{"product_id":"qa1-gm-pro-front-coil-over-system-single-adj-10in-x-500lbs-in-pigtail-aluminum-1","title":"QA1 GM Pro Front Coil-Over System - Single Adj. - 10in x 500lbs\/in - Pigtail - Aluminum","description":"\u003cp\u003e\u003cstrong\u003eSKU:\u003c\/strong\u003e \u003cspan itemprop=\"sku\"\u003eGS401-10500A\u003c\/span\u003e | \u003cstrong\u003eUPC:\u003c\/strong\u003e 806990062031\u003c\/p\u003e\n\n\u003ch4\u003e\u003cstrong\u003eQA1 GM Pro Front Coil-Over System - Single Adj. - 10in x 500lbs\/in - Pigtail - Aluminum for 1955-1957 Chevrolet\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003eUpgrade your 1955-1957 Chevrolet passenger car with the QA1 GS401-10500A Pro Front Coil-Over System sold as a pair. This single adjustable setup delivers precise valving control and ride height tuning via fully threaded aluminum bodies. High travel springs and lightweight design improve handling in drag racing, street performance, autocross and road racing.\u003c\/p\u003e\n\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSingle Adjustable Valving:\u003c\/strong\u003e Tune compression and rebound simultaneously to match your driving style from street to track.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLightweight Aluminum Body:\u003c\/strong\u003e Reduces unsprung weight for quicker response and better suspension performance, 20.63in extended, 10.63in compressed, 10in travel.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh Travel Springs:\u003c\/strong\u003e 10in tall 500lbs\/in chrome silicon steel pigtail springs with fewer coils for increased travel and faster reaction.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRide Height Adjustable:\u003c\/strong\u003e Fully threaded body allows precise stance and weight balance adjustments without disassembly.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBolt-In Design:\u003c\/strong\u003e Direct fit for 55-57 Chevy factory control arms, 100% dyno tested, serialized, serviceable by QA1 centers, made in USA.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eProduct Notes\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eSold as a pair for complete front suspension upgrade.\u003c\/li\u003e\n\u003cli\u003eRebuildable at QA1 authorized service centers for long-term durability.\u003c\/li\u003e\n\u003cli\u003ePackage weight 20 lbs, ships in protective box measuring 26in x 14in x 14in.\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\u003eBolts directly to OEM upper and lower control arms, no welding required.\u003c\/li\u003e\n\u003cli\u003eStud upper mount and pigtail lower end, verify shock length matches factory geometry.\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\u003e1955\u003c\/td\u003e\n\u003ctd\u003eChevrolet\u003c\/td\u003e\n\u003ctd\u003e150 Series\u003c\/td\u003e\n\u003ctd\u003eAll\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1955\u003c\/td\u003e\n\u003ctd\u003eChevrolet\u003c\/td\u003e\n\u003ctd\u003e210 Series\u003c\/td\u003e\n\u003ctd\u003eAll\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1955\u003c\/td\u003e\n\u003ctd\u003eChevrolet\u003c\/td\u003e\n\u003ctd\u003eBel Air\u003c\/td\u003e\n\u003ctd\u003eAll\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1956\u003c\/td\u003e\n\u003ctd\u003eChevrolet\u003c\/td\u003e\n\u003ctd\u003e150 Series\u003c\/td\u003e\n\u003ctd\u003eAll\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1956\u003c\/td\u003e\n\u003ctd\u003eChevrolet\u003c\/td\u003e\n\u003ctd\u003e210 Series\u003c\/td\u003e\n\u003ctd\u003eAll\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1956\u003c\/td\u003e\n\u003ctd\u003eChevrolet\u003c\/td\u003e\n\u003ctd\u003eBel Air\u003c\/td\u003e\n\u003ctd\u003eAll\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1957\u003c\/td\u003e\n\u003ctd\u003eChevrolet\u003c\/td\u003e\n\u003ctd\u003e150 Series\u003c\/td\u003e\n\u003ctd\u003eAll\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1957\u003c\/td\u003e\n\u003ctd\u003eChevrolet\u003c\/td\u003e\n\u003ctd\u003e210 Series\u003c\/td\u003e\n\u003ctd\u003eAll\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1957\u003c\/td\u003e\n\u003ctd\u003eChevrolet\u003c\/td\u003e\n\u003ctd\u003eBel Air\u003c\/td\u003e\n\u003ctd\u003eAll\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\u003eProven in drag racing, road racing and street rod applications nationwide.\u003c\/li\u003e\n\u003cli\u003eEvery shock dyno tested and serialized for consistent quality.\u003c\/li\u003e\n\u003cli\u003eEngineered in USA with rebuildable design for racing 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 fit 1955-1957 Chevrolet trucks?\u003cbr\u003e\n      \u003cstrong\u003eA:\u003c\/strong\u003e Designed for passenger cars including 150, 210 and Bel Air series, confirm suspension geometry for trucks.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQ:\u003c\/strong\u003e What material are the shocks and springs?\u003cbr\u003e\n      \u003cstrong\u003eA:\u003c\/strong\u003e Billet aluminum shock bodies with chrome silicon high travel springs for lightweight strength.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQ:\u003c\/strong\u003e What warranty coverage applies?\u003cbr\u003e\n      \u003cstrong\u003eA:\u003c\/strong\u003e QA1 offers limited lifetime warranty on valving, full details on qa1.net.\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 pair box 26in x 14in x 14in\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 20 lbs\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"QA1","offers":[{"title":"Default Title","offer_id":44693075001423,"sku":"QAPGS401-10500A","price":749.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1062\/7920\/files\/qa1-gm-pro-front-coil-over-system-single-adj_-10in-x-500lbsin-pigtail-aluminum-qa1_bfb3496f.jpg?v=1773250316","url":"https:\/\/www.blackopsautoworks.com\/products\/qa1-gm-pro-front-coil-over-system-single-adj-10in-x-500lbs-in-pigtail-aluminum-1","provider":"Black Ops Auto Works","version":"1.0","type":"link"}