{"product_id":"qa1-78-88-gm-g-body-73-77-a-body-upper-adjustable-trailing-arms","title":"QA1 78-88 GM G-Body\/73-77 A-Body Upper Adjustable Trailing Arms","description":"\u003cp\u003e\u003cstrong\u003eSKU:\u003c\/strong\u003e \u003cspan itemprop=\"sku\"\u003e5247\u003c\/span\u003e | \u003cstrong\u003eUPC:\u003c\/strong\u003e 806990064530\u003c\/p\u003e\n\n\u003ch4\u003e\u003cstrong\u003eQA1 Upper Adjustable Trailing Arms for 1978-1988 GM G-Body \u0026amp; 1973-1977 GM A-Body\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003eQA1 Upper Adjustable Trailing Arms deliver precise control for 1978-1988 GM G-Body and 1973-1977 GM A-Body vehicles with factory rear end housings. Built from high-strength tubular steel with zinc-plated and anodized finish, they reduce axle flex and suspension bind for improved handling and traction on street or track. On-car adjustability allows quick pinion angle tuning without removal.\u003c\/p\u003e\n\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeavy-Duty Construction:\u003c\/strong\u003e High-strength tubular steel with zinc-plated and anodized finish eliminates axle flex and maintains precise alignment for stable handling in daily or performance driving.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePinion Angle Adjustment:\u003c\/strong\u003e Double-adjustable aluminum hex design enables on-vehicle tuning by loosening jam nuts, reducing drivetrain wear, wheel hop, and improving traction over fixed arms.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReduced Suspension Bind:\u003c\/strong\u003e Spherical ball or rod end assembly with UHMW polyethylene bushings at chassis end and fluted greasable polyurethane bushings at differential end for smoother travel and better tire contact.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBolt-In Installation:\u003c\/strong\u003e Direct replacement with all hardware included, no modifications needed for fast setup on compatible GM models.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMade in USA:\u003c\/strong\u003e Precision engineered in Lakeville, Minnesota, with durable components for long-term reliability.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eProduct Notes\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eDesigned for vehicles with factory rear end housings only.\u003c\/li\u003e\n\u003cli\u003eGrease bushings regularly for peak performance and longevity.\u003c\/li\u003e\n\u003cli\u003ePackage weight 9 lbs. dimensions 20 × 5 × 4 inches.\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\u003eBolt-in design fits directly. no welding or fabrication required.\u003c\/li\u003e\n\u003cli\u003eIncludes all hardware and detailed installation guide.\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\u003e1973-1977\u003c\/td\u003e\n\u003ctd\u003eBuick\u003c\/td\u003e\n\u003ctd\u003eCentury\u003c\/td\u003e\n\u003ctd\u003eBase\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1973-1977\u003c\/td\u003e\n\u003ctd\u003eBuick\u003c\/td\u003e\n\u003ctd\u003eCentury\u003c\/td\u003e\n\u003ctd\u003eCustom\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1980-1981\u003c\/td\u003e\n\u003ctd\u003eBuick\u003c\/td\u003e\n\u003ctd\u003eCentury\u003c\/td\u003e\n\u003ctd\u003eEstate\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1973-1987\u003c\/td\u003e\n\u003ctd\u003eBuick\u003c\/td\u003e\n\u003ctd\u003eRegal\u003c\/td\u003e\n\u003ctd\u003eBase\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1973-1987\u003c\/td\u003e\n\u003ctd\u003eBuick\u003c\/td\u003e\n\u003ctd\u003eRegal\u003c\/td\u003e\n\u003ctd\u003eCustom\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1987\u003c\/td\u003e\n\u003ctd\u003eBuick\u003c\/td\u003e\n\u003ctd\u003eRegal\u003c\/td\u003e\n\u003ctd\u003eGNX\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1984-1987\u003c\/td\u003e\n\u003ctd\u003eBuick\u003c\/td\u003e\n\u003ctd\u003eRegal\u003c\/td\u003e\n\u003ctd\u003eGrand