{"title":"2020-2026 GM 2500HD\/3500HD 6.6L L5P Duramax Helper Springs","description":"\u003cdiv\u003e\n\u003cinput type=\"checkbox\" class=\"read-more-state\" id=\"post-1\"\u003e\n\u003cp class=\"read-more-wrap\"\u003e\u003cspan class=\"read-more-target\"\u003eEnsure your 2020-2026 GM 2500HD\/3500HD 6.6L Duramax can handle heavy loads with ease by adding on a set of helper springs from Alligator Performance. Designed to provide additional support to your truck’s suspension, helper springs reduce sag and improve load-carrying capacity, making them perfect for towing, hauling, or various off-road applications. These springs work by distributing the weight more evenly, improving both stability and ride quality under demanding conditions. Consider pairing your new helper springs with some upgrades \u003ca rel=\"noopener\" title=\"2020-2024 GM 2500HD\/3500HD 6.6L L5P Duramax Rear Shocks\" href=\"2020-2022-gm-duramax-66l-l5p-rear-shocks\" target=\"_blank\"\u003eRear Shocks\u003c\/a\u003e or a \u003ca rel=\"noopener\" title=\"2020-2024 GM 2500HD\/3500HD 6.6L L5P Duramax Sway Bars\" href=\"\/collections\/2020-2024-gm-2500hd-3500hd-66l-l5p-duramax-sway-bars\" target=\"_blank\"\u003eSway Bar\u003c\/a\u003e to further improve your GM 2500HD\/3500HD's hauling capabilities. \u003cspan class=\"headerspam\"\u003e\u003cstrong\u003eGM Duramax Fitments:\u003c\/strong\u003e 2020, 2021, 2022, 2023, 2024, 2025, 2026 GM 6.6L Duramax.\u003c\/span\u003e \u003cspan class=\"headerspam\"\u003e\u003cstrong\u003eSubmodel Fitments:\u003c\/strong\u003e WT, Custom, LT, LTZ, High Country, 1LT, 2LT, Pro, SLE, SLT, AT4, Denali.\u003c\/span\u003e \u003cspan class=\"headerspam\"\u003eSome exceptions apply, please see individual product pages for specific fitments.\u003c\/span\u003e \u003c\/span\u003e\u003c\/p\u003e\n\u003clabel for=\"post-1\" class=\"read-more-trigger\"\u003e\u003c\/label\u003e\n\u003c\/div\u003e","products":[{"product_id":"ssr-203-40-2-11-23-gm-sierrasilverado-2500hd3500hd-supersprings-3000lb-sumosprings","title":"SuperSprings SSR-203-40-2 3000lb Rear SumoSprings | 2011-2025 GM Silverado\/Sierra 2500HD\/3500HD","description":"\u003cp\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eHandles up to 3000lb load at 50% compression\u003c\/li\u003e\n\u003cli\u003eMade from patented micro-cellular urethane\u003c\/li\u003e\n\u003cli\u003eSold as a pair (left and right)\u003c\/li\u003e\n\u003cli\u003eSimple installation\u003c\/li\u003e\n\u003cli\u003eMaintenance free\u003c\/li\u003e\n\u003cli\u003eIncludes hardware \u0026amp; instructions\u003c\/li\u003e\n\u003cli\u003eLimited Lifetime Warranty\u003c\/li\u003e\n\u003cli\u003eMade in the USA\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eEnhanced Suspension Performance and Control\u003c\/h4\u003e\n\u003cp\u003eSuffering from sag and rear sway is a always a possibility when your Sierra\/Silverado is loaded down, even if you haven't quite reached the manufacturer's GVWR or GCWR. While many times your GM truck is more than capable of holding its own, rear sag and sway can cause a number of problems when you're out and about. Luckily for you, the solution is made simple with the SuperSprings 3000lb Rear SumoSprings as they were specifically engineered to improve the overall control and comfort of your ride by holding up to 3000 pounds of the load at 50% compression. Additionally, the enhanced load-carrying capabilities of these SumoSprings allow for full memory rebound up to 70% compression and are designed to never leak or rupture. The durability of the SumoSprings come from the patented micro-cellular urethane construction, which provides a smooth and progressive spring rate without the requirement of airlines or compressors. Take your adventures to the next level by picking up a set of the SumoSprings today!