{"product_id":"qa1-71-76-gm-b-body-12-250-kit-rear-pro-coil-d-adj","title":"QA1 71-76 GM B-Body 12-250 Kit Rear Pro-Coil D-Adj","description":"\u003cp\u003e\u003cstrong\u003eSKU:\u003c\/strong\u003e \u003cspan itemprop=\"sku\"\u003eRCK52364\u003c\/span\u003e | \u003cstrong\u003eUPC:\u003c\/strong\u003e 806990168764\u003c\/p\u003e\n\n\u003ch4\u003e\u003cstrong\u003eQA1 71-76 GM B-Body 12-250 Kit Rear Pro-Coil D-Adj\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003eThis QA1 RCK52364 kit upgrades 1971-1976 Chevrolet Impala and Caprice B-Body models to rear Pro-Coil double adjustable coilovers with 250 lb\/in springs. Bolt-in design replaces leaf springs for precise ride height adjustment from 0.5 inch above stock to 2.25 inches below stock and dual valving for compression and rebound damping. Gain improved handling, wheel fitment up to 28-inch tires, and daily drivability on street cars, hot rods, or Donks.\u003c\/p\u003e\n\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDouble Adjustable Valving:\u003c\/strong\u003e 16-position compression and 24-position rebound adjustments tune firmness or softness for track performance or street comfort in seconds without tools.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdjustable Ride Height:\u003c\/strong\u003e Threaded spring perch sets rear height from stock to 2.25 inches drop, fitting big wheels and custom stance with 2-inch front compatibility.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBolt-In Installation:\u003c\/strong\u003e Complete kit includes upper and lower mounts, hardware, and Pro Coil assemblies for direct fit on factory 12-bolt housings or Quick Performance 9-inch axles.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e250 lb\/in Springs:\u003c\/strong\u003e Progressive rate coil springs deliver balanced load support and progressive response for B-Body weight distribution.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLimited Lifetime Warranty:\u003c\/strong\u003e Backed by QA1 quality for long-term reliability on drag, street, or circle track use, made in USA.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eProduct Notes\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eWorks with factory rear housings or Quick Performance 9-inch axles, sold as a pair.\u003c\/li\u003e\n\u003cli\u003ePair with QA1 front coilovers for full adjustable suspension setup.\u003c\/li\u003e\n\u003cli\u003eShips ready-to-install with all brackets and hardware included.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eProfessional installation recommended.\u003c\/li\u003e\n\u003cli\u003eRemove factory leaf springs and mounts, torque to QA1 specs provided in instructions.\u003c\/li\u003e\n\u003cli\u003eCompatible with stock control arms and exhaust, verify clearance for 28-inch wheels.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eThis Part Fits\u003c\/h4\u003e\n\u003ctable border=\"1\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eYear\u003c\/th\u003e\n\u003cth\u003eMake\u003c\/th\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003cth\u003eSubmodel\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e1971-1972\u003c\/td\u003e\n\u003ctd\u003eChevrolet\u003c\/td\u003e\n\u003ctd\u003eCaprice\u003c\/td\u003e\n\u003ctd\u003eBase\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1973-1976\u003c\/td\u003e\n\u003ctd\u003eChevrolet\u003c\/td\u003e\n\u003ctd\u003eCaprice\u003c\/td\u003e\n\u003ctd\u003eClassic\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1976\u003c\/td\u003e\n\u003ctd\u003eChevrolet\u003c\/td\u003e\n\u003ctd\u003eCaprice\u003c\/td\u003e\n\u003ctd\u003eClassic Estate\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1976\u003c\/td\u003e\n\u003ctd\u003eChevrolet\u003c\/td\u003e\n\u003ctd\u003eCaprice\u003c\/td\u003e\n\u003ctd\u003eClassic Landau\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1975-1976\u003c\/td\u003e\n\u003ctd\u003eChevrolet\u003c\/td\u003e\n\u003ctd\u003eCaprice\u003c\/td\u003e\n\u003ctd\u003eClassic Sport\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1973-1974\u003c\/td\u003e\n\u003ctd\u003eChevrolet\u003c\/td\u003e\n\u003ctd\u003eCaprice\u003c\/td\u003e\n\u003ctd\u003eEstate\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1971-1976\u003c\/td\u003e\n\u003ctd\u003eChevrolet\u003c\/td\u003e\n\u003ctd\u003eImpala\u003c\/td\u003e\n\u003ctd\u003eBase\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1975-1976\u003c\/td\u003e\n\u003ctd\u003eChevrolet\u003c\/td\u003e\n\u003ctd\u003eImpala\u003c\/td\u003e\n\u003ctd\u003eCustom\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1976\u003c\/td\u003e\n\u003ctd\u003eChevrolet\u003c\/td\u003e\n\u003ctd\u003eImpala\u003c\/td\u003e\n\u003ctd\u003eCustom Landau\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1976\u003c\/td\u003e\n\u003ctd\u003eChevrolet\u003c\/td\u003e\n\u003ctd\u003eImpala\u003c\/td\u003e\n\u003ctd\u003eS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1975-1976\u003c\/td\u003e\n\u003ctd\u003eChevrolet\u003c\/td\u003e\n\u003ctd\u003eImpala\u003c\/td\u003e\n\u003ctd\u003eSport\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch4\u003eWhy Choose QA1?\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eOver 30 years leading in rod ends, spherical bearings, and suspension for racing markets.\u003c\/li\u003e\n\u003cli\u003e83,000 sq ft manufacturing in Lakeville, MN ensures American-made precision components.\u003c\/li\u003e\n\u003cli\u003eInnovative in-house carbon fiber and Pro Coil technology for motorsports reliability.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003e\u003cstrong\u003eFrequently Asked Questions\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQ:\u003c\/strong\u003e Does this kit fit factory rear ends on 71-76 Impala?\u003cbr\u003e\n      \u003cstrong\u003eA:\u003c\/strong\u003e Yes, direct bolt-in for OEM 12-bolt housings and Quick Performance 9-inch axles with provided mounts.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQ:\u003c\/strong\u003e What spring rate and adjustments are included?\u003cbr\u003e\n      \u003cstrong\u003eA:\u003c\/strong\u003e 250 lb\/in linear springs with double adjustable shocks offering 16 compression and 24 rebound positions.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQ:\u003c\/strong\u003e What is the warranty coverage?\u003cbr\u003e\n      \u003cstrong\u003eA:\u003c\/strong\u003e Limited lifetime warranty on coilovers against defects when installed and used per instructions.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eShipping \u0026amp; Handling\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMethod:\u003c\/strong\u003e UPS Ground or Freight for heavy items\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAvailability:\u003c\/strong\u003e In stock - ships same or next business day\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackaging:\u003c\/strong\u003e Ships in one box, 15 x 15 x 10 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 45 lbs product weight, 47 lbs shipping weight\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"QA1","offers":[{"title":"Default Title","offer_id":42803202326607,"sku":"QAPRCK52364","price":1049.95,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1062\/7920\/files\/qa1-71-76-gm-b-body-12-250-kit-rear-pro-coil-d-adj-qa1.jpg?v=1770331697","url":"https:\/\/www.blackopsautoworks.com\/products\/qa1-71-76-gm-b-body-12-250-kit-rear-pro-coil-d-adj","provider":"Black Ops Auto Works","version":"1.0","type":"link"}