{"title":"Most Popular Heavy Duty","description":"","products":[{"product_id":"chevrolet-1500-silverado-pickup-1990-2021-hd","title":"Chevrolet 1500 Silverado 1990 - 2024 | HD Kit","description":"\u003cp\u003eBuilt for truck owners who tow, haul, and drive loaded regularly.\u003c\/p\u003e\n\u003cp\u003eRoadActive Suspension HD strengthens your factory leaf spring suspension to improve stability, reduce squat, and keep your truck controlled under load — without the hassle of airbags.\u003c\/p\u003e\n\u003cp\u003eBetter under load while improving unloaded ride quality and handling — that’s what makes RAS® different.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHelps provide:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eUp to 50% increase in rear suspension strength\u003c\/li\u003e\n\u003cli\u003eUp to 2\" reduction in squat\u003c\/li\u003e\n\u003cli\u003eImproved towing \u0026amp; hauling stability\u003c\/li\u003e\n\u003cli\u003eMaintain \u0026amp; improve unloaded ride\u003c\/li\u003e\n\u003cli\u003eReduced sway, bounce, and axle wrap\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eFully mechanical. No compressors, air lines, or maintenance. Progressive tension design adapts automatically to changing loads.\u003c\/p\u003e\n\u003c!-- COLLAPSED: Installation Video --\u003e\n\u003cdetails style=\"margin: 12px 0; border: 1px solid #e5e5e5; border-radius: 6px; padding: 10px;\"\u003e\n\u003csummary style=\"cursor: pointer; font-weight: 600;\"\u003eWatch Installation Video\u003c\/summary\u003e\n\u003cdiv style=\"margin-top: 10px; text-align: center;\"\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/Dj_so_yQbVk?si=ZdKORJPB-gpFh3yW\" title=\"RoadActive Suspension Installation Video\"\u003e\u003c\/iframe\u003e\u003c\/div\u003e\n\u003c\/details\u003e\n\u003c!-- COLLAPSED: Shipping (with inline map) --\u003e\n\u003cdetails open=\"\" style=\"margin: 12px 0; border: 1px solid #e5e5e5; border-radius: 6px; padding: 10px;\"\u003e\n\u003csummary style=\"cursor: pointer; font-weight: 600;\"\u003e1–2 Day In-Network Ground Shipping \u003cspan style=\"display: inline-block; background: #c00; color: #fff; font-size: 12px; font-weight: bold; padding: 2px 6px; border-radius: 4px; margin-left: 8px;\"\u003e FREE \u003c\/span\u003e\u003c\/summary\u003e\n\u003cdiv style=\"margin-top: 10px;\"\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0557\/7585\/4800\/files\/RAS_Network_Ground_Map.png?v=1755621326\" alt=\"RoadActive Suspension warehouse network ground coverage map\" style=\"max-width: 100%; height: auto; border: 1px solid #e5e5e5; border-radius: 6px;\"\u003e\n\u003cdiv style=\"font-size: 12px; color: #666; margin-top: 6px;\"\u003eTransit estimates shown. Actual delivery times may vary.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003c!-- Compatibility note --\u003e\n\u003cp style=\"margin-top: 14px;\"\u003e\u003cstrong\u003e*Does not fit 2022-2024 models with single leaf spring\u003c\/strong\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"RoadActive Suspension","offers":[{"title":"Default Title","offer_id":39590323159248,"sku":"4611-HD","price":589.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0557\/7585\/4800\/files\/4611HDSelectsAgain2_small_square_364c247f-9b9f-4b19-a45e-9309c52db38f.png?v=1757087265"},{"product_id":"gmc-1500-sierra-pickup-1990-2022","title":"GMC 1500 Sierra 1990 - 2024 | HD Kit","description":"\u003cp\u003eGet the best of both worlds with this authentic RAS® Heavy Duty RoadActive Suspension kit -- the only solution that strengthens leaf springs by up to 50% while providing a more smooth, controlled ride at all times. \u003c\/p\u003e\n\u003cp\u003eUnlike other suspension upgrades that need constant adjustments \u0026amp; maintenance or negatively impact unloaded ride, RAS® greatly reduces squat, excessive bounce and body roll-- without hassle or sacrificing comfort.