\u003c\/p\u003e\n\u003ch4\u003ePremium Construction \u0026amp; Simple Installation\u003c\/h4\u003e\n\u003cp\u003eSuperSprings designed their premium 3000lb Rear SumoSprings using only premium materials and design processes to ensure a perfect fit, form, and function on your 2011-2025 GM 6.6L Duramax. Made from patented micro-cellular urethane, these springs work by pushing up against the main spring to keep located on it's upper and lower perch. When the damper compresses, the SumoSpring fully compresses and becomes a solid base for the main spring to operate upon, all without affecting the main spring rate at all. When it comes to installation, the SumoSpring replaces the OEM bump-stop using a simple, bolt-on process that you can complete at home. SuperSprings includes all the necessary instructions and hardware required for installation and offers a Limited Lifetime Warranty to help keep your investment protected. SuperSprings are proudly made in the USA.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFitment:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025 Chevy Silverado\/GMC Sierra 2500HD\/3500HD\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eImportant Notes:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eThe Blue SumoSprings shouldn’t be compressed past 70% of their original height in order to keep full memory rebound\u003c\/li\u003e\n\u003cli\u003eFor lifted trucks, a spacer kit may be required to install this product. Please give us a call at \u003cstrong\u003e208-719-7400\u003c\/strong\u003e to see if your particular setup requires a kit before purchasing\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"SuperSprings","offers":[{"title":"Default Title","offer_id":49527244783900,"sku":"SSPSSR-203-40-2","price":631.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0738\/2279\/8108\/files\/SSPSSR-203-40-2_2011-23_20GM_20Sierra-Silverado_202500HD-3500HD_20SuperSprings_203000lb_20Rear_20SumoSprings00.webp?v=1722362117"},{"product_id":"ssr-203-47-2-11-23-gm-sierrasilverado-2500hd3500hd-supersprings-5000lb-rear-sumosprings","title":"SuperSprings SSR-203-47-2 5000lb Rear SumoSprings | 2011-2025 GM Silverado\/Sierra 2500HD\/3500HD","description":"\u003cp\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eHandles up to 5000lb load at 50% compression\u003c\/li\u003e\n\u003cli\u003eMade from patented micro-cellular urethane\u003c\/li\u003e\n\u003cli\u003eSold as a pair (left and right)\u003c\/li\u003e\n\u003cli\u003eSimple installation\u003c\/li\u003e\n\u003cli\u003eMaintenance free\u003c\/li\u003e\n\u003cli\u003eIncludes hardware \u0026amp; instructions\u003c\/li\u003e\n\u003cli\u003eLimited Lifetime Warranty\u003c\/li\u003e\n\u003cli\u003eMade in the USA\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eEnhanced Suspension Performance and Control\u003c\/h4\u003e\n\u003cp\u003eSuffering from sag and rear sway is a always a possibility when your Sierra\/Silverado is loaded down, even if you haven't quite reached the manufacturer's GVWR or GCWR. While many times your GM truck is more than capable of holding its own, rear sag and sway can cause a number of problems when you're out and about. Luckily for you, the solution is made simple with the SuperSprings 5000lb Rear SumoSprings as they were specifically engineered to improve the overall control and comfort of your ride by holding up to 5000 pounds of the load at 50% compression. Additionally, the enhanced load-carrying capabilities of these SumoSprings allow for full memory rebound up to 65% compression and are designed to never leak or rupture. The durability of the SumoSprings come from the patented micro-cellular urethane construction, which provides a smooth and progressive spring rate without the requirement of airlines or compressors. Take your adventures to the next level by picking up a set of the SumoSprings today!\u003c\/p\u003e\n\u003ch4\u003ePremium Construction \u0026amp; Simple Installation\u003c\/h4\u003e\n\u003cp\u003eSuperSprings designed their premium 5000lb Rear SumoSprings using only premium materials and design processes to ensure a perfect fit, form, and function on your 2011-2025 GM 6.6L Duramax. Made from patented micro-cellular urethane, these springs work by pushing up against the main spring to keep located on it's upper and lower perch. When the damper compresses, the SumoSpring fully compresses and becomes a solid base for the main spring to operate upon, all without affecting the main spring rate at all. When it comes to installation, the SumoSpring replaces the OEM bump-stop using a simple, bolt-on process that you can complete at home. SuperSprings includes all the necessary instructions and hardware required for installation and offers a Limited Lifetime Warranty to help keep your investment protected. SuperSprings are proudly made in the USA.