{"product_id":"icon-leaf-spring-expansion-pack-2008-2026-ford-f-250-f-350-super-duty-168507","title":"ICON Vehicle Dynamics Leaf Spring Expansion Pack for 2008-2026 Ford F-250\/F-350 Super Duty (Rear)","description":"\u003cp\u003eThis ICON rear leaf spring expansion pack fits the 2008-2026 Ford F-250 and F-350 Super Duty. Rather than stacking leaves, it replaces the factory secondary leaves and keeps the main leaf in place. The result is added rear height with a softer rate. It was developed with ICON's suspension systems and tested on road and trail.\u003c\/p\u003e\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eKeeps the Factory Main Leaf\u003c\/strong\u003e\u003cbr\u003eThe kit keeps the factory main leaf and replaces the overload or secondary leaves, a simpler way to gain rear height than a full pack.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eRear Height, Softer Rate\u003c\/strong\u003e\u003cbr\u003eICON says the rear gains height while the spring rate gets softer, for a more compliant ride.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMade for the Rear\u003c\/strong\u003e\u003cbr\u003eThis spring works at the rear axle of the vehicle named in the title.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDeveloped With ICON Systems\u003c\/strong\u003e\u003cbr\u003eICON develops its leaf packs alongside its suspension systems, so the springs suit ICON shocks.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eTested on Road and Trail\u003c\/strong\u003e\u003cbr\u003eICON engineers test their suspension parts on the street, on the trail and under race conditions, the same development work behind its complete systems.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eICON Warranty, Claims Through Us\u003c\/strong\u003e\u003cbr\u003eICON's published limited warranty covers these springs for the original buyer, and we open any claim with ICON for you.\u003c\/p\u003e\n\u003ch3\u003eFitment \u0026amp; Compatibility\u003c\/h3\u003e\u003cstyle\u003e.pt-fit{margin:10px 0 4px;position:relative}.pt-fit\u003einput{position:absolute;width:1px;height:1px;opacity:0;margin:0;pointer-events:none}.pt-fit__tabs{display:flex;flex-wrap:wrap;gap:6px;margin:0 0 12px;padding:0}.pt-fit__tabs label{display:inline-flex;align-items:center;gap:7px;cursor:pointer;padding:6px 14px;border:1px solid #e2e4e6;border-radius:999px;background:#f2f3f4;color:#4a5057;font-weight:700;line-height:1.35}.pt-fit__tabs label\u003espan{display:inline-flex;align-items:center;justify-content:center;box-sizing:content-box;min-width:1.5em;height:1.5em;padding:0 .3em;line-height:1;font-size:.75em;font-weight:700;color:#8a9099;background:#ffffff;border-radius:999px}.pt-fit__tabs label:hover{background:#e8eaec}.pt-fit__p{display:block}#fit-168507 .pt-fit__p{display:none}.pt-fitw{overflow-x:auto;border:1px solid #e6e6e6;border-radius:8px;background:#ffffff;margin:10px 0 4px}.pt-fitw table{display:table;table-layout:fixed;width:100%;margin:0;border-collapse:separate;border-spacing:0;border:none;min-width:560px}.pt-fitw caption{caption-side:top;text-align:left;padding:0 0 8px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:#8a9099;font-size:.8em}.pt-fit .pt-fitw caption{position:absolute;width:1px;height:1px;padding:0;overflow:hidden;clip-path:inset(50%);white-space:nowrap}@media print{.pt-fit .pt-fitw caption{position:static!important;width:auto!important;height:auto!important;clip-path:none!important;padding:0 0 8px!important}}.pt-fitw th{background:#141414;color:#ffffff;text-align:left;padding:11px 14px;font-weight:700;font-size:12px;letter-spacing:.09em;text-transform:uppercase;border:none;white-space:nowrap}.pt-fitw td{padding:11px 14px;border:none;border-bottom:1px solid #ececec;background:#ffffff;vertical-align:top}.pt-fitw tbody tr:nth-child(even) td{background:#f7f7f7}.pt-fitw tbody tr:last-child td{border-bottom:none}.pt-fitw td.y{font-weight:700;white-space:nowrap}.pt-fitw td.b{white-space:nowrap}.pt-fitw td.n{color:#5a6067;font-size:.92em}.pt-fitw td.e{color:#c4c8cc}#fit-168507\u003e.pt-fit__panels\u003e.pt-fit__p:first-of-type{display:block}#fit-168507\u003einput:checked~.pt-fit__panels\u003e.pt-fit__p{display:none}@media print{#fit-168507 .pt-fit__tabs{display:none}#fit-168507 .pt-fit__p{display:block!important}#fit-168507 .pt-fitw{overflow:visible!important}#fit-168507 .pt-fitw table{min-width:0!important}}\u003c\/style\u003e\u003cdiv class=\"pt-fitw\"\u003e\u003ctable\u003e\n\u003ccaption\u003eFord\u003c\/caption\u003e\n\u003ccolgroup\u003e\n\u003ccol style=\"width:22%\"\u003e\n\u003ccol style=\"width:28%\"\u003e\n\u003ccol style=\"width:12%\"\u003e\n\u003ccol style=\"width:38%\"\u003e\n\u003c\/colgroup\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eYears\u003c\/th\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003cth\u003eBed\u003c\/th\u003e\n\u003cth\u003eNotes\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd class=\"y\"\u003e2008-2026\u003c\/td\u003e\n\u003ctd\u003eF-250 Super Duty\u003c\/td\u003e\n\u003ctd class=\"b\"\u003e\u003c\/td\u003e\n\u003ctd class=\"e\"\u003e—\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"y\"\u003e2008-2026\u003c\/td\u003e\n\u003ctd\u003eF-350 Super Duty\u003c\/td\u003e\n\u003ctd class=\"b\"\u003e\u003c\/td\u003e\n\u003ctd class=\"n\"\u003eSRW\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\u003cdiv style=\"background:#faf7f7;border-left:4px solid #ba232a;border-radius:0 8px 8px 0;padding:14px 16px;margin:12px 0;\"\u003e\n\u003cp style=\"margin:0 0 8px;\"\u003e\u003cstrong\u003eCheck your fit:\u003c\/strong\u003e match your year, model and the notes in each row: 2008-2026 Ford F-250 Super Duty; 2008-2026 Ford F-350 Super Duty (SRW).\u003c\/p\u003e\n\u003cp style=\"margin:0;\"\u003e\u003cstrong\u003eNot for:\u003c\/strong\u003e years, models or trims outside those rows. Other leaf spring parts in this line for the same models: 138508 (Leaf Spring Pack, rear, 5\" lift, 1999-2007); 138509 (Leaf Spring Pack, front, 6\" lift, 1999-2005); 168505A (Leaf Spring Pack, rear, 5\" lift, 2008-2016); 168506 (Leaf Spring Pack, rear, 5\" lift, 2017-2026).\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eBrand:\u003c\/b\u003e ICON Vehicle Dynamics\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003ePart Number:\u003c\/b\u003e 168507\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003ePosition:\u003c\/b\u003e Rear\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eLift:\u003c\/b\u003e Per part, as ICON lists it\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eUPC:\u003c\/b\u003e 840103423036\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eInstallation\u003c\/h3\u003e\n\u003cp\u003e\u003cb\u003eRecommended installation:\u003c\/b\u003e Professional · \u003cb\u003eType:\u003c\/b\u003e Leaf spring pack, expansion pack or Add-A-Leaf replacing factory leaves · \u003cb\u003eTime:\u003c\/b\u003e 2-3 hours · \u003cb\u003eTools:\u003c\/b\u003e Floor Jack; Jack Stands; Torque Wrench; C-Clamp; Vise-Grip; 15mm Socket\/Wrench; 18mm Socket\/Wrench; 21mm Socket\/Wrench; Rest on ICON's sheet · \u003cb\u003eWhat's involved:\u003c\/b\u003e The rear axle is supported, the U-bolts and leaf pack are separated from the axle, and the ICON expansion leaves are added at the center pin; the U-bolts are re-torqued after 1000 miles, other hardware after 100 miles.\u003c\/p\u003e\n\u003cp\u003eHere's the short version. Follow ICON's install sheet (below) for your vehicle's exact steps and torque values.\u003c\/p\u003e\n\u003col\u003e\n\u003cli\u003eLift the back of the truck. Support the frame at the frame rail with jack stands. NEVER WORK UNDER AN UNSUPPORTED VEHICLE. Remove rear tires. Support the rear axle with a jack, as you will need to raise and lower it.\u003c\/li\u003e\n\u003cli\u003eDepending on model, Using a pry bar, open the U-clips towards the ends of the spring pack that help to hold the leaves in-line with each other.\u003c\/li\u003e\n\u003cli\u003eSlowly lower the axle until the leaf springs and center pin are from the axle and factory lift block. DO NOT ALLOW THE AXLE TO HANG FROM ANY HOSES OR WIRES.\u003c\/li\u003e\n\u003cli\u003eRemove the 3\/8\" bolts\/nuts and crush sleeve from the add-a-leaf U-clips, set aside for later.\u003c\/li\u003e\n\u003cli\u003eAlign all the leaves together using the center pin, thread the nut onto the pin.\u003c\/li\u003e\n\u003cli\u003eRetorque U-bolts in 1000 Miles.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003ch3\u003eResources\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0805\/4784\/0244\/files\/icon-08-up-fsd-expansion-pack-install-guide-fb4fa3.pdf?v=1790624389\" target=\"_blank\" rel=\"noopener\"\u003eICON 168507 - 08-UP FSD EXPANSION PACK (6-7-2023 REV.A) (PDF)\u003c\/a\u003e, ICON's own install sheet.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWarranty, Shipping \u0026amp; Returns\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWarranty term:\u003c\/strong\u003e ICON limited warranty (ICON's published terms); claims through us\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWarranty.\u003c\/strong\u003e ICON's published limited warranty applies to this part, and we handle any claim with ICON for you.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCoverage belongs to the original retail buyer who owns the vehicle the part was first installed on.\u003c\/li\u003e\n\u003cli\u003eICON parts must go on as the complete kit shown in ICON's application guide. Swapping out or leaving off a required part voids the warranty.\u003c\/li\u003e\n\u003cli\u003eICON repairs or replaces a defective part, at its discretion. Removal, reinstallation, freight and incidental or consequential costs are not covered, and parts that wear in normal use are not treated as defective.