\u003c\/p\u003e\n\u003cp\u003e This 3-in-1 system offers the benefits of a helper spring, sway bar, and traction bar at the fraction of the cost of other upgrades. With a quick 1-hour installation and zero maintenance, it's the simplest most effective way to reduce squat and improve your truck's towing\/hauling performance. \u003cstrong\u003eTried and true since 1998.\u003c\/strong\u003e\u003c\/p\u003e\n\u003c!-- COLLAPSED: Installation Video --\u003e\n\u003cdetails style=\"margin: 12px 0; border: 1px solid #e5e5e5; border-radius: 6px; padding: 10px;\" open=\"\"\u003e\n\u003csummary style=\"cursor: pointer; font-weight: 600;\"\u003eWatch Installation Video\u003c\/summary\u003e\n\u003cdiv style=\"margin-top: 10px; text-align: center;\"\u003e\u003ciframe title=\"RoadActive Suspension Installation Video\" src=\"https:\/\/www.youtube.com\/embed\/Dj_so_yQbVk?si=ZdKORJPB-gpFh3yW\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/div\u003e\n\u003c\/details\u003e\n\u003c!-- COLLAPSED: FAQs (your items nested inside) --\u003e\n\u003cdetails open=\"\" style=\"margin: 12px 0; border: 1px solid #e5e5e5; border-radius: 6px; padding: 10px;\"\u003e\n\u003csummary style=\"cursor: pointer; font-weight: 600;\"\u003eFAQs (squat reduction, ride quality, how it works)\u003c\/summary\u003e\n\u003cdiv style=\"margin-top: 10px;\"\u003e\n\u003cdetails style=\"border: 1px solid #e5e5e5; border-radius: 6px; padding: 10px; margin-bottom: 8px;\"\u003e\n\u003csummary\u003e\u003cstrong\u003eHow does RAS® work?\u003c\/strong\u003e\u003c\/summary\u003e\n\u003cdiv style=\"margin-top: 8px;\"\u003eRAS uses a variable-rate tension coil spring that attaches directly to your rear leaf springs. It works like a muscle, progressively engaging as load or force is applied. This keeps the leaf springs in an upright bowed position to prevent sag, improve stability, and enhance bounce isolation.\u003c\/div\u003e\n\u003c\/details\u003e\n\u003c!-- ADDED FAQ: Squat Reduction --\u003e\n\u003cdetails style=\"border: 1px solid #e5e5e5; border-radius: 6px; padding: 10px; margin-bottom: 8px;\"\u003e\n\u003csummary\u003e\u003cstrong\u003eHow much does RAS reduce squat?\u003c\/strong\u003e\u003c\/summary\u003e\n\u003cdiv style=\"margin-top: 8px;\"\u003eMost applications see a 2–3\" reduction in rear squat. The exact amount will depend on multiple factors such as vehicle size, load size, load placement, leaf spring condition, and the tension setting of the RAS.\u003c\/div\u003e\n\u003c\/details\u003e\n\u003c!-- \/ADDED --\u003e\n\u003cdetails style=\"border: 1px solid #e5e5e5; border-radius: 6px; padding: 10px; margin-bottom: 8px;\"\u003e\n\u003csummary\u003e\u003cstrong\u003eWill RAS affect unloaded ride?\u003c\/strong\u003e\u003c\/summary\u003e\n\u003cdiv style=\"margin-top: 8px;\"\u003eExpect same-as or better-than-stock unloaded ride with less bounce and more control.\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails style=\"border: 1px solid #e5e5e5; border-radius: 6px; padding: 10px; margin-bottom: 8px;\"\u003e\n\u003csummary\u003e\u003cstrong\u003eCan I install it myself?\u003c\/strong\u003e\u003c\/summary\u003e\n\u003cdiv style=\"margin-top: 8px;\"\u003eYes—in as little as 45 minutes with jack stands and hand tools. No drilling, no airlines.\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails style=\"border: 1px solid #e5e5e5; border-radius: 6px; padding: 10px; margin-bottom: 8px;\"\u003e\n\u003csummary\u003e\u003cstrong\u003eWhy not airbags or helper springs?\u003c\/strong\u003e\u003c\/summary\u003e\n\u003cdiv style=\"margin-top: 8px;\"\u003eAirbags add complexity and maintenance. Other helper springs fix sag only, can negatively impact ride quality, and don’t deliver the same combination of benefits. \u003cstrong\u003eRAS is 3-in-1:\u003c\/strong\u003e controls squat, reduces sway, and improves traction.