{"product_id":"2024-polaris-xpedition-4-portal-gear-lift-superatv","title":"2024+ Polaris Xpedition 4\" Portal Gear Lift | SuperATV","description":"\u003cp\u003e\u003cstrong\u003eThe Polaris Xpedition rides better on 33-inch tires, but stock gearing and clearance hold it back—SuperATV's 4\" GDP Portal Gear Lift fixes both at once.\u003c\/strong\u003e This drivetrain upgrade drops your hubs to deliver a true 4-inch lift while adding a built-in 15% or 30% gear reduction, giving your Xpedition the ground clearance, torque, and tire room overlanders need without changing OEM suspension angles.\u003c\/p\u003e\u003cp\u003ePortals put the gear reduction at the very end of the driveline, so your axles, differential, prop shafts, and transmission all work less and last longer. Choose cast or billet 6061 aluminum housings and single or dual idler gears to match how hard you ride.\u003c\/p\u003e\u003chr\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eTrue 4-inch lift with room for up to 33-inch tires\u003c\/li\u003e\n\u003cli\u003eChoice of 15% or 30% gear reduction to boost torque\u003c\/li\u003e\n\u003cli\u003eMaintains OEM suspension angles\u003c\/li\u003e\n\u003cli\u003eCast or billet 6061 aluminum housings with advanced steel backing plates\u003c\/li\u003e\n\u003cli\u003eSingle or dual idler gear configuration for added strength\u003c\/li\u003e\n\u003cli\u003ePrecision-ground 9310 alloy steel gears; 1.5\" 4340 hardened steel drive shaft\u003c\/li\u003e\n\u003cli\u003eUniversal hub fits all major bolt patterns\u003c\/li\u003e\n\u003cli\u003eSealed input gear and double-lipped output seals for leak-free running\u003c\/li\u003e\n\u003c\/ul\u003e\u003chr\u003e\u003ch2\u003eBuilt To Solve: Weak Clearance And Bogged-Down Gearing On The Polaris Xpedition\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eNot enough clearance to clear rocks, ruts, and trail obstacles\u003c\/li\u003e\n\u003cli\u003eBig tires and heavy overlanding cargo bogging down acceleration\u003c\/li\u003e\n\u003cli\u003eExcess strain on stock axles, diff, and transmission from oversized tires\u003c\/li\u003e\n\u003cli\u003eWanting more capability without wrecking factory suspension geometry\u003c\/li\u003e\n\u003c\/ul\u003e\u003chr\u003e\u003ch2\u003eBest For: Polaris Xpedition Overlanders And Trail Riders Running Bigger Tires\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eOverland and adventure owners adding ground clearance and tire size\u003c\/li\u003e\n\u003cli\u003eRiders stepping up to 33-inch tires who want their torque back\u003c\/li\u003e\n\u003cli\u003eDrivers who want a 15% reduction for top speed or 30% for max grunt\u003c\/li\u003e\n\u003cli\u003eOwners wanting billet housings and dual idlers for the toughest use\u003c\/li\u003e\n\u003c\/ul\u003e\u003chr\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eLift height: 4 inches\u003c\/li\u003e\n\u003cli\u003eGear reduction options: 15% or 30%\u003c\/li\u003e\n\u003cli\u003eIdler options: single idler or dual idler gears\u003c\/li\u003e\n\u003cli\u003eHousing material options: cast or billet 6061 aluminum\u003c\/li\u003e\n\u003cli\u003eFrame stiffener option: available (recommended add-on)\u003c\/li\u003e\n\u003cli\u003eMax tire size: 33 inches on stock suspension\u003c\/li\u003e\n\u003cli\u003eDual idler adds 3\/4\" front and rear offset (1.5\" total extension)\u003c\/li\u003e\n\u003cli\u003eGears: precision-ground 9310 alloy steel; 1.5\" diameter 4340 hardened steel drive shaft\u003c\/li\u003e\n\u003cli\u003eWheel requirements: 14\" or larger wheel; max 5\" backspacing; not compatible with dual beadlock wheels\u003c\/li\u003e\n\u003cli\u003eIncludes assembled portal hub boxes, universal hubs, slotted rotors, backing plates, caliper mounting plates and adapters, steel steering arms, extended brake lines with parking brake, and all hardware\u003c\/li\u003e\n\u003c\/ul\u003e\u003chr\u003e\u003ch2\u003eFitment\u003c\/h2\u003e\u003cp\u003eConfirmed fit for 2024 and newer Polaris Xpedition models, including XP, XP5, ADV, and ADV5 packages (NorthStar, Premium, and Ultimate trims). A 14-inch or larger wheel is required with no more than 5-inch backspacing, and dual beadlock wheels are not compatible. Fitment is not guaranteed on applications not listed here—verify your exact year, model, and wheel setup before ordering.