e\n\u003cli\u003eFOX 2.0 Performance Series rear shocks\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eNot included (conditional — may be required):\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul dir=\"ltr\"\u003e\n\u003cli\u003eBDS122422 — Transfer Case Shifter Extension (required for manual shift T-case)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eThis kit will not fit:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul dir=\"ltr\"\u003e\n\u003cli\u003eRam 2500 with factory air ride suspension\u003c\/li\u003e\n\u003cli\u003eRam 2500 diesel engine\u003c\/li\u003e\n\u003cli\u003eRam 2500 Power Wagon\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4 dir=\"ltr\"\u003eCritical Compatibility\u003c\/h4\u003e\n\u003cul dir=\"ltr\"\u003e\n\u003cli\u003e\n\u003cstrong\u003eAir ride:\u003c\/strong\u003e This kit will not fit Ram 2500 models equipped with factory air ride suspension. Confirm your suspension type before ordering.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGas engine only:\u003c\/strong\u003e Gas-specific Pro-Ride coil springs are included. Diesel Ram 2500 is not supported — see BDS1660FS for the diesel radius arm kit.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower Wagon:\u003c\/strong\u003e This kit will not fit Power Wagon models.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExhaust modification required:\u003c\/strong\u003e Exhaust modification is required to clear the front driveshaft. The vehicle can be driven without the front driveshaft to an exhaust shop.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManual shift T-case:\u003c\/strong\u003e Trucks equipped with a manual shift transfer case require BDS122422 (Transfer Case Shifter Extension), sold separately.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCoil spring front and rear:\u003c\/strong\u003e Both the front (5.5-inch) and rear (4.5-inch) use progressive rate Pro-Ride coil springs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eT-case indexing ring and crossmember included:\u003c\/strong\u003e At 5.5 inches of front lift, driveline geometry requires the transfer case to be indexed and the crossmember replaced. Both are included.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDifficulty rated Difficult:\u003c\/strong\u003e This kit is rated Difficult — one level above the 4-inch BDS1699FS (Moderate). Confirm installer experience before scheduling.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eADAS recalibration:\u003c\/strong\u003e Required after installation. All recalibration costs are the owner's responsibility.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4 dir=\"ltr\"\u003eInstallation Notes\u003c\/h4\u003e\n\u003cp dir=\"ltr\"\u003eProfessional installation is strongly recommended. This kit is rated Difficult with an estimated installation time of 8–10 hours. Refer to the current BDS Suspension installation instructions for SKU BDS1681FS for complete tool requirements, procedures, and torque specifications.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eExhaust modification:\u003c\/strong\u003e Required before front driveshaft reinstallation. The Ram 2500 can be driven without the front driveshaft to an exhaust shop.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eVerify before beginning:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul dir=\"ltr\"\u003e\n\u003cli\u003eConfirm truck does not have factory air ride suspension\u003c\/li\u003e\n\u003cli\u003eConfirm gas engine\u003c\/li\u003e\n\u003cli\u003eConfirm truck is not a Power Wagon\u003c\/li\u003e\n\u003cli\u003eTransfer case type — manual shift requires BDS122422\u003c\/li\u003e\n\u003cli\u003eExhaust modification plan in place\u003c\/li\u003e\n\u003cli\u003eADAS recalibration appointment scheduled\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp dir=\"ltr\"\u003eProfessional alignment is required after installation.\u003c\/p\u003e\n\u003ch4 dir=\"ltr\"\u003eThe Obsidian Take\u003c\/h4\u003e\n\u003cp dir=\"ltr\"\u003eThe BDS1681FS is the step up from BDS1699FS on the same 2019–2025 gas Ram 2500 platform — 5.5 inches of front lift and 4.5 inches of rear lift versus the 4-inch\/2.5-inch BDS1699FS, with the same HD tubular radius arms, same coil spring front and rear approach, and same FOX 2.0 shocks. The difficulty rating moves to Difficult. The same three exclusions apply: no air ride, no diesel, no Power Wagon. The manual T-case check is a requirement at this lift height — if your truck has a manual shift T-case, source BDS122422 before installation day. The exhaust modification carries over from BDS1699FS. If 5.5 inches of front lift and 4.5 inches of rear lift is more than the build needs, BDS1699FS covers the same platform at 4 inches front \/ 2.5 inches rear at Moderate difficulty.\u003c\/p\u003e\n\u003ch4 dir=\"ltr\"\u003eThis Product Is For You If\u003c\/h4\u003e\n\u003cul dir=\"ltr\"\u003e\n\u003cli\u003eYou own a 2019–2025 Ram 2500 gas 4WD in a verified trim without factory air ride and not a Power Wagon.