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFitment:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025 Chevy Silverado\/GMC Sierra 2500HD\/3500HD\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eImportant Notes:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eThe Black SumoSprings shouldn’t be compressed past 65% of their original height in order to keep full memory rebound\u003c\/li\u003e\n\u003cli\u003eFor lifted trucks, a spacer kit may be required to install this product. Please give us a call at \u003cstrong\u003e208-719-7400\u003c\/strong\u003e to see if your particular setup requires a kit before purchasing\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"SuperSprings","offers":[{"title":"Default Title","offer_id":49527245013276,"sku":"SSPSSR-203-47-2","price":641.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0738\/2279\/8108\/files\/SSPSSR-203-47-2_2011-23_20GM_20Sierra-Silverado_202500HD-3500HD_20SuperSprings_205000lb_20Rear_20SumoSprings00.webp?v=1722362118"},{"product_id":"ssr-207-47-11-23-gm-sierrasilverado-2500hd3500hd-supersprings-1500lb-rear-sumosprings","title":"SuperSprings SSR-207-47 1500LB Rear SumoSprings | 2011-2023 GM Silverado\/Sierra 2500HD\/3500HD","description":"\u003cp\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eHandles up to 1500lb load at 50% compression\u003c\/li\u003e\n\u003cli\u003eMade from patented micro-cellular urethane\u003c\/li\u003e\n\u003cli\u003eSold as a pair (left and right)\u003c\/li\u003e\n\u003cli\u003eSimple installation\u003c\/li\u003e\n\u003cli\u003eMaintenance free\u003c\/li\u003e\n\u003cli\u003eIncludes hardware \u0026amp; instructions\u003c\/li\u003e\n\u003cli\u003eLimited Lifetime Warranty\u003c\/li\u003e\n\u003cli\u003eMade in the USA\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eEnhanced Suspension Performance and Control\u003c\/h4\u003e\n\u003cp\u003eSuffering from sag and rear sway is a always a possibility when your Sierra\/Silverado is loaded down, even if you haven't quite reached the manufacturer's GVWR or GCWR. While many times your GM truck is more than capable of holding its own, rear sag and sway can cause a number of problems when you're out and about. Luckily for you, the solution is made simple with the SuperSprings 1500lb Rear SumoSprings as they were specifically engineered to improve the overall control and comfort of your ride by holding up to 1500 pounds of the load at 50% compression. Additionally, the enhanced load-carrying capabilities of these SumoSprings allow for full memory rebound up to 65% compression and are designed to never leak or rupture. The durability of the SumoSprings come from the patented micro-cellular urethane construction, which provides a smooth and progressive spring rate without the requirement of airlines or compressors. Take your adventures to the next level by picking up a set of the SumoSprings today!\u003c\/p\u003e\n\u003ch4\u003ePremium Construction \u0026amp; Simple Installation\u003c\/h4\u003e\n\u003cp\u003eSuperSprings designed their premium 1500lb Rear SumoSprings using only premium materials and design processes to ensure a perfect fit, form, and function on your 2011-2023 GM 6.6L Duramax. Made from patented micro-cellular urethane, these springs work by pushing up against the main spring to keep located on it's upper and lower perch. When the damper compresses, the SumoSpring fully compresses and becomes a solid base for the main spring to operate upon, all without affecting the main spring rate at all. When it comes to installation, the SumoSpring replaces the OEM bump-stop using a simple, bolt-on process that you can complete at home. SuperSprings includes all the necessary instructions and hardware required for installation and offers a Limited Lifetime Warranty to help keep your investment protected. SuperSprings are proudly made in the USA.