{"product_id":"hellwig-helper-spring-kit-9640","title":"Hellwig Helper Spring Kit (MPN: 9640)","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. With a load capacity of 3500 pounds, this spring kit is designed to meet the demands of both progressive and constant rate applications, providing versatility for various loading conditions.\u003c\/p\u003e\r\n\u003cp\u003eThe progressive spring rate design activates as the vehicle load increases, allowing for a smooth transition in resistance. In contrast, the fulltime spring rate design reacts immediately to the load, ensuring minimal compression under weight. This dual functionality makes the Hellwig spring a reliable choice for enhancing vehicle performance.\u003c\/p\u003e\r\n\u003cp\u003eInstallation is straightforward with a simple bolt-on design that requires common hand tools, allowing for quick setup without the need for specialized equipment. The kit is compatible with 2-1\/2 inch or 3 inch wide leaf springs, making it a versatile option for many vehicle models. The Hellwig Helper Spring Kit is a practical solution for those seeking to maximize their vehicle's load capacity while maintaining stability and control.\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: 9640\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":47922582159599,"sku":"H639640","price":1416.09,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1583\/3619\/files\/ImageServerAPI_a2bf2012-dc0d-4aba-9fee-6bc5f3642156.jpg?v=1773023124","url":"https:\/\/www.sprinterpartsdepot.com\/products\/hellwig-helper-spring-kit-9640","provider":"Sprinter Parts Depot","version":"1.0","type":"link"}