{"product_id":"pacbrake-alpha-sd-rear-air-suspension-kit-07-18-gm-1500-hp10144","title":"Pacbrake Alpha SD Rear Air Springs | 07-18 GM 1500","description":"\u003ch2\u003ePacbrake Alpha SD Rear Air Suspension Helper Springs Kit for 2007-2018 Chevy Silverado \u0026amp; GMC Sierra 1500\u003c\/h2\u003e\n\u003cp\u003eEliminate rear-end sag, trailer sway, and harsh bottoming out when hauling heavy cargo with the Pacbrake Alpha SD Rear Air Suspension Kit. Transporting heavy bed payloads, slide-in campers, or high-tongue-weight trailers places immense stress on stock rear leaf springs, leading to compromised front-wheel steering control and extended braking distances. Engineered with heavy-duty double-bellows air springs featuring durable composite end caps, this air bag kit delivers up to 5,000 lbs of load-leveling assistance.\u003c\/p\u003e\n\u003cp\u003eAccording to SEMA chassis engineering standards, supplemental air helper springs maintain vehicle levelness, keeping headlights properly aimed while maximizing front tire contact patch under load. Built to withstand freeze-thaw cycles, sub-zero road salt spray, and rough off-road washboards, Pacbrake Alpha SD springs feature independent pneumatic inflation lines to easily level off-center loads with confidence.\u003c\/p\u003e\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eLoad Leveling Capacity\u003c\/td\u003e\n\u003ctd\u003eUp to 5,000 lbs (2,268 kg) Dual Leveling\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAir Spring Style\u003c\/td\u003e\n\u003ctd\u003eDouble-Bellow Reinforced Rubber\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEnd Cap Construction\u003c\/td\u003e\n\u003ctd\u003eUltra-Durable Composite End Caps\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBracket Material\u003c\/td\u003e\n\u003ctd\u003eLaser-Cut Precision Steel with Powder-Coated Finish\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Pressure Range\u003c\/td\u003e\n\u003ctd\u003e5 PSI Minimum to 100 PSI Maximum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCountry of Origin\u003c\/td\u003e\n\u003ctd\u003eMade in Canada\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eManufacturer Part Number\u003c\/td\u003e\n\u003ctd\u003eHP10144\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003eVehicle Fitment\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eChevrolet Silverado 1500:\u003c\/strong\u003e 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGMC Sierra 1500:\u003c\/strong\u003e 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBed Length Fitment:\u003c\/strong\u003e Fits Short Box (5.8' \/ 69.3\") and Standard Box (6.5' \/ 78.7\") models ONLY.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFitment Exclusions:\u003c\/strong\u003e NOT compatible with Long Box (8.0' \/ 97.6\") beds. NOT compatible with models equipped with MagneRide electronic suspension systems. Excludes 2007 Classic edition old body style trucks.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eInstallation Notes\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eDirect bolt-on installation using vehicle-specific mounting brackets; no frame drilling required.\u003c\/li\u003e\n\u003cli\u003eIncludes complete inflation kit with airlines, Schrader valves, steel mounting hardware, and installation guide.\u003c\/li\u003e\n\u003cli\u003eAlways maintain a minimum operating pressure of 5 PSI in the air springs at all times to prevent internal bag chafing or pinching.\u003c\/li\u003e\n\u003cli\u003eIndependent left and right air fill lines allow custom inflation pressures to compensate for asymmetrical cargo weight.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003ch3\u003eWill this kit fit an 8-foot long bed truck?\u003c\/h3\u003e\n\u003cp\u003eNo, this kit is specifically engineered for short (5.8') and standard (6.5') bed configurations. Long bed 8.0' models require a different frame mounting bracket kit.\u003c\/p\u003e\n\u003ch3\u003eCan I adjust each air spring independently?\u003c\/h3\u003e\n\u003cp\u003eYes, the system includes dual inflation lines so you can inflate each air bag to different pressures to level off-center payloads.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSKU:\u003c\/strong\u003e HP10144\u003c\/p\u003e","brand":"Pacbrake","offers":[{"title":"Default Title","offer_id":52778028171547,"sku":"FQCM_HP10144","price":529.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0863\/3165\/4427\/files\/pacbrake-alpha-sd-rear-air-suspension-kit-07-18-gm-1500-hp10144.jpg?v=1788702135","url":"https:\/\/4x4wavers.com\/fr\/products\/pacbrake-alpha-sd-rear-air-suspension-kit-07-18-gm-1500-hp10144","provider":"4X4 WAVERS","version":"1.0","type":"link"}