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFitment:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023 Chevy Silverado\/GMC Sierra 2500HD\/3500HD\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eImportant Notes:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eThe Black SumoSprings shouldn’t be compressed past 65% of their original height in order to keep full memory rebound\u003c\/li\u003e\n\u003cli\u003eFor lifted trucks, a spacer kit may be required to install this product. Please give us a call at \u003cstrong\u003e208-719-7400\u003c\/strong\u003e to see if your particular setup requires a kit before purchasing\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"SuperSprings","offers":[{"title":"Default Title","offer_id":49527245078812,"sku":"SSPSSR-207-47","price":252.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0738\/2279\/8108\/files\/SSPSSR-207-47_2011-23_20GM_20Sierra-Silverado_202500HD-3500HD_20SuperSprings_201500lb_20Rear_20SumoSprings00.webp?v=1722362119"},{"product_id":"ssa13-11-23-gm-sierrasilverado-2500hd3500hd-supersprings-self-adjusting-3000lb-helper-springs","title":"SuperSprings SSA13 Self-Adjusting 3000lb Helper Springs | 2011-2023 GM Silverado\/Sierra 2500HD\/3500HD","description":"\u003cp\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eImproves load handling and stability\u003c\/li\u003e\n\u003cli\u003ePrevents sag and body roll when loaded\u003c\/li\u003e\n\u003cli\u003eAdds up to 3000lbs of capacity\u003c\/li\u003e\n\u003cli\u003eHigh-strength steel construction\u003c\/li\u003e\n\u003cli\u003eSimple bolt-on installation\u003c\/li\u003e\n\u003cli\u003eLimited Lifetime Warranty\u003c\/li\u003e\n\u003cli\u003eMade in the USA!\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eImproves Load Handling \u0026amp; Stability when Towing \u0026amp; Hauling\u003c\/h4\u003e\n\u003cp\u003eEven though your 2011-2023 GM Sierra\/Silverado is a tried-and-true towing machine, you'll notice your truck starts to sag and experience instability issues long before you hit the GVWR or GCWR. To help win back some of the control and handling when your truck is loaded up with gear, pick up the SuperSprings Self-Adjusting 3000lb Helper Springs. This premium aftermarket spring kit consists of two leaf springs that attach directly to your stock springs using bolt-on shackles and gives you an additional 3000lbs of load capacity so you can continue tackling tough jobs without suffering from sag, sway or general instability. The SuperSprings Helper Springs are super easy to install and come with everything you need to get them up and running on your Sierra\/Silverado 2500HD\/3500HD.\u003c\/p\u003e\n\u003ch4\u003eHigh-Strength Construction \u0026amp; Warranty Info\u003c\/h4\u003e\n\u003cp\u003eSuperSprings designed their Self-Adjusting Springs using only premium materials and the latest design processes to ensure a perfect fit, form, and function on your ride. Each spring is made from high-strength steel that is then shot-peened to relieve stress and extend life of your truck's entire spring assembly. The hardcore construction of these units makes them strong enough to handle extreme and aggressive driving conditions, keeping you in control in every situation. Each one of these kits also comes standard with a polyurethane block that installs in the upper u-bolt bracket and allows the SuperSpring assembly to ride on top of your factory leaf pack with minimal amounts of NVH during normal operation. The SuperSprings Helper Springs come fitted with adjustable shackles that install around your stock leaf springs without the need for any cutting, drilling, or permanent modifications. SuperSprings includes the necessary hardware and instructions required for installation and backs this kit with a Limited Lifetime Warranty to help keep your investment protected.