\u003c\/p\u003e\u003chr\u003e\u003ch2\u003eFAQ\u003c\/h2\u003e\u003ch3\u003eHow much lift does the 4\" GDP Portal Gear Lift give my Xpedition?\u003c\/h3\u003e\u003cp\u003eIt provides a true 4-inch lift by lowering the hubs at each corner, adding ground clearance while keeping your OEM suspension angles intact.\u003c\/p\u003e\u003ch3\u003eShould I choose the 15% or 30% gear reduction?\u003c\/h3\u003e\u003cp\u003ePick 15% if you want to keep a higher top speed with plenty of added power, and 30% if you run bigger tires or heavy loads and want maximum torque. SuperATV's portal gear reduction calculator can help you decide.\u003c\/p\u003e\u003ch3\u003eWhat size tires will fit with this portal lift?\u003c\/h3\u003e\u003cp\u003eYou can run up to 33-inch tires on stock suspension. Larger sizes may work with minor trimming or a small amount of rub.\u003c\/p\u003e\u003ch3\u003eWhat is the difference between single and dual idler gears?\u003c\/h3\u003e\u003cp\u003eDual idler gears spread the load across two precision-matched gears instead of one, adding strength for hard, heavy use. Single idler is a strong, more economical choice for most riders.\u003c\/p\u003e\u003ch3\u003eDo I need a frame stiffener?\u003c\/h3\u003e\u003cp\u003eSuperATV strongly recommends adding a frame stiffener with portals. Rough riding and added weight can stress your frame, and a stiffener adds the support needed for hard rides.\u003c\/p\u003e\u003ch3\u003eWill portals reduce wear on my drivetrain?\u003c\/h3\u003e\u003cp\u003eYes. Because the gear reduction sits at the end of the driveline, your axles, differential, prop shafts, and transmission all work less, which helps them last longer.\u003c\/p\u003e\u003chr\u003e\u003ch2\u003eWhy SuperATV\u003c\/h2\u003e\u003cp\u003eSuperATV's GDP portals are the most trusted name in portal gear lifts, built with the industry's toughest 9310 steel alloy, precision CNC-ground gears, and steel backing plates stronger than chromoly. Each GDP Portal Gear Lift is backed by a Limited Lifetime warranty against manufacturing defects to the original purchaser and a dedicated portal support team.\u003c\/p\u003e\u003chr\u003e\u003ch2\u003eComplete Your Xpedition Portal Gear Lift Setup\u003c\/h2\u003e\u003cp\u003eBefore you order your 4\" GDP Portal Gear Lift, confirm your Xpedition year, package (XP, XP5, ADV, or ADV5), and wheel backspacing, then decide on your idler, housing, and gear-reduction configuration. Add a SuperATV Frame Stiffener for extra frame support and pick up Portal Blood gear oil formulated for GDP portals so your new portals stay sealed and running strong from the first ride.\u003c\/p\u003e\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"How much lift does the 4\\\" GDP Portal Gear Lift give my Xpedition?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"It provides a true 4-inch lift by lowering the hubs at each corner, adding ground clearance while keeping your OEM suspension angles intact.\"}},{\"@type\":\"Question\",\"name\":\"Should I choose the 15% or 30% gear reduction?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Pick 15% if you want to keep a higher top speed with plenty of added power, and 30% if you run bigger tires or heavy loads and want maximum torque.\"}},{\"@type\":\"Question\",\"name\":\"What size tires will fit with this portal lift?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"You can run up to 33-inch tires on stock suspension. Larger sizes may work with minor trimming or a small amount of rub.\"}},{\"@type\":\"Question\",\"name\":\"What is the difference between single and dual idler gears?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Dual idler gears spread the load across two precision-matched gears instead of one, adding strength for hard, heavy use. Single idler is a strong, more economical choice for most riders.\"}},{\"@type\":\"Question\",\"name\":\"Do I need a frame stiffener?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"SuperATV strongly recommends adding a frame stiffener with portals. Rough riding and added weight can stress your frame, and a stiffener adds the support needed for hard rides.\"}},{\"@type\":\"Question\",\"name\":\"Will portals reduce wear on my drivetrain?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Yes. 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