\u003c\/li\u003e\n\u003cli\u003eYou want 5.5 inches of front lift and 4.5 inches of rear lift on coil springs via HD radius arms.\u003c\/li\u003e\n\u003cli\u003eYou want FOX 2.0 Performance Series shocks with application-specific valving.\u003c\/li\u003e\n\u003cli\u003eYou want 37-inch tire clearance.\u003c\/li\u003e\n\u003cli\u003eYou are prepared to complete the required exhaust modification.\u003c\/li\u003e\n\u003cli\u003eYou have confirmed your transfer case type (manual T-case requires BDS122422).\u003c\/li\u003e\n\u003cli\u003eYour installer is experienced with Difficult-rated installations.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4 dir=\"ltr\"\u003eThis Product Is Not For You If\u003c\/h4\u003e\n\u003cul dir=\"ltr\"\u003e\n\u003cli\u003eYour Ram 2500 has factory air ride suspension.\u003c\/li\u003e\n\u003cli\u003eYour Ram 2500 has a diesel engine — see BDS1660FS.\u003c\/li\u003e\n\u003cli\u003eYour Ram 2500 is a Power Wagon.\u003c\/li\u003e\n\u003cli\u003eYou are not prepared to complete the required exhaust modification.\u003c\/li\u003e\n\u003cli\u003eYou have a manual shift T-case and have not sourced BDS122422.\u003c\/li\u003e\n\u003cli\u003eYou want the 4-inch\/2.5-inch configuration at Moderate difficulty — see BDS1699FS.\u003c\/li\u003e\n\u003cli\u003eYou want NX2 Nitro Series shocks — see the NX2 variant.\u003c\/li\u003e\n\u003cli\u003eYou want FOX 2.5 Performance Elite Series shocks — see the FOX 2.5 variant.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4 dir=\"ltr\"\u003eProduct Family Reference\u003c\/h4\u003e\n\u003cdiv dir=\"ltr\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth scope=\"col\"\u003eSKU\u003c\/th\u003e\n\u003cth scope=\"col\"\u003eFront Lift\u003c\/th\u003e\n\u003cth scope=\"col\"\u003eRear Lift\u003c\/th\u003e\n\u003cth scope=\"col\"\u003eDifficulty\u003c\/th\u003e\n\u003cth scope=\"col\"\u003eShock\u003c\/th\u003e\n\u003cth scope=\"col\"\u003eNotes\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eBDS1699FS\u003c\/td\u003e\n\u003ctd\u003e4 inches\u003c\/td\u003e\n\u003ctd\u003e2.5 inches\u003c\/td\u003e\n\u003ctd\u003eModerate\u003c\/td\u003e\n\u003ctd\u003eFOX 2.0\u003c\/td\u003e\n\u003ctd\u003eGas Ram 2500 2019–2025\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBDS1681FS (this product)\u003c\/td\u003e\n\u003ctd\u003e5.5 inches\u003c\/td\u003e\n\u003ctd\u003e4.5 inches\u003c\/td\u003e\n\u003ctd\u003eDifficult\u003c\/td\u003e\n\u003ctd\u003eFOX 2.0\u003c\/td\u003e\n\u003ctd\u003eGas Ram 2500 2019–2025\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBDS1660FS\u003c\/td\u003e\n\u003ctd\u003e4 inches\u003c\/td\u003e\n\u003ctd\u003e2.5 inches\u003c\/td\u003e\n\u003ctd\u003eModerate\u003c\/td\u003e\n\u003ctd\u003eFOX 2.0\u003c\/td\u003e\n\u003ctd\u003eDiesel Ram 2500 2019–2024\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNX2 5.5-inch variant\u003c\/td\u003e\n\u003ctd\u003e5.5 inches\u003c\/td\u003e\n\u003ctd\u003e4.5 inches\u003c\/td\u003e\n\u003ctd\u003eDifficult\u003c\/td\u003e\n\u003ctd\u003eNX2 Nitro\u003c\/td\u003e\n\u003ctd\u003eGas Ram 2500 2019–2025 — confirm PN\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFOX 2.5 5.5-inch variant\u003c\/td\u003e\n\u003ctd\u003e5.5 inches\u003c\/td\u003e\n\u003ctd\u003e4.5 inches\u003c\/td\u003e\n\u003ctd\u003eDifficult\u003c\/td\u003e\n\u003ctd\u003eFOX 2.5 Elite\u003c\/td\u003e\n\u003ctd\u003eGas Ram 2500 2019–2025 — confirm PN\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003ch4 dir=\"ltr\"\u003eCommon Questions\u003c\/h4\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eWhat is the difference between BDS1681FS and BDS1699FS?\u003c\/strong\u003e\u003cbr\u003eLift height and difficulty. BDS1681FS delivers 5.5 inches of front lift and 4.5 inches of rear lift and is rated Difficult. BDS1699FS delivers 4 inches of front lift and 2.5 inches of rear lift and is rated Moderate. Both fit the same 2019–2025 Ram 2500 gas 4WD platform and share the same exclusions.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eDoes this kit fit Ram 2500 trucks with factory air ride?\u003c\/strong\u003e\u003cbr\u003eNo. This kit will not fit models equipped with the factory air ride suspension package.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eDoes this kit fit the diesel Ram 2500?\u003c\/strong\u003e\u003cbr\u003eNo. Gas-specific Pro-Ride coil springs are included. For diesel, see BDS1660FS.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eDoes this kit fit the Power Wagon?\u003c\/strong\u003e\u003cbr\u003eNo. Power Wagon models are not compatible with this kit.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eMy truck has a manual shift transfer case — what do I need?\u003c\/strong\u003e\u003cbr\u003eBDS122422 (Transfer Case Shifter Extension) is required. It is sold separately and not included in this kit.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eWhy is an exhaust modification required?