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFitment:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023 Chevy Silverado\/GMC Sierra 2500HD\/3500HD\u003cbr\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\u003eAdds up to 3000 lbs load capacity\u003c\/li\u003e\n\u003cli\u003eImproves stability when towing or hauling\u003c\/li\u003e\n\u003cli\u003eReduces sag, sway, and body roll\u003c\/li\u003e\n\u003cli\u003eSelf-adjusting design adapts to changing loads\u003c\/li\u003e\n\u003cli\u003eHigh-strength shot-peened steel construction\u003c\/li\u003e\n\u003cli\u003ePolyurethane block reduces noise and vibration\u003c\/li\u003e\n\u003cli\u003eAdjustable shackles for easy customization\u003c\/li\u003e\n\u003cli\u003eSimple bolt-on installation with included hardware\u003c\/li\u003e\n\u003cli\u003eNo cutting, drilling, or permanent mods required\u003c\/li\u003e\n\u003cli\u003eMade in the USA with premium materials\u003c\/li\u003e\n\u003cli\u003eBacked by a Limited Lifetime Warranty\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"SuperSprings","offers":[{"title":"Default Title","offer_id":49527245177116,"sku":"SSPSSA13","price":674.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0738\/2279\/8108\/files\/SSPSSA13_2011-23_20GM_20Sierra-Silverado_202500HD-3500HD_20SuperSprings_20Self-Adjusting_203000lb_20Helper_20Springs00.webp?v=1722362104"},{"product_id":"ssa160-11-23-gm-sierrasilverado-2500hd3500hd-supersprings-self-adjusting-1800lb-helper-springs","title":"SuperSprings SSA16 Self-Adjusting 1800lb Helper Springs | 2011-2023 GM Silverado\/Sierra 2500HD\/3500HD","description":"\u003cp\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eImproves load handling and stability\u003c\/li\u003e\n\u003cli\u003ePrevents sag and body roll when loaded\u003c\/li\u003e\n\u003cli\u003eAdds up to 1800lb of capacity\u003c\/li\u003e\n\u003cli\u003eHigh-strength steel construction\u003c\/li\u003e\n\u003cli\u003eSimple bolt-on installation\u003c\/li\u003e\n\u003cli\u003eLimited Lifetime Warranty\u003c\/li\u003e\n\u003cli\u003eMade in the USA!\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eImproves Load Handling \u0026amp; Stability when Towing \u0026amp; Hauling\u003c\/h4\u003e\n\u003cp\u003eEven though your 2011-2023 GM Sierra\/Silverado is a tried-and-true towing machine, you'll notice your truck starts to sag and experience instability issues long before you hit the GVWR or GCWR. To help win back some of the control and handling when your truck is loaded up with gear, pick up the SuperSprings Self-Adjusting 1800lb Helper Springs. This premium aftermarket spring kit consists of two leaf springs that attach directly to your stock springs using bolt-on shackles and gives you an additional 1800lbs of load capacity so you can continue tackling tough jobs without suffering from sag, sway or general instability. The SuperSprings Helper Springs are super easy to install and come with everything you need to get them up and running on your Sierra\/Silverado 2500HD\/3500HD.\u003c\/p\u003e\n\u003ch4\u003eHigh-Strength Construction \u0026amp; Warranty Info\u003c\/h4\u003e\n\u003cp\u003eSuperSprings designed their Self-Adjusting Springs using only premium materials and the latest design processes to ensure a perfect fit, form, and function on your ride. Each spring is made from high-strength steel that is then shot-peened to relieve stress and extend life of your truck's entire spring assembly. The hardcore construction of these units makes them strong enough to handle extreme and aggressive driving conditions, keeping you in control in every situation. Each one of these kits also comes standard with a polyurethane block that installs in the upper u-bolt bracket and allows the SuperSpring assembly to ride on top of your factory leaf pack with minimal amounts of NVH during normal operation. The SuperSprings Helper Springs come fitted with adjustable shackles that install around your stock leaf springs without the need for any cutting, drilling, or permanent modifications. SuperSprings includes the necessary hardware and instructions required for installation and backs this kit with a Limited Lifetime Warranty to help keep your investment protected.