{"product_id":"carli-add-a-pack-rear-leaf-springs-2017-23-ford-f250-f350-4x4-1in-lift","title":"Carli Add-A-Pack Rear Leaf Springs - 2017-23 Ford F250\/F350 4×4 - 1in Lift","description":"\u003cp\u003e\u003cstrong\u003eCarli Suspension\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch4\u003eCarli 17-26 Ford F250\/350 4X4 Progressive Add-A-Pack 1in Lift\u003c\/h4\u003e\n\u003cp\u003eThe Carli Progressive Add-A-Pack is a premium rear suspension upgrade designed to improve ride quality and rear spring performance on Super Duty trucks while maintaining factory load capacity. Built in the USA by Deaver Spring Manufacturing, this proprietary 6-leaf progressive pack replaces the harsh factory overload leaf with a smoother, more predictable spring rate.\u003c\/p\u003e\n\u003cp\u003eBy eliminating the abrupt engagement of the factory overload spring, this system dramatically improves ride comfort, traction, and control over medium to large bumps. The progressive design ensures smoother engagement and disengagement of the spring, making it an ideal pairing with Carli leveling systems while maintaining the truck’s intended load handling capability.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eBuilt in the USA by Deaver Leaf Spring\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eProprietary 6-leaf progressive spring design\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eReplaces factory overload leaf for improved ride quality\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eMaintains OEM load capacity\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eProvides approximately 1\/2\"–1\" rear lift\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eEliminates harsh rebound from factory overload spring\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eIncludes bump stop drops, U-bolts, and installation hardware\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eDesigned to pair with Carli leveling systems\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\u003eEliminates the factory overload leaf and replaces it with thinner progressive leaves\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eImproves ride quality and traction by smoothing spring engagement\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eRear may sit lower under heavy load but will ride significantly better\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eNot recommended for F-350 models due to stiffer factory main leaf pack\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eFor best ride quality, full replacement progressive leaf packs are recommended, especially for F-350\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eAirbag systems are recommended if maintaining load capacity is critical\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eLong travel airbags recommended for 4.5\"\/5.5\" systems\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eDisconnect-style airbags recommended for 2.5\"\/3.5\" systems to allow full suspension travel\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eVehicle Fitment:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e2017–2026 Ford F-250 Super Duty\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e2017–2026 Ford F-350 Super Duty\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eSKU:\u003c\/strong\u003e CS-FPAP-LVL-17\u003c\/p\u003e","brand":"Carli","offers":[{"title":"Default Title","offer_id":44184786370602,"sku":"CLICS-FPAP-LVL-17","price":1172.32,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0584\/8305\/files\/17-Ford-Add-a-Packs-2.5.jpg?v=1775752213","url":"https:\/\/fassmotorsports.com\/products\/carli-add-a-pack-rear-leaf-springs-2017-23-ford-f250-f350-4x4-1in-lift","provider":"FASS Motorsports","version":"1.0","type":"link"}