\u003c\/div\u003e\n\u003c\/details\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003c!-- COLLAPSED: Shipping (with inline map) --\u003e\n\u003cdetails style=\"margin: 12px 0; border: 1px solid #e5e5e5; border-radius: 6px; padding: 10px;\"\u003e\n\u003csummary style=\"cursor: pointer; font-weight: 600;\"\u003e1–2 Day In-Network Ground Shipping \u003cspan style=\"display: inline-block; background: #c00; color: #fff; font-size: 12px; font-weight: bold; padding: 2px 6px; border-radius: 4px; margin-left: 8px;\"\u003e FREE \u003c\/span\u003e\u003c\/summary\u003e\n\u003cdiv style=\"margin-top: 10px;\"\u003e\n\u003cimg style=\"max-width: 100%; height: auto; border: 1px solid #e5e5e5; border-radius: 6px;\" alt=\"RoadActive Suspension warehouse network ground coverage map\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0557\/7585\/4800\/files\/RAS_Network_Ground_Map.png?v=1755621326\"\u003e\n\u003cdiv style=\"font-size: 12px; color: #666; margin-top: 6px;\"\u003eTransit estimates shown. Actual delivery times may vary.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003c!-- Compatibility note --\u003e\n\u003cp style=\"margin-top: 14px;\"\u003e\u003cem\u003e\u003cstrong\u003e*Does not fit 2022-2024 models with single leaf spring\u003c\/strong\u003e\u003c\/em\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"RoadActive Suspension","offers":[{"title":"Default Title","offer_id":39603507495120,"sku":"4611-HD","price":589.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0557\/7585\/4800\/files\/4611HDSelectsAgain2_small_square_3dce68d6-af53-479c-9896-b5db6a8d9570.png?v=1756997461"},{"product_id":"toyota-tundra-1999-2020-hd","title":"Toyota Tundra   1999 - 2021 | HD Kit","description":"\u003cp data-end=\"214\" data-start=\"0\"\u003eGet the best of both worlds with RoadActive Suspension® HD — the only suspension upgrade that strengthens your factory leaf springs by up to 50% while improving unloaded ride quality, handling, and overall control.\u003c\/p\u003e\n\u003cp data-end=\"444\" data-start=\"216\"\u003eUnlike suspension upgrades that require constant adjustment, maintenance, or compromise everyday comfort, RAS® HD reduces squat, excessive bounce, sway, and body roll without the hassle of airbags or harsh unloaded ride quality.\u003c\/p\u003e\n\u003cp data-end=\"646\" data-start=\"446\"\u003eThis fully mechanical 3-in-1 system combines the benefits of a helper spring, sway bar, and traction bar into one simple bolt-on upgrade designed for trucks that tow, haul, and drive loaded regularly.\u003c\/p\u003e\n\u003cp data-end=\"662\" data-start=\"648\"\u003eHelps provide:\u003c\/p\u003e\n\u003cp data-end=\"872\" data-start=\"664\"\u003e• Up to 50% increase in rear suspension strength\u003cbr data-end=\"715\" data-start=\"712\"\u003e• Up to 2\" reduction in squat\u003cbr data-end=\"747\" data-start=\"744\"\u003e• Improved towing \u0026amp; hauling stability\u003cbr data-end=\"787\" data-start=\"784\"\u003e• Reduced sway, bounce, and axle wrap\u003cbr data-is-only-node=\"\" data-end=\"827\" data-start=\"824\"\u003e• Same-as or improved unloaded ride quality\u003c\/p\u003e\n\u003cp data-is-only-node=\"\" data-is-last-node=\"\" data-end=\"1045\" data-start=\"874\"\u003eWith a quick 1-hour installation and zero maintenance, RAS® HD is one of the simplest and most effective ways to improve towing, hauling, and everyday driving performance.\u003c\/p\u003e\n\u003c!-- COLLAPSED: Installation Video --\u003e\n\u003cdetails style=\"margin: 12px 0; border: 1px solid #e5e5e5; border-radius: 6px; padding: 10px;\"\u003e\n\u003csummary style=\"cursor: pointer; font-weight: 600;\"\u003eWatch Installation Video\u003c\/summary\u003e\n\u003cdiv style=\"margin-top: 10px; text-align: center;\"\u003e\u003ciframe title=\"RoadActive Suspension Installation Video\" src=\"https:\/\/www.youtube.com\/embed\/Dj_so_yQbVk?si=ZdKORJPB-gpFh3yW\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/div\u003e\n\u003c\/details\u003e\n\u003c!