{"product_id":"retrue-rear-air-bag-kit-for-silverado-sierra-2500hd-3500hd-2011-2026-adjustable-5-100psi-5-000-lb","title":"RETRUE Rear Air Bag Kit for Silverado\/Sierra 2500HD-3500HD (2011–2026) Adjustable 5–100psi, 5,000 lb","description":"\u003cp\u003e\u003cstrong\u003eRETRUE Rear Air Bags Suspension Kit is a direct-fit rear air-ride replacement designed to level, stabilize, and increase load capacity for 2011–2026 Chevrolet Silverado and GMC Sierra 2500HD\/3500HD trucks.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eWhen you tow, haul, or carry heavy cargo, a purpose-built air suspension kit can keep your truck level, reduce sway, and preserve factory ride quality. This kit from RETRUE is engineered as a bolt-in upgrade that mirrors the fitment of popular OEM-style systems, offering an adjustable air spring solution that works with both 2WD and 4WD models across a wide model-year range.\u003c\/p\u003e\n\n\u003ch3\u003eHow does this kit improve stability and ride comfort?\u003c\/h3\u003e\n\u003cp\u003eThe RETRUE rear air bag kit raises spring rate progressively as you add air pressure, so the truck stays level under load and resists bottoming out. That control reduces rear sag and body roll without making the unloaded ride harsh. Users get better weight distribution and fewer cabin vibrations when hauling heavy payloads.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eAdjustable air pressure from 5 to 100 psi for tailored spring rates\u003c\/li\u003e\n  \u003cli\u003eSupports up to 5,000 lb of load-leveling capacity\u003c\/li\u003e\n  \u003cli\u003eSmoother ride with reduced shock transfer under load\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill installation require drilling or complicated fabrication?\u003c\/h3\u003e\n\u003cp\u003eNo drilling is required for standard installations — the kit comes with pre-drilled mounting points and labeled hardware to simplify the process. Clear instructions are included so a DIY enthusiast with basic tools can complete the job, and installing with pneumatic or electric tools speeds the work further. Professional installation is still a good option for those who prefer it.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003ePre-drilled holes for bolt-on fitment — no frame drilling needed\u003c\/li\u003e\n  \u003cli\u003eComprehensive instructions and labeled parts included\u003c\/li\u003e\n  \u003cli\u003eFits both 2WD and 4WD Silverado\/Sierra 2500HD\/3500HD models (2011–2026)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow do I tune the system for towing or daily driving?\u003c\/h3\u003e\n\u003cp\u003eTuning is as simple as adjusting the air pressure to match payload and preference. Lower pressures maintain a softer unloaded ride; higher pressures raise the spring rate for hauling heavy loads. Because the kit covers a wide pressure range, you can quickly dial in front-to-rear balance and side-to-side level using a handheld gauge or inline valve.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003ePressure range: 5–100 psi for fine-grained adjustment\u003c\/li\u003e\n  \u003cli\u003eQuick changes via on-vehicle valves or a portable inflator\u003c\/li\u003e\n  \u003cli\u003eHelps maintain factory ride geometry and braking feel\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat components are included and how durable are they?\u003c\/h3\u003e\n\u003cp\u003eThe kit bundles air springs, brackets, mounting hardware, and valves sized for heavy-duty pickup applications. Materials and construction are chosen to withstand exposure, repeated inflation cycles, and the loads expected on 2500\/3500 trucks. RETRUE positions this kit as a direct replacement for common aftermarket air systems so you get compatible, long-lasting parts.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eComplete rear air bag set with brackets and mounting hardware\u003c\/li\u003e\n  \u003cli\u003eCorrosion-resistant components designed for road use\u003c\/li\u003e\n  \u003cli\u003eCompatible with previous Firestone Ride-Rite 2613-style fitments\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: Owners of 2011–2026 Chevrolet Silverado 2500HD and 3500HD or GMC Sierra 2500HD and 3500HD who need a reliable, adjustable rear suspension solution for towing, hauling, or improved ride control. This kit appeals to DIY installers wanting a bolt-in system and to fleet or heavy-use drivers seeking repeatable load-leveling performance without extensive vehicle modification.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is this RETRUE kit compatible with 4WD Silverado 3500HD?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. The kit fits 2011–2026 Chevrolet Silverado and GMC Sierra 2500HD\/3500HD in both 2WD and 4WD configurations.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Do I need to drill my truck frame to install it?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: No drilling is required; the kit uses pre-drilled mounting holes for a straightforward bolt-on installation.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"RETRUE","offers":[{"title":"Default Title","offer_id":55170766602583,"sku":"B0D5W662ZT","price":308.24,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1050\/1524\/7191\/files\/retrue-front-packaging.jpg?v=1790433697","url":"https:\/\/britishgarage.co.uk\/products\/retrue-rear-air-bag-kit-for-silverado-sierra-2500hd-3500hd-2011-2026-adjustable-5-100psi-5-000-lb","provider":"British Garage","version":"1.0","type":"link"}