{"product_id":"superatv-can-am-defender-hd8-4-inch-portal-gear-lift","title":"SuperATV Can-Am Defender HD8 4\" Portal Gear Lift (2016-2021)","description":"\u003cp\u003e\u003cstrong\u003eThe SuperATV Can-Am Defender HD8 4\" Portal Gear Lift adds ground clearance and a built-in 15% or 30% gear reduction so your Defender can turn bigger tires without overloading the drivetrain.\u003c\/strong\u003e Because the reduction sits in the hub, your axles, differential, prop shaft and transmission see less stress.\u003c\/p\u003e\n\u003cp\u003eChoose cast or billet aluminum housings, and single or patented dual idler gears that spread the load over twice the gear surface. GDP uses precision-ground 9310 steel gears, sealed input gears, double-lipped output seals and double-angular contact output bearings to keep the portals sealed and quiet.\u003c\/p\u003e\n\u003cp\u003eTell us whether your Defender HD8 already has a big lift kit, since the steering arm setup differs.\u003c\/p\u003e\n\u003cp\u003eSuperATV recommends a frame stiffener with portals and big tires. Add the \u003ca href=\"\/products\/superatv-can-am-defender-hd8-frame-stiffener\"\u003eSuperATV Can-Am Defender HD8 frame stiffener\u003c\/a\u003e to reinforce the A-arm mounts before you install your portals.\u003c\/p\u003e\n\u003chr\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e15% or 30% gear reduction\u003c\/li\u003e\n\u003cli\u003eCast or billet aluminum housings\u003c\/li\u003e\n\u003cli\u003eSingle or dual idler gear configuration\u003c\/li\u003e\n\u003cli\u003ePrecision-ground 9310 alloy steel gears\u003c\/li\u003e\n\u003cli\u003e1.5-inch 4340 hardened steel drive shaft\u003c\/li\u003e\n\u003cli\u003eSealed input gear and double-lipped output seal\u003c\/li\u003e\n\u003cli\u003eUniversal hubs for 4\/156, 4\/137, 4\/115 and 4\/110 bolt patterns\u003c\/li\u003e\n\u003cli\u003eExtended brake lines and steering arms included\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\u003ch2\u003eBuilt To Solve: Clearance, Torque and Tire Size on the Can-Am Defender HD8\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eNot enough ground clearance for rocks, ruts and mud\u003c\/li\u003e\n\u003cli\u003eBig tires bogging down the stock gearing\u003c\/li\u003e\n\u003cli\u003eStress on axles, differential and transmission from oversized tires\u003c\/li\u003e\n\u003cli\u003eLift kits that add height without adding torque\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\u003ch2\u003eBest For: Defender HD8 Owners Running Bigger Tires for Mud, Rocks or Work\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eMud and rock riders who want more torque (30% reduction)\u003c\/li\u003e\n\u003cli\u003eTrail and work riders who want to keep speed (15% reduction)\u003c\/li\u003e\n\u003cli\u003eOwners who want the strongest setup (billet housing, dual idler)\u003c\/li\u003e\n\u003cli\u003eOwners adding a Defender HD8 frame stiffener for frame support\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003ePortal size: 4-inch\u003c\/li\u003e\n\u003cli\u003eGear reduction: 15% or 30%\u003c\/li\u003e\n\u003cli\u003eHousing: cast or billet aluminum\u003c\/li\u003e\n\u003cli\u003eTire size with 4-inch portals: up to 26 inches on stock suspension\u003c\/li\u003e\n\u003cli\u003eUp to 27 inches with a 3-inch lift kit\u003c\/li\u003e\n\u003cli\u003e28 to 34 inches with 2-inch forward offset A-arms\u003c\/li\u003e\n\u003cli\u003e28 to 38 inches with a 6-inch lift kit\u003c\/li\u003e\n\u003cli\u003eIdler: single or dual (dual adds 3\/4-inch