{"product_id":"icon-2-5-front-dual-rate-coil-spring-kit-diesel-ford-f-450-f-550-super-duty-4wd-2005-2026","title":"ICON 2.5\" Front Dual Rate Coil Spring Kit, Diesel - Ford F-450 \/ F-550 Super Duty 4WD 2005-2026","description":"\u003cp\u003eThese front coil springs give the 4WD diesel F-450 and F-550 about 2.5 in of lift. That is enough to fit larger tires, and when paired with ICON shocks it also allows more wheel travel. The springs are dual rate, designed with the weight of a diesel engine in mind.\u003c\/p\u003e\u003cp\u003eA dual rate spring starts soft, which keeps the truck comfortable on the road, then firms up as it compresses. That second rate is what resists bottoming out and helps off-road. Caster correction cams are included so the alignment can be brought back in line at the new ride height.\u003c\/p\u003e\u003ch3\u003eFitment\u003c\/h3\u003e\u003cp\u003e2005-2026 Ford F-450 and F-550 Super Duty, 4WD, diesel. The rate is tuned for diesel trucks, so it is not listed for gas engines.\u003c\/p\u003e\u003ch3\u003eWhat's included\u003c\/h3\u003e\u003cp\u003eFront coil springs and caster correction cams. ICON backs its coil springs with a lifetime guarantee against sagging and breakage.\u003c\/p\u003e\u003ch3\u003eInstall notes\u003c\/h3\u003e\u003cp\u003eLifting a Super Duty changes caster, so plan on an alignment after the install.\u003c\/p\u003e\u003ch3\u003eQuestions before you order?\u003c\/h3\u003e\u003cp\u003eFitment questions are easier to settle before the box ships. Call or text Carl \u0026amp; Anton at (920) 249-7744 or use the chat — real humans in Sheboygan, Wisconsin, not a call center.\u003c\/p\u003e","brand":"ICON Vehicle Dynamics","offers":[{"title":"Default Title","offer_id":58652715450671,"sku":"62514","price":479.55,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0861\/5113\/5535\/files\/05e62d181e33be8101eff7379a3611ec_ce787862-8f1e-4d00-8b0f-251e35f19367.jpg?v=1792014506","url":"https:\/\/nvmos.com\/products\/icon-2-5-front-dual-rate-coil-spring-kit-diesel-ford-f-450-f-550-super-duty-4wd-2005-2026","provider":"NVMOS","version":"1.0","type":"link"}