-- COLLAPSED: Shipping (with inline map) --\u003e\n\u003cdetails style=\"margin: 12px 0; border: 1px solid #e5e5e5; border-radius: 6px; padding: 10px;\" open=\"\"\u003e\n\u003csummary style=\"cursor: pointer; font-weight: 600;\"\u003e1–2 Day In-Network Ground Shipping \u003cspan style=\"display: inline-block; background: #c00; color: #fff; font-size: 12px; font-weight: bold; padding: 2px 6px; border-radius: 4px; margin-left: 8px;\"\u003eFREE\u003c\/span\u003e\u003c\/summary\u003e\n\u003cdiv style=\"margin-top: 10px;\"\u003e\n\u003cimg style=\"max-width: 100%; height: auto; border: 1px solid #e5e5e5; border-radius: 6px;\" alt=\"RoadActive Suspension warehouse network ground coverage map\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0557\/7585\/4800\/files\/RAS_Network_Ground_Map.png?v=1755621326\"\u003e\n\u003cdiv style=\"font-size: 12px; color: #666; margin-top: 6px;\"\u003eTransit estimates shown. Actual delivery times may vary.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e","brand":"RoadActive Suspension","offers":[{"title":"Default Title","offer_id":39608325406928,"sku":"4611-TDHD","price":589.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0557\/7585\/4800\/files\/4611TDHDselects2_small_square_1713339d-e2c2-4c71-a3d3-b3c129d1aa65.png?v=1755891411"},{"product_id":"ford-f-150-pickup-4wd-2015-2021-hd","title":"Ford F-150 (4WD) 2015 - 2020 | HD Kit","description":"\u003cp data-start=\"0\" data-end=\"214\"\u003eGet the best of both worlds with RoadActive Suspension® HD — the only suspension upgrade that strengthens your factory leaf springs by up to 50% while improving unloaded ride quality, handling, and overall control.\u003c\/p\u003e\n\u003cp data-start=\"216\" data-end=\"444\"\u003eUnlike suspension upgrades that require constant adjustment, maintenance, or compromise everyday comfort, RAS® HD reduces squat, excessive bounce, sway, and body roll without the hassle of airbags or harsh unloaded ride quality.\u003c\/p\u003e\n\u003cp data-start=\"446\" data-end=\"646\"\u003eThis fully mechanical 3-in-1 system combines the benefits of a helper spring, sway bar, and traction bar into one simple bolt-on upgrade designed for trucks that tow, haul, and drive loaded regularly.\u003c\/p\u003e\n\u003cp data-start=\"648\" data-end=\"662\"\u003eHelps provide:\u003c\/p\u003e\n\u003cp data-start=\"664\" data-end=\"872\"\u003e• Up to 50% increase in rear suspension strength\u003cbr data-start=\"712\" data-end=\"715\"\u003e• Up to 2\" reduction in squat\u003cbr data-start=\"744\" data-end=\"747\"\u003e• Improved towing \u0026amp; hauling stability\u003cbr data-start=\"784\" data-end=\"787\"\u003e• Reduced sway, bounce, and axle wrap\u003cbr data-start=\"824\" data-end=\"827\" data-is-only-node=\"\"\u003e• Same-as or improved unloaded ride quality\u003c\/p\u003e\n\u003cp data-start=\"874\" data-end=\"1045\" data-is-last-node=\"\" data-is-only-node=\"\"\u003eWith a quick 1-hour installation and zero maintenance, RAS® HD is one of the simplest and most effective ways to improve towing, hauling, and everyday driving performance.\u003c\/p\u003e\n\u003c!-- COLLAPSED: Installation Video --\u003e\n\u003cdetails style=\"margin: 12px 0; border: 1px solid #e5e5e5; border-radius: 6px; padding: 10px;\"\u003e\n\u003csummary style=\"cursor: pointer; font-weight: 600;\"\u003eWatch Installation Video (2025 Chevy\/GMC 1500)\u003c\/summary\u003e\n\u003cdiv style=\"margin-top: 10px; text-align: center;\"\u003e\u003ciframe title=\"RoadActive Suspension 2025 Chevy\/GMC 1500 Installation Video\" src=\"https:\/\/www.youtube.com\/embed\/_UP80TIBq5E?si=Ee8wQtbQERUfl7Va\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/div\u003e\n\u003c\/details\u003e\n\u003c!