front and rear offset, 1.5-inch total extension)\u003c\/li\u003e\n\u003cli\u003eGears: precision-ground 9310 alloy steel\u003c\/li\u003e\n\u003cli\u003eDrive shaft: 1.5-inch 4340 hardened steel\u003c\/li\u003e\n\u003cli\u003eUniversal hub bolt patterns: 4\/156, 4\/137, 4\/115, 4\/110\u003c\/li\u003e\n\u003cli\u003eWheels: 14-inch or larger, max 4-1\/2-inch backspacing, not compatible with dual beadlock wheels; 3.25-inch (82.55 mm) center bore or a 1-inch spacer required\u003c\/li\u003e\n\u003cli\u003eIncludes: (4) assembled portal hub boxes with 9310 gears, seals, output shaft, gaskets and thrust bearings; (4) universal hubs and stainless slotted rotors with lugs; (4) steel alloy backing plates; (4) steel caliper mounting plates; (2) steel steering arms; extended brake lines; all hardware including recessed castle nut socket\u003c\/li\u003e\n\u003cli\u003ePatents: 11,299,042 and 11,318,787\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\u003ch2\u003eFitment\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eCan-Am Defender HD8, HD8 DPS and HD8 XT (2016-2021)\u003c\/li\u003e\n\u003cli\u003eCan-Am Defender MAX HD8, MAX HD8 DPS and MAX HD8 XT (2017-2021)\u003c\/li\u003e\n\u003cli\u003eWheel requirements: 14-inch or larger, max 4-1\/2-inch backspacing, not compatible with dual beadlock wheels\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eChoose the big lift kit option that matches your machine. The frame stiffener is sold separately as its own listing (linked above).\u003c\/p\u003e\u003cp\u003eFitment is not guaranteed on models, trims or years not listed above, or on machines with modified chassis or aftermarket parts in the way; confirm your exact model before ordering.\u003c\/p\u003e\n\u003chr\u003e\u003ch2\u003eFAQ\u003c\/h2\u003e\u003ch3\u003eIs a portal gear lift better than a standard lift kit?\u003c\/h3\u003e\u003cp\u003ePortals add ground clearance and torque together by moving the gear reduction to the hub, while a lift kit only adds height.\u003c\/p\u003e\u003ch3\u003eShould I pick 15% or 30% gear reduction?\u003c\/h3\u003e\u003cp\u003e15% keeps more trail speed with added torque; 30% suits heavy loads, mud and bigger tires that need more low-end power.\u003c\/p\u003e\u003ch3\u003eWhat is a dual idler?\u003c\/h3\u003e\u003cp\u003eA second idler gear in the portal box spreads the load over twice as much gear surface for stronger, more reliable torque transfer.\u003c\/p\u003e\u003ch3\u003eWhat wheels do I need?\u003c\/h3\u003e\u003cp\u003e14-inch or larger wheels with no more than 4-1\/2 inches of backspacing; dual beadlock wheels are not compatible.\u003c\/p\u003e\u003ch3\u003eDo I need a frame stiffener?\u003c\/h3\u003e\u003cp\u003eSuperATV recommends one, because portals and big tires add stress to the frame.\u003c\/p\u003e\u003ch3\u003eWhy does the big lift kit option matter?\u003c\/h3\u003e\u003cp\u003eMachines with a big lift kit use a different steering arm and portal configuration, so pick the option that matches your Defender.\u003c\/p\u003e\n\u003chr\u003e\u003ch2\u003eWhy SuperATV\u003c\/h2\u003e\u003cp\u003eSuperATV's GDP portals are built around precision CNC-ground 9310 steel gears, advanced steel alloy backing plates and an optional patented dual idler design, with a dedicated portal tech support team behind them. Dunes 2 Dezert SXS ships SuperATV portal gear lifts nationwide with fitment checked against SuperATV's own list.