{"product_id":"ford-f-250-2011-2026-mega-duty-kit","title":"Ford F-250 2011-2026 | Mega Duty Kit","description":"\u003cp data-end=\"181\" data-start=\"0\"\u003eGet the best of both worlds with RoadActive Suspension® Mega-Duty — our strongest suspension upgrade engineered for heavy payloads, serious towing, and demanding truck applications.\u003c\/p\u003e\n\u003cp data-end=\"360\" data-start=\"183\"\u003eMega-Duty strengthens your factory leaf springs by up to 50% while improving unloaded ride quality, handling, and overall control — without the hassle or maintenance of airbags.\u003c\/p\u003e\n\u003cp data-end=\"457\" data-start=\"362\"\u003eDesigned for 3\/4-ton and 1-ton trucks that tow and haul regularly, RAS® Mega-Duty helps reduce:\u003c\/p\u003e\n\u003cp data-end=\"534\" data-start=\"459\"\u003e• Up to 2\" of squat\u003cbr data-end=\"481\" data-start=\"478\"\u003e• Excessive bounce \u0026amp; body roll\u003cbr data-end=\"514\" data-start=\"511\"\u003e• Sway \u0026amp; axle wrap\u003c\/p\u003e\n\u003cp data-end=\"601\" data-start=\"536\"\u003eIndependently tested at the Transportation Research Center (TRC):\u003c\/p\u003e\n\u003cp data-end=\"735\" data-start=\"603\"\u003e• 23% reduction in road transmissibility\u003cbr data-end=\"646\" data-start=\"643\"\u003e• 43% improvement in pitch stability\u003cbr data-end=\"685\" data-start=\"682\"\u003e• Approximately 30% stronger spring rate than HD\u003c\/p\u003e\n\u003cp data-is-only-node=\"\" data-is-last-node=\"\" data-end=\"905\" data-start=\"737\"\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 with zero maintenance required.\u003c\/p\u003e\n\u003cp data-end=\"783\" data-start=\"729\"\u003e\u003cstrong\u003e*If your truck does have a factory top overload, it must be removed in order to install RAS and will provide slightly better than factory suspension strength.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-end=\"783\" data-start=\"729\"\u003e\u003cstrong\u003eIf you're squatting with your F-250 — Mega-Duty is the answer.\u003c\/strong\u003e\u003c\/p\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;\"\u003e🚚 1–2 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\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"RoadActive Suspension","offers":[{"title":"No Factory Overload Spring","offer_id":44994320203984,"sku":"3611-SMD","price":649.0,"currency_code":"USD","in_stock":true},{"title":"With Top Factory Overload Spring","offer_id":44994320236752,"sku":"3611-SLMD","price":649.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0557\/7585\/4800\/files\/3611SHDSelects2_Small_square_8979d788-5a8d-4d0d-b3ff-2fe2f2fe0d74.png?v=1757007808","url":"https:\/\/www.roadactivesuspension.com\/products\/ford-f-250-2011-2026-mega-duty-kit","provider":"RoadActive Suspension","version":"1.0","type":"link"}