\u003c\/strong\u003e\u003cbr\u003eAt 5.5 inches of lift, the front driveshaft angle requires exhaust clearance the factory exhaust does not provide. The vehicle can be driven without the front driveshaft to an exhaust shop for modification.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eDoes ADAS need to be recalibrated after installation?\u003c\/strong\u003e\u003cbr\u003eYes. All ADAS sensors require professional recalibration. All recalibration costs are the owner's responsibility.\u003c\/p\u003e\n\u003ch4 dir=\"ltr\"\u003eManufacturer Data Disclaimer\u003c\/h4\u003e\n\u003cp dir=\"ltr\"\u003eFitment, specification, included-component, and installation data for this kit are sourced from BDS Suspension manufacturer documentation and OFAS-verified product data current as of publication. Manufacturer specifications and included components are subject to change without notice; confirm current documentation for this SKU at the time of purchase.\u003c\/p\u003e\n\u003ch4 dir=\"ltr\"\u003eRequired Legal, Warning, Fitment, and Return Notices\u003c\/h4\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eFitment Notice:\u003c\/strong\u003e This kit will not fit Ram 2500 models with factory air ride suspension, diesel engines, or Power Wagon configuration.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eExhaust Modification Warning:\u003c\/strong\u003e Exhaust modification is required to clear the front driveshaft. This must be completed as part of the installation process. The vehicle can be driven without the front driveshaft to an exhaust shop.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eManual T-Case Notice:\u003c\/strong\u003e Trucks equipped with a manual shift transfer case require BDS122422 (Transfer Case Shifter Extension), sold separately.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eADAS Recalibration Warning:\u003c\/strong\u003e This kit alters vehicle ride height and suspension geometry. All advanced driver assistance system (ADAS) sensors require professional recalibration after installation. Schedule recalibration at an authorized dealer or certified ADAS service center. All recalibration costs are the owner's responsibility.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eInstallation Warning:\u003c\/strong\u003e Professional installation is strongly recommended. This kit is rated Difficult. A professional wheel alignment is required after installation.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eTire Fitment Notice:\u003c\/strong\u003e BDS references configurations up to 37 x 13.50-inch tires. Trimming may be required. Buyer is responsible for verifying tire and wheel clearance for their specific vehicle and build.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eCalifornia Proposition 65 Warning:\u003c\/strong\u003e This product can expose you to chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to \u003ca href=\"http:\/\/www.P65Warnings.ca.gov\"\u003ewww.P65Warnings.ca.gov\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eReturn Policy:\u003c\/strong\u003e All returns require prior authorization from Obsidian Forged Auto Supply — do not ship any product back without a Return Merchandise Authorization (RMA). To request an RMA, contact OFAS at \u003ca href=\"mailto:Support@obsidianforgedautosupply.com\"\u003eSupport@obsidianforgedautosupply.com\u003c\/a\u003e or 469-407-7538 (Monday–Friday 9am–5pm CST, Saturday 9am–3pm CST) with your order number, product SKU, return reason, and photos. Return requests must be submitted within 90 days of delivery. To qualify, the product must be new, unused, uninstalled, complete with all hardware and included components, and in original manufacturer packaging. Do not write on, tape to, or place shipping labels directly on the manufacturer's product box. Return shipping is the customer's responsibility in all cases. Non-defective returns may be subject to a 15% restocking fee. No restocking fee applies when OFAS shipped the wrong item or the return is due to a verified defect or approved damage claim. Some products — including special-order, electrical, and installed items — may be non-returnable. Return eligibility is also subject to applicable manufacturer and supplier return requirements. Approved refunds are issued to the original payment method within approximately 10 business days of the warehouse receiving and processing the returned product. For damaged, missing, or incorrect shipments, contact OFAS within 48 hours of delivery, retain all packaging, and do not install the product.\u003c\/p\u003e","brand":"BDS Suspension","offers":[{"title":"Default Title","offer_id":51395821076801,"sku":"BDS1681FS","price":2957.55,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0974\/1284\/1793\/files\/BDS1681FS.jpg?v=1771166422","url":"https:\/\/obsidianforgedautosupply.com\/products\/bds-5-5-inch-radius-arm-lift-kit-bds1681fs-ram-2500-2019-2025-gas","provider":"Obsidian Forged Auto Supply","version":"1.0","type":"link"}