{"product_id":"qa1-63-72-chevrolet-c10-rear-suspension-conversion-system-firm-double-adjustable-250lbs-in","title":"QA1 63-72 Chevrolet C10 Rear Suspension Conversion System - Firm - Double Adjustable (250lbs\/in)","description":"\u003cp\u003e\u003cstrong\u003eSKU:\u003c\/strong\u003e \u003cspan itemprop=\"sku\"\u003eR210-250\u003c\/span\u003e | \u003cstrong\u003eUPC:\u003c\/strong\u003e 806990152510\u003c\/p\u003e\n\n\u003ch4\u003e\u003cstrong\u003eQA1 63-72 Chevrolet C10 Rear Suspension Conversion System - Firm - Double Adjustable (250lbs\/in)\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003eQA1's bolt-on R210-250 rear suspension conversion system upgrades 1963-1972 Chevrolet C10 trucks from factory coil-spring setups to double adjustable coil-overs with 250 lb\/in firm springs. This kit delivers up to 6 inches of drop while allowing precise ride height tuning at each corner for ideal stance and performance. Tubular components ensure direct bolt-on installation without removing the truck bed, improving geometry for sharper cornering and stability.\u003c\/p\u003e\n\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDouble Adjustable Coil-Overs:\u003c\/strong\u003e Firm 250 lb\/in springs with independent rebound and compression damping adjustments for custom ride control and handling response on street or track.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTubular Upper and Lower Control Arms:\u003c\/strong\u003e Integrated pinion angle shims eliminate add-on adjustments and allow exact wheelbase setup for consistent drivetrain performance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdjustable Panhard Bar:\u003c\/strong\u003e Keeps the rear axle centered under the vehicle for predictable handling and reduced body roll during corners.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMultiple Roll Center Mounts:\u003c\/strong\u003e Corrects geometry based on drop amount to maintain stability and prevent bump steer after lowering.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOutboard Coil-Over Mounting:\u003c\/strong\u003e Positions shocks outside the frame rail near the wheels for better leverage, enhanced cornering grip, and clearance for aftermarket fuel tanks.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eProduct Notes\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eBolt-on design fits factory frame without modifications or bed removal.\u003c\/li\u003e\n\u003cli\u003eRequires 4.5-inch backspacing wheels minimum for clearance.\u003c\/li\u003e\n\u003cli\u003eDouble adjustable coil-overs include rebuild service option from QA1.\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\u003eComes with all necessary hardware, bushings, and instructions for direct bolt-on fit.\u003c\/li\u003e\n\u003cli\u003eCompatible with factory leaf spring perches. no welding required.\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\u003e1963-1972\u003c\/td\u003e\n\u003ctd\u003eChevrolet\u003c\/td\u003e\n\u003ctd\u003eC10\u003c\/td\u003e\n\u003ctd\u003eFleetside Pickup\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1963-1972\u003c\/td\u003e\n\u003ctd\u003eChevrolet\u003c\/td\u003e\n\u003ctd\u003eC10\u003c\/td\u003e\n\u003ctd\u003eStepside Pickup\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1963-1972\u003c\/td\u003e\n\u003ctd\u003eChevrolet\u003c\/td\u003e\n\u003ctd\u003eC20\u003c\/td\u003e\n\u003ctd\u003eFleetside Pickup\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1963-1972\u003c\/td\u003e\n\u003ctd\u003eChevrolet\u003c\/td\u003e\n\u003ctd\u003eC20\u003c\/td\u003e\n\u003ctd\u003eStepside Pickup\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1967-1972\u003c\/td\u003e\n\u003ctd\u003eGMC\u003c\/td\u003e\n\u003ctd\u003eC15\u003c\/td\u003e\n\u003ctd\u003eFleetside Pickup\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1967-1972\u003c\/td\u003e\n\u003ctd\u003eGMC\u003c\/td\u003e\n\u003ctd\u003eC15\u003c\/td\u003e\n\u003ctd\u003eStepside Pickup\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1967-1972\u003c\/td\u003e\n\u003ctd\u003eGMC\u003c\/td\u003e\n\u003ctd\u003eC25\u003c\/td\u003e\n\u003ctd\u003eFleetside Pickup\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1967-1972\u003c\/td\u003e\n\u003ctd\u003eGMC\u003c\/td\u003e\n\u003ctd\u003eC25\u003c\/td\u003e\n\u003ctd\u003eStepside Pickup\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\u003eMotorsports-proven components used in drag racing and circle track applications.\u003c\/li\u003e\n\u003cli\u003ePrecision CNC-machined parts with cadmium plating for corrosion resistance and durability.\u003c\/li\u003e\n\u003cli\u003eEngineered in the USA with direct bolt-on fitment tested on real vehicles.\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 Will this kit fit 1963-1972 C10 and C20 Fleetside and Stepside trucks?\u003cbr\u003e\n      \u003cstrong\u003eA:\u003c\/strong\u003e Yes, designed specifically for 1963-1972 Chevrolet C10\/C20 and 1967-1972 GMC C15\/C25 Fleetside\/Stepside 2WD pickups with factory coil-spring rear suspension. excludes Suburban, Blazer, and 4WD models.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQ:\u003c\/strong\u003e What materials are used in the control arms and panhard bar?\u003cbr\u003e\n      \u003cstrong\u003eA:\u003c\/strong\u003e Heavy-duty 1.5-inch OD x 0.120-wall DOM tubing with greaseable polyurethane bushings and CAD-designed ends for strength and smooth operation.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQ:\u003c\/strong\u003e What is the warranty and adjustability range?\u003cbr\u003e\n      \u003cstrong\u003eA:\u003c\/strong\u003e QA1 offers a 2-year warranty on coil-overs. double adjustable shocks provide 24 clicks rebound and 16 clicks compression for full tuning range.\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 Truck freight\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 oversized box measuring 50 x 20 x 16 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 112 lbs\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"QA1","offers":[{"title":"Default Title","offer_id":44693083357263,"sku":"QAPR210-250","price":3101.95,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1062\/7920\/files\/qa1-63-72-chevrolet-c10-rear-suspension-conversion-system-firm-double-adjustable-250lbsin-qa1.jpg?v=1773250430","url":"https:\/\/www.blackopsautoworks.com\/products\/qa1-63-72-chevrolet-c10-rear-suspension-conversion-system-firm-double-adjustable-250lbs-in","provider":"Black Ops Auto Works","version":"1.0","type":"link"}