{"product_id":"carli-xxhd-leaf-spring-kit-2017-23-ford-f250-f350-3500-lbs-1in-lift","title":"Carli Xxhd Leaf Spring Kit - 2017-23 Ford F250\/F350 - +3500 Lbs - 1in Lift","description":"\u003cp\u003e\u003cstrong\u003eCarli Suspension\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch4\u003eCarli XXHD Leaf Spring Kit - 2017–2023 Ford F250\/F350 - +3500 lbs - 1\" Lift\u003c\/h4\u003e\n\u003cp\u003eThe Carli XXHD Full Replacement Leaf Spring Kit is engineered specifically for extreme constant-load applications, supporting trucks with a sustained 3,500 lb bed load. Designed primarily for cab-over campers and heavy-duty overland or rescue builds, this system delivers exceptional stability, control, and fully progressive suspension performance under heavy weight. These springs are not intended for unloaded use and require the full constant load to achieve proper ride height and functionality.\u003c\/p\u003e\n\u003cp\u003eOriginally developed for a professional off-road race rescue vehicle, this XXHD spring pack transforms your truck’s rear suspension into a high-capacity, travel-friendly system capable of handling serious weight with confidence. Due to the increased spring rate and elevated center of gravity, Carli strongly recommends pairing this kit with 2.5\" remote reservoir shocks and custom tuning for optimal ride quality and control.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eDesigned for constant 3,500 lb bed load applications\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eIdeal for cab-over campers, flatbeds, and overland builds\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eFull progressive, block-eliminating leaf spring pack\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eProvides approximately 1\" of lift at rated load\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eEnhances rear suspension travel and load stability\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eIncludes new U-bolts and rear bump stop drop spacers\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eSupports up to 37\" tire fitment\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eEngineered for high center of gravity applications\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eFitment:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e2017–2023 Ford F-250 4x4 (Diesel)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e2017–2023 Ford F-350 4x4 (Diesel)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eNotes:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eNot designed for unloaded driving conditions\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eRequires approximately 3,500 lbs constant load for proper ride height and performance\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eRecommended rear axle weight: ~6,500 lbs (verified on certified scale)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eCompatible with 3.5\"–4.0\" axle tube diameters\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eRecommended upgrade: Carli 2.5\" remote reservoir shocks with custom tuning\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eOriginally developed for heavy-duty off-road rescue and expedition builds\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eSKU:\u003c\/strong\u003e CS-FFSP-LVL-17-XXHD\u003c\/p\u003e","brand":"Carli","offers":[{"title":"Default Title","offer_id":44184779292714,"sku":"CLICS-FFSP-LVL-17-XXHD","price":2940.79,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0584\/8305\/files\/CS-FFSP_9f848460-e1f8-47d6-a81d-7b5cf4f9052c.jpg?v=1776257420","url":"https:\/\/fassmotorsports.com\/products\/carli-xxhd-leaf-spring-kit-2017-23-ford-f250-f350-3500-lbs-1in-lift","provider":"FASS Motorsports","version":"1.0","type":"link"}