\u003c\/p\u003e\n\u003chr\u003e\u003ch2\u003eComplete Your Can-Am Defender HD8 Portal Build\u003c\/h2\u003e\u003cp\u003eChoose your gear reduction, housing, idler and big lift kit option, confirm wheel size and backspacing, and add a Defender HD8 frame stiffener. Pick up portal gear oil and plan tires around the fitment chart before you order.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"Is a portal gear lift better than a standard lift kit?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Portals add ground clearance and torque together by moving the gear reduction to the hub, while a lift kit only adds height.\"}}, {\"@type\": \"Question\", \"name\": \"Should I pick 15% or 30% gear reduction?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"15% keeps more trail speed with added torque; 30% suits heavy loads, mud and bigger tires that need more low-end power.\"}}, {\"@type\": \"Question\", \"name\": \"What is a dual idler?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"A second idler gear in the portal box spreads the load over twice as much gear surface for stronger, more reliable torque transfer.\"}}, {\"@type\": \"Question\", \"name\": \"What wheels do I need?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"14-inch or larger wheels with no more than 4-1\/2 inches of backspacing; dual beadlock wheels are not compatible.\"}}, {\"@type\": \"Question\", \"name\": \"Do I need a frame stiffener?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"SuperATV recommends one, because portals and big tires add stress to the frame.\"}}, {\"@type\": \"Question\", \"name\": \"Why does the big lift kit option matter?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Machines with a big lift kit use a different steering arm and portal configuration, so pick the option that matches your Defender.\"}}]}\u003c\/script\u003e","brand":"SuperATV","offers":[{"title":"Yes \/ Billet \/ Single \/ 15%","offer_id":67889543282724,"sku":"PGH-7-90-153-B#HD8","price":3469.95,"currency_code":"USD","in_stock":true},{"title":"Yes \/ Billet \/ Single \/ 30%","offer_id":67889543315492,"sku":"PGH-7-90-303-B#HD8","price":3469.95,"currency_code":"USD","in_stock":true},{"title":"Yes \/ Billet \/ Dual \/ 15%","offer_id":67889543348260,"sku":"PGHD-7-67-153-B#HD8","price":3899.95,"currency_code":"USD","in_stock":true},{"title":"Yes \/ Billet \/ Dual \/ 30%","offer_id":67889543381028,"sku":"PGHD-7-67-303-B#HD8","price":3899.95,"currency_code":"USD","in_stock":true},{"title":"No \/ Cast \/ Single \/ 15%","offer_id":67889543413796,"sku":"PGH-7-67-151#HD8","price":2499.95,"currency_code":"USD","in_stock":true},{"title":"No \/ Cast \/ Single \/ 30%","offer_id":67889543446564,"sku":"PGH-7-67-301#HD8","price":2499.95,"currency_code":"USD","in_stock":true},{"title":"No \/ Billet \/ Single \/ 15%","offer_id":67889543479332,"sku":"PGH-7-67-151-B#HD8","price":3469.95,"currency_code":"USD","in_stock":true},{"title":"No \/ Billet \/ Single \/ 30%","offer_id":67889543512100,"sku":"PGH-7-67-301-B#HD8","price":3469.95,"currency_code":"USD","in_stock":true},{"title":"No \/ Billet \/ Dual \/ 15%","offer_id":67889543544868,"sku":"PGHD-7-67-153-B#HD8A","price":3899.95,"currency_code":"USD","in_stock":true},{"title":"No \/ Billet \/ Dual \/ 30%","offer_id":67889543577636,"sku":"PGHD-7-67-303-B#HD8A","price":3899.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0694\/6488\/3236\/files\/portal_gear_hub_dual_and_single_idler_1_4_2.jpg?v=1792893422","url":"https:\/\/dunes2dezertsxs.com\/products\/superatv-can-am-defender-hd8-4-inch-portal-gear-lift","provider":"Dunes 2 Dezert SXS","version":"1.0","type":"link"}