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFitment:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023 Chevy Silverado\/GMC Sierra 2500HD\/3500HD\u003cbr\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\u003eFits 2011-2023 Chevy Silverado\/GMC Sierra 2500HD\/3500HD\u003c\/li\u003e\n\u003cli\u003eAdds up to 1800 lbs of load support\u003c\/li\u003e\n\u003cli\u003eDoes not increase the truck’s factory GVWR\u003c\/li\u003e\n\u003cli\u003eSelf-adjusting design adapts to varying load conditions\u003c\/li\u003e\n\u003cli\u003ePolyurethane block reduces noise and vibration under load\u003c\/li\u003e\n\u003cli\u003eHigh-strength steel construction is shot-peened for durability\u003c\/li\u003e\n\u003cli\u003eAdjustable shackles allow tuning to load needs\u003c\/li\u003e\n\u003cli\u003eReplaces jounce stop and rides above factory leaf pack\u003c\/li\u003e\n\u003cli\u003eInstalls with included hardware, no cutting or drilling needed\u003c\/li\u003e\n\u003cli\u003eMade in the USA with premium materials\u003c\/li\u003e\n\u003cli\u003eBacked by a Limited Lifetime Warranty\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"SuperSprings","offers":[{"title":"Default Title","offer_id":49527245308188,"sku":"SSPSSA16","price":534.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0738\/2279\/8108\/files\/SSPSSA16_2011-23_20GM_20Sierra-Silverado_202500HD-3500HD_20SuperSprings_20Self-Adjusting_201800lb_20Helper_20Springs00.webp?v=1722362111"},{"product_id":"gmrtt35d-11-23-gm-sierrasilverado-25003500-timbren-severe-service-rear-suspension-helper","title":"Timbren GMRTT35D Severe Service Rear Suspension Helper | 2011-2023 GM Silverado\/Sierra 2500HD\/3500HD","description":"\u003cp\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eHelps level out loads\u003c\/li\u003e\n\u003cli\u003eProgressive spring rate\u003c\/li\u003e\n\u003cli\u003eEasy to use and maintain\u003c\/li\u003e\n\u003cli\u003eSimple bolt-on installation\u003c\/li\u003e\n\u003cli\u003eBacked by Lifetime Warranty\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eQuality Rear Suspension Helper with Progressive Spring Rate\u003c\/h4\u003e\n\u003cp\u003eIf you find yourself constantly using your 2011-2023 GM Sierra\/Silverado for aggressive towing and hauling applications, it's only a matter of time before your suspension starts to sag and squat under the constant pressure of your trailer and heavy loads. Timbren's rear suspension enhancement system is designed to enhance your existing suspension setup to support heavier trailers that teeter the edge of your truck's GVWR, helping reduce the overall stress on your truck's factory suspension components. It's important to note that this kit will not add to your truck's GVWR, but allows you to tow closer to the stock range by helping reduce the overall weight of the load. These premium units feature a progressive spring rate to give you consistent and reliable performance each time you get behind the wheel.\u003c\/p\u003e\n\u003ch4\u003eSimple Bolt-On Installation \u0026amp; Warranty Info\u003c\/h4\u003e\n\u003cp\u003eTimbren manufactured this kit using only premium materials and most advanced design techniques to ensure a perfect fit, form, and function on your 2011-2023 GM Sierra\/Silverado. These springs replace the jounce stop on the frame of your GM Duramax, giving you enhanced ride quality whether your rig is loaded or unloaded. To ensure overall improved ride quality, there should be a 1\/2†to 1-1\/2†gap between rubber spring and axle to give you the best of both worlds. These springs easily install to your truck's existing suspension setup using the included hardware and instructions provided by Timbren to make for a simple and straightforward process you can complete at home. Timbren backs this kit with a Limited Lifetime Warranty to help keep your investment protected.