National\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1973-1977\u003c\/td\u003e\n\u003ctd\u003eChevrolet\u003c\/td\u003e\n\u003ctd\u003eChevelle\u003c\/td\u003e\n\u003ctd\u003eDeluxe\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1973-1987\u003c\/td\u003e\n\u003ctd\u003eChevrolet\u003c\/td\u003e\n\u003ctd\u003eEl Camino\u003c\/td\u003e\n\u003ctd\u003eBase\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1973-1987\u003c\/td\u003e\n\u003ctd\u003eChevrolet\u003c\/td\u003e\n\u003ctd\u003eEl Camino\u003c\/td\u003e\n\u003ctd\u003eSS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1973-1975\u003c\/td\u003e\n\u003ctd\u003eChevrolet\u003c\/td\u003e\n\u003ctd\u003eLaguna\u003c\/td\u003e\n\u003ctd\u003eBase\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1973-1981\u003c\/td\u003e\n\u003ctd\u003eChevrolet\u003c\/td\u003e\n\u003ctd\u003eMalibu\u003c\/td\u003e\n\u003ctd\u003eBase\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1973-1988\u003c\/td\u003e\n\u003ctd\u003eChevrolet\u003c\/td\u003e\n\u003ctd\u003eMonte Carlo\u003c\/td\u003e\n\u003ctd\u003eBase\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1981-1987\u003c\/td\u003e\n\u003ctd\u003eGMC\u003c\/td\u003e\n\u003ctd\u003eCaballero\u003c\/td\u003e\n\u003ctd\u003eBase\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1973-1977\u003c\/td\u003e\n\u003ctd\u003eGMC\u003c\/td\u003e\n\u003ctd\u003eSprint\u003c\/td\u003e\n\u003ctd\u003eBase\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1973-1987\u003c\/td\u003e\n\u003ctd\u003eOldsmobile\u003c\/td\u003e\n\u003ctd\u003eCutlass\u003c\/td\u003e\n\u003ctd\u003eBase\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1973-1981\u003c\/td\u003e\n\u003ctd\u003eOldsmobile\u003c\/td\u003e\n\u003ctd\u003eCutlass Supreme\u003c\/td\u003e\n\u003ctd\u003eBase\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1973-1987\u003c\/td\u003e\n\u003ctd\u003ePontiac\u003c\/td\u003e\n\u003ctd\u003eGrand Prix\u003c\/td\u003e\n\u003ctd\u003eBase\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1973-1981\u003c\/td\u003e\n\u003ctd\u003ePontiac\u003c\/td\u003e\n\u003ctd\u003eLeMans\u003c\/td\u003e\n\u003ctd\u003eBase\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1978-1987\u003c\/td\u003e\n\u003ctd\u003ePontiac\u003c\/td\u003e\n\u003ctd\u003eBonneville\u003c\/td\u003e\n\u003ctd\u003eBase\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 40 years in suspension engineering with a focus on performance parts.\u003c\/li\u003e\n\u003cli\u003eComponents built to withstand high-stress track and street use.\u003c\/li\u003e\n\u003cli\u003eEvery part precision-machined for exact fit and function.\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 fit my 1984 Buick Regal Grand National with factory rear?\u003cbr\u003e\n      \u003cstrong\u003eA:\u003c\/strong\u003e Yes, designed specifically for 1978-1988 G-Body like Regal Grand National with factory rear end housing.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQ:\u003c\/strong\u003e What materials are used in the bushings and bearings?\u003cbr\u003e\n      \u003cstrong\u003eA:\u003c\/strong\u003e UHMW polyethylene bushings at chassis end, fluted greasable polyurethane at differential end, with spherical rod ends for low friction.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQ:\u003c\/strong\u003e Is warranty coverage provided?\u003cbr\u003e\n      \u003cstrong\u003eA:\u003c\/strong\u003e QA1 offers limited lifetime warranty on manufacturing defects. contact manufacturer for details.\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 FedEx\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 Secure box measuring 20 × 5 × 4 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 9 lbs\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"QA1","offers":[{"title":"Default Title","offer_id":43511731388495,"sku":"QAP5247","price":374.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1062\/7920\/files\/qa1-78-88-gm-g-body73-77-a-body-upper-adjustable-trailing-arms-qa1.jpg?v=1770331826","url":"https:\/\/www.blackopsautoworks.com\/products\/qa1-78-88-gm-g-body-73-77-a-body-upper-adjustable-trailing-arms","provider":"Black Ops Auto Works","version":"1.0","type":"link"}