-- COLLAPSED: Shipping (with inline map) --\u003e\n\u003cdetails style=\"margin: 12px 0; border: 1px solid #e5e5e5; border-radius: 6px; padding: 10px;\"\u003e\n\u003csummary style=\"cursor: pointer; font-weight: 600;\"\u003e1–2 Day In-Network Ground Shipping \u003cspan style=\"display: inline-block; background: #c00; color: #fff; font-size: 12px; font-weight: bold; padding: 2px 6px; border-radius: 4px; margin-left: 8px;\"\u003e FREE \u003c\/span\u003e\u003c\/summary\u003e\n\u003cdiv style=\"margin-top: 10px;\"\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0557\/7585\/4800\/files\/RAS_Network_Ground_Map.png?v=1755621326\" alt=\"RoadActive Suspension warehouse network ground coverage map\" style=\"max-width: 100%; height: auto; border: 1px solid #e5e5e5; border-radius: 6px;\"\u003e\n\u003cdiv style=\"font-size: 12px; color: #666; margin-top: 6px;\"\u003eTransit estimates shown. Actual delivery times may vary.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003c!-- Compatibility note --\u003e\n\u003cp style=\"margin-top: 14px;\"\u003e \u003c\/p\u003e\n\n","brand":"RoadActive Suspension","offers":[{"title":"Default Title","offer_id":39649276657872,"sku":"3611-YHD","price":589.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0557\/7585\/4800\/files\/3611YHDselects1_small_square_e3456923-19ab-42a8-a43d-8612be919810.png?v=1755889808"},{"product_id":"ford-f-150-4wd-2021","title":"Ford F-150 (4WD) 2021 -2026 | HD Kit","description":"Get the best of both worlds with RoadActive Suspension® HD — the only suspension upgrade that strengthens your factory leaf springs by up to 50% while improving unloaded ride quality, handling, and overall control.\n\nUnlike suspension upgrades that require constant adjustment, maintenance, or compromise everyday comfort, RAS® HD reduces squat, excessive bounce, sway, and body roll without the hassle of airbags or harsh unloaded ride quality.\n\nThis fully mechanical 3-in-1 system combines the benefits of a helper spring, sway bar, and traction bar into one simple bolt-on upgrade designed for trucks that tow, haul, and drive loaded regularly.\n\nHelps provide:\n\n• Up to 50% increase in rear suspension strength\n• Up to 2\" reduction in squat\n• Improved towing \u0026amp; hauling stability\n• Reduced sway, bounce, and axle wrap\n• Same-as or improved unloaded ride quality\n\nWith a quick 1-hour installation and zero maintenance, RAS® HD is one of the simplest and most effective ways to improve towing, hauling, and everyday driving performance.\n\u003c!-- COLLAPSED: Installation Video --\u003e\n\u003cdetails style=\"margin: 12px 0; border: 1px solid #e5e5e5; border-radius: 6px; padding: 10px;\"\u003e\n\u003csummary style=\"cursor: pointer; font-weight: 600;\"\u003eWatch Installation Video (2025 Chevy\/GMC 1500)\u003c\/summary\u003e\n\u003cdiv style=\"margin-top: 10px; text-align: center;\"\u003e\u003ciframe title=\"RoadActive Suspension 2025 Chevy\/GMC 1500 Installation Video\" src=\"https:\/\/www.youtube.com\/embed\/_UP80TIBq5E?si=Ee8wQtbQERUfl7Va\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/div\u003e\n\u003c\/details\u003e\n\u003c!-- COLLAPSED: Shipping (with inline map) --\u003e\n\u003cdetails style=\"margin: 12px 0; border: 1px solid #e5e5e5; border-radius: 6px; padding: 10px;\"\u003e\n\u003csummary style=\"cursor: pointer; font-weight: 600;\"\u003e1–2 Day In-Network Ground Shipping \u003cspan style=\"display: inline-block; background: #c00; color: #fff; font-size: 12px; font-weight: bold; padding: 2px 6px; border-radius: 4px; margin-left: 8px;\"\u003e FREE \u003c\/span\u003e\u003c\/summary\u003e\n\u003cdiv style=\"margin-top: 10px;\"\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0557\/7585\/4800\/files\/RAS_Network_Ground_Map.png?v=1755621326\" alt=\"RoadActive Suspension warehouse network ground coverage map\" style=\"max-width: 100%; height: auto; border: 1px solid #e5e5e5; border-radius: 6px;\"\u003e\n\u003cdiv style=\"font-size: 12px; color: #666; margin-top: 6px;\"\u003eTransit estimates shown. Actual delivery times may vary.