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFitment:\u003c\/strong\u003e 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023 GM Sierra\/Silverado 2500\/3500\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNotes:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eFits 2011-2023 Silverado\/Sierra 2500HD and 3500HD\u003c\/li\u003e\n\u003cli\u003eDesigned for heavy-duty towing and hauling support\u003c\/li\u003e\n\u003cli\u003eDoes not increase truck’s factory GVWR rating\u003c\/li\u003e\n\u003cli\u003eProgressive spring rate adapts to heavier loads\u003c\/li\u003e\n\u003cli\u003eReplaces factory jounce stop on frame\u003c\/li\u003e\n\u003cli\u003eMaintains ride comfort when truck is unloaded\u003c\/li\u003e\n\u003cli\u003eRecommended 0.5-1.5 inch gap to axle\u003c\/li\u003e\n\u003cli\u003eSimple bolt-on installation with included hardware\u003c\/li\u003e\n\u003cli\u003eCan be installed at home with basic tools\u003c\/li\u003e\n\u003cli\u003eConstructed from durable rubber for long service life\u003c\/li\u003e\n\u003cli\u003eBacked by Timbren’s Limited Lifetime Warranty\u003c\/li\u003e\n\u003cli\u003eCompatible with both 2WD and 4WD configurations\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Timbren","offers":[{"title":"Default Title","offer_id":49527245570332,"sku":"TIMGMRTT35D","price":398.07,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0738\/2279\/8108\/files\/TIMGMRTT35D_2011-23_20GM_20Sierra-Silverado_202500-3500_20Timbren_20Severe_20Service_20Rear_20Suspension_20Helper00.webp?v=1722356307"},{"product_id":"readylift-air-88-33200-load-leveling-helper-spring-kit-w-overload-springs-20-24-gm-25003500","title":"ReadyLift Air 88-33200 Load Leveling Helper Spring Kit with Overload Springs | 2020-2024 GM Silverado\/Sierra 2500HD\/3500HD","description":"\u003cp\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eEnhanced ride quality\u003c\/li\u003e\n\u003cli\u003eIncreases load stability\u003c\/li\u003e\n\u003cli\u003eSpecifically tuned for GM trucks\u003c\/li\u003e\n\u003cli\u003eImproved suspension travel\u003c\/li\u003e\n\u003cli\u003eLimited Lifetime Warranty\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eEnhances Stability and Capability\u003c\/h4\u003e\n\u003cp\u003eReadyLift Air has brought helper springs into the 21st century with their Load Leveling Helper Spring Kit with Overload Springs, which features LOGIQ technology. This advanced helper spring technology provides both excellent ride quality and load stability. Instead of using a 'one size fits all' approach to their helper springs, ReadyLift Air has specifically tuned their helper springs to maximize your GM truck's towing and hauling capacity. The Load Leveling Helper Spring Kit with Overload Springs also features increased suspension travel and retains factory bump stops. This is an excellent upgrade for your off-road adventures and enables you to travel with greater confidence. Get ReadyLift Air's Load Leveling Helper Spring Kit with Overload Springs and enhance your truck's ride quality, on-road stability, and off-road capability.\u003c\/p\u003e\n\u003ch4\u003eSimple Hassle-Free Installation\u003c\/h4\u003e\n\u003cp\u003eA hassle-free installation is a sign of an excellently designed component, with ReadyLift Air's Load Leveling Helper Spring Kit with Overload Springs you get just that. 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This advanced helper spring technology provides both excellent ride quality and load stability. Instead of using a 'one size fits all' approach to their helper springs, ReadyLift Air has specifically tuned their helper springs to maximize your GM truck's towing and hauling capacity. The Load Leveling Helper Spring Kit also features increased suspension travel and retains factory bump stops. This is an excellent upgrade for your off-road adventures and enables you to travel with greater confidence. Get ReadyLift Air's Load Leveling Helper Spring Kit and enhance your truck's ride quality, on-road stability, and off-road capability.\u003c\/p\u003e\n\u003ch4\u003eHassle-Free Installation\u003c\/h4\u003e\n\u003cp\u003eA hassle-free installation is a sign of an excellently designed component, with ReadyLift Air's Load Leveling Helper Spring Kit you get just that. Featuring a simple clamp around bracket design makes installation a breeze. 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