{"product_id":"hellwig-helper-spring-kit-9645","title":"Hellwig Helper Spring Kit (MPN: 9645)","description":"\u003ch2\u003eEnhance load capacity with advanced leaf spring technology.\u003c\/h2\u003e\r\n\u003cp\u003eThe Hellwig Helper Spring Kit is engineered to improve the load carrying capacity of full-size pickup trucks and vans. This kit features a leaf spring design that utilizes heat treated ASTM 5160 alloy spring steel, ensuring increased spring rate and stability under heavy loads. The innovative progressive spring rate design activates only when the vehicle is loaded, providing a tailored response to varying load conditions. Alternatively, the fulltime spring rate design offers immediate resistance to loads, enhancing vehicle stability without significant compression.\u003c\/p\u003e\r\n\u003cp\u003eWith a level load capacity of 3500 pounds, this helper spring kit is designed to meet the demands of heavy-duty applications. The simple bolt-on installation process allows for easy setup using common hand tools, making it accessible for both professional installers and DIY enthusiasts. The kit is compatible with 2-1\/2 inch or 3 inch wide leaf springs and is built to maximize the vehicle's Gross Vehicle Weight Rating. This product is a reliable solution for those seeking to enhance their vehicle's performance and load management capabilities.\u003c\/p\u003e\r\n\u003ch3\u003eFeatures\u003c\/h3\u003e\r\n\u003cul\u003e\r\n    \u003cli\u003eManufactured With Heat Treated ASTM 5150 Alloy Spring Steel. Increased Spring Rate And Stability\u003c\/li\u003e\r\n    \u003cli\u003eHeavier Loads\u003c\/li\u003e\r\n    \u003cli\u003e4 Leaf Stack\u003c\/li\u003e\r\n    \u003cli\u003e3500 Pounds Level Load Capacity\u003c\/li\u003e\r\n    \u003cli\u003eAvailable In Progressive Or Constant Rate\u003c\/li\u003e\r\n    \u003cli\u003eOffers The Maximum In Carrying Capacity\u003c\/li\u003e\r\n    \u003cli\u003eSimple Bolt-On Design Using Common Hand Tools Provide The Installer Ease Of Installation And The Vehicle Owner Hassle Free Use\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\r\n\u003cul\u003e\r\n    \u003cli\u003eManufacturer: Hellwig\u003c\/li\u003e\r\n    \u003cli\u003eManufacturer Part Number: 9645\u003c\/li\u003e\r\n    \u003cli\u003eType: Leaf Spring\u003c\/li\u003e\r\n    \u003cli\u003eLoad Capacity: 3500 Pound\u003c\/li\u003e\r\n    \u003cli\u003eWith Air Compressor: No\u003c\/li\u003e\r\n    \u003cli\u003eColor: Black\u003c\/li\u003e\r\n    \u003cli\u003ePressure Range: Not Applicable\u003c\/li\u003e\r\n    \u003cli\u003eMaterial: Steel\u003c\/li\u003e\r\n    \u003cli\u003eMounting Type: Axle Mount\u003c\/li\u003e\r\n    \u003cli\u003eWith Bellows: No\u003c\/li\u003e\r\n    \u003cli\u003eWith Air Line: No\u003c\/li\u003e\r\n    \u003cli\u003eWith Roll Plate: No\u003c\/li\u003e\r\n    \u003cli\u003eWith Valve: No\u003c\/li\u003e\r\n    \u003cli\u003eRemote Type: Not Applicable\u003c\/li\u003e\r\n    \u003cli\u003eWith Mounting Hardware: No\u003c\/li\u003e\r\n    \u003cli\u003eEstimated Install Time (Hours): 1\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\u003ch3\u003eCompatibility \/ Fit\u003c\/h3\u003e\r\n\u003cul\u003e\r\n    \u003cli\u003e2000-2002 Ford E-450 Econoline Super Duty\u003c\/li\u003e\r\n    \u003cli\u003e2003-2003 Ford E-450 Super Duty\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\u003ch3\u003eTechnical Documents\u003c\/h3\u003e\n\u003cul\u003e\r\n    \u003cli\u003e\u003ca href=\"https:\/\/vehiclepartimages.com\/PMDT\/HWG\/InstallationInstructions\/135000096.pdf\" target=\"_blank\"\u003e135000096.pdf\u003c\/a\u003e\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\u003ch3\u003eProduct Videos\u003c\/h3\u003e\n\u003cp\u003e\u003ciframe src=\"https:\/\/vehiclepartimages.com\/PMDT\/HWG\/Videos\/How%20Helper%20Springs%20Work.mp4?autoplay=0\" loading=\"lazy\" style=\"max-width: 560px; width: 100%; aspect-ratio: 560\/360;\" frameborder=\"0\" allow=\"accelerometer; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share; fullscreen\" allowfullscreen\u003e\u003c\/iframe\u003e\u003c\/p\u003e\r\n","brand":"NTP-Stag","offers":[{"title":"Default Title","offer_id":47922583175407,"sku":"H639645","price":1425.75,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1583\/3619\/files\/ImageServerAPI_202834d6-ad84-4c85-b1f0-ccc2fb5e8315.jpg?v=1773023125","url":"https:\/\/www.sprinterpartsdepot.com\/products\/hellwig-helper-spring-kit-9645","provider":"Sprinter Parts Depot","version":"1.0","type":"link"}