\u003c\/li\u003e\n\u003cli\u003eNot covered: finish (including finish marks from shipping), alterations or modifications, installation that departs from ICON's instructions, racing use, police, taxi, government or commercial vehicles, and sales outside the United States and Canada.\u003c\/li\u003e\n\u003cli\u003eTo claim, contact us first with your order number and a short description of the problem. We open the claim with ICON for you, and your Prestige Truck receipt is the proof of purchase ICON asks for.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eFree shipping.\u003c\/strong\u003e Ships free to the lower 48 states, with no minimum order.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eOrder by 5 PM ET on a business day and it starts processing the same day.\u003c\/li\u003e\n\u003cli\u003eMost orders arrive within 1-5 business days.\u003c\/li\u003e\n\u003cli\u003eWe email your tracking number as soon as it ships.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eInspect on delivery.\u003c\/strong\u003e Check every leaf, spring eye, center pin and the hardware bag as soon as the carton arrives, and photograph any damage right away, before you install anything. Check it as soon as it arrives.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eLook for crushed ends, punctures or tears in the carton.\u003c\/li\u003e\n\u003cli\u003eIf something looks wrong, take photos of the box and the parts (and if a driver asks you to sign, note the damage on the receipt).\u003c\/li\u003e\n\u003cli\u003eOpen the box and check the parts against the parts list before you install.\u003c\/li\u003e\n\u003cli\u003eEmail \u003ca href=\"mailto:support@prestigetruck.com\"\u003esupport@prestigetruck.com\u003c\/a\u003e right away with your order number, a short note and photos. We send a replacement or a full refund at no cost to you.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e30-day returns.\u003c\/strong\u003e Return it within 30 days of delivery, unused, in the original packaging, with proof of purchase.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eEmail \u003ca href=\"mailto:support@prestigetruck.com\"\u003esupport@prestigetruck.com\u003c\/a\u003e with your order number. We reply within 1-2 business days with instructions.\u003c\/li\u003e\n\u003cli\u003eDamaged, defective or wrong item: we send a prepaid label or arrange a pickup.\u003c\/li\u003e\n\u003cli\u003eChanged your mind: you pay return shipping. No restocking fee.\u003c\/li\u003e\n\u003cli\u003eRefunds go back to your original payment method within 7 business days of approval. See our \u003ca href=\"https:\/\/prestigetruck.com\/policies\/refund-policy\"\u003ereturns policy\u003c\/a\u003e.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eAbout ICON Vehicle Dynamics\u003c\/h3\u003e\n\u003cdiv style=\"display:flex;flex-wrap:wrap;gap:24px;align-items:flex-start;margin:6px 0 4px;\"\u003e\n\u003cdiv style=\"flex:0 0 150px;max-width:150px;border:2px solid #14161a;padding:12px 8px;text-align:center;font:700 22px\/1.1 Rajdhani,'Arial Narrow',sans-serif;letter-spacing:.06em;color:#14161a;\"\u003eICON\u003cspan style=\"color:#ba232a;\"\u003e.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex:1 1 340px;min-width:240px;\"\u003e\n\u003cp\u003eICON Vehicle Dynamics designs and builds performance suspension for trucks and SUVs at its shop in Riverside, California. Engineering is led by Dylan Evans, its head engineer and a SCORE champion driver, and ICON tests its parts on the street, on the trail and under race conditions.\u003c\/p\u003e\n\u003cp\u003eICON's engineers begin with the result they want from a vehicle, then study the forces acting on it in motion, which is where the name Vehicle Dynamics comes from. Fabrication stays in ICON's own shop, from laser cutting and metal forming to CNC machining, welding and final assembly. ICON calls its suspension systems and shock absorbers the top choice for popular trucks and SUVs.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background:#faf7f7;border-left:4px solid #ba232a;border-radius:0 8px 8px 0;padding:14px 16px;margin:16px 0 0;\"\u003e\u003cp style=\"margin:0;\"\u003e\u003cstrong\u003eAuthorized ICON Vehicle Dynamics dealer.\u003c\/strong\u003e Prestige Truck is an authorized ICON Vehicle Dynamics dealer, so every ICON part we sell is new and genuine. ICON's warranty is for the original retail buyer, on the vehicle the part was first installed on. Keep your Prestige Truck order receipt: we use it when we take a claim to ICON for you.\u003c\/p\u003e\u003c\/div\u003e","brand":"ICON Vehicle Dynamics","offers":[{"title":"Default Title","offer_id":67828914749684,"sku":"168507","price":408.05,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0805\/4784\/0244\/files\/icon-leaf-springs-1fdc27d7.jpg?v=1792298208","url":"https:\/\/prestigetruck.com\/products\/icon-leaf-spring-expansion-pack-2008-2026-ford-f-250-f-350-super-duty-168507","provider":"Prestige Truck","version":"1.0","type":"link"}