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003c!-- Compatibility note --\u003e\n\u003cp style=\"margin-top: 14px;\"\u003e \u003c\/p\u003e","brand":"RoadActive Suspension","offers":[{"title":"Default Title","offer_id":40505974259920,"sku":"3611-YHD","price":589.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0557\/7585\/4800\/files\/3611YHDselects1_small_square.png?v=1755889808"},{"product_id":"chevrolet-1500-silverado-2025","title":"2025-2026 GMC Sierra 1500 | HD Kit","description":"\u003cp\u003eBuilt for truck owners who tow, haul, and drive loaded regularly.\u003c\/p\u003e\n\u003cp\u003eRoadActive Suspension HD strengthens your factory leaf spring suspension to improve stability, reduce squat, and keep your truck controlled under load — without the hassle of airbags.\u003c\/p\u003e\n\u003cp\u003eBetter under load while improving unloaded ride quality and handling — that’s what makes RAS® different.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHelps provide:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eUp to 50% increase in rear suspension strength\u003c\/li\u003e\n\u003cli\u003eUp to 2\" reduction in squat\u003c\/li\u003e\n\u003cli\u003eImproved towing \u0026amp; hauling stability\u003c\/li\u003e\n\u003cli\u003eMaintain \u0026amp; improve unloaded ride\u003c\/li\u003e\n\u003cli\u003eReduced sway, bounce, and axle wrap\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eFully mechanical. No compressors, air lines, or maintenance. Progressive tension design adapts automatically to changing loads.\u003c\/p\u003e\n\u003c!-- COLLAPSED: Installation Video --\u003e\n\u003cdetails style=\"margin: 12px 0; border: 1px solid #e5e5e5; border-radius: 6px; padding: 10px;\"\u003e\n\u003csummary style=\"cursor: pointer; font-weight: 600;\"\u003eWatch Installation Video\u003c\/summary\u003e\n\u003cdiv style=\"margin-top: 10px; text-align: center;\"\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/Dj_so_yQbVk?si=ZdKORJPB-gpFh3yW\" title=\"RoadActive Suspension Installation Video\"\u003e\u003c\/iframe\u003e\u003c\/div\u003e\n\u003c\/details\u003e\n\u003c!-- COLLAPSED: Shipping (with inline map) --\u003e\n\u003cdetails open=\"\" style=\"margin: 12px 0; border: 1px solid #e5e5e5; border-radius: 6px; padding: 10px;\"\u003e\n\u003csummary style=\"cursor: pointer; font-weight: 600;\"\u003e1–2 Day In-Network Ground Shipping \u003cspan style=\"display: inline-block; background: #c00; color: #fff; font-size: 12px; font-weight: bold; padding: 2px 6px; border-radius: 4px; margin-left: 8px;\"\u003e FREE \u003c\/span\u003e\u003c\/summary\u003e\n\u003cdiv style=\"margin-top: 10px;\"\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0557\/7585\/4800\/files\/RAS_Network_Ground_Map.png?v=1755621326\" alt=\"RoadActive Suspension warehouse network ground coverage map\" style=\"max-width: 100%; height: auto; border: 1px solid #e5e5e5; border-radius: 6px;\"\u003e\n\u003cdiv style=\"font-size: 12px; color: #666; margin-top: 6px;\"\u003eTransit estimates shown. Actual delivery times may vary.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003c!-- Compatibility note --\u003e\n\u003cp style=\"margin-top: 14px;\"\u003e\u003cstrong\u003e*Does not fit 2022-2024 models with single leaf spring\u003c\/strong\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"RoadActive Suspension","offers":[{"title":"Default Title","offer_id":44670889033936,"sku":"5611-TZHD","price":589.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0557\/7585\/4800\/files\/5611tzHDSelect11_1.png?v=1761079026"}],"url":"https:\/\/www.roadactivesuspension.com\/collections\/most-popular-heavy-duty.oembed","provider":"RoadActive Suspension","version":"1.0","type":"link"}