{"product_id":"qa1-70-81-gm-f-body-four-link-kit-stage-1-double-adjustment","title":"QA1 70-81 GM F Body Four Link Kit Stage 1 Double Adjustment","description":"\u003cp\u003e\u003cstrong\u003eSKU:\u003c\/strong\u003e \u003cspan itemprop=\"sku\"\u003eR257-170\u003c\/span\u003e | \u003cstrong\u003eUPC:\u003c\/strong\u003e 806990175571\u003c\/p\u003e\n\n\u003ch4\u003e\u003cstrong\u003eQA1 Four Link Suspension Kit 1970-1981 GM F-Body – Stage 1 Double Adjustable\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003eQA1 R257-170 Four Link Suspension Kit fits 1970-1981 Chevrolet Camaro and Pontiac Firebird models. This triangulated 4-link system with double adjustable coilovers replaces leaf springs for precise control over rebound and compression damping. It provides adjustable ride height from +2 to -3 inches, supports wide wheels up to 12 inches and 335mm tires with mini-tubs, and installs with minimal welding.\u003c\/p\u003e\n\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eTriangulated 4-Link Design:\u003c\/strong\u003e Tubular bars ensure strength and geometry for consistent handling on street, track, or drag strip with independent 18-click rebound and compression tuning.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdjustable Ride Height:\u003c\/strong\u003e Set from 10.75-12 inches on Camaro or 13.75-15 inches on Firebird (axle centerline to fender arch) for lowered stance and optimized roll center.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWide Wheel Compatibility:\u003c\/strong\u003e Clears up to 12-inch wheels and 335mm tires in mini-tub setups for better traction and aggressive look.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBolt-On Installation:\u003c\/strong\u003e Brackets and hardware included, no floor pan cuts needed, easy pinion angle and wheelbase adjustments without link removal.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBuilt for Durability:\u003c\/strong\u003e Made in USA with lifetime warranty on Proma Star shocks when registered at QA1.net\/warranty, handles high power and aggressive use.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eProduct Notes\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eQA1 subframe connectors recommended for chassis stiffness.\u003c\/li\u003e\n\u003cli\u003eExhaust modifications may be required, not compatible with over-axle pipes.\u003c\/li\u003e\n\u003cli\u003eWeight 68 lbs, verify wheel and tire fitment before install.\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\u003eWelding required for brackets, detailed instructions provided.\u003c\/li\u003e\n\u003cli\u003eIncludes all mounting hardware, spanner wrench, and brackets for direct fit.\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\u003e1970-1980\u003c\/td\u003e\n\u003ctd\u003eChevrolet\u003c\/td\u003e\n\u003ctd\u003eCamaro\u003c\/td\u003e\n\u003ctd\u003eBase\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1979-1981\u003c\/td\u003e\n\u003ctd\u003eChevrolet\u003c\/td\u003e\n\u003ctd\u003eCamaro\u003c\/td\u003e\n\u003ctd\u003eBerlinetta\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1973-1978\u003c\/td\u003e\n\u003ctd\u003eChevrolet\u003c\/td\u003e\n\u003ctd\u003eCamaro\u003c\/td\u003e\n\u003ctd\u003eLT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1976-1978\u003c\/td\u003e\n\u003ctd\u003eChevrolet\u003c\/td\u003e\n\u003ctd\u003eCamaro\u003c\/td\u003e\n\u003ctd\u003eLT Rally Sport\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1976-1980\u003c\/td\u003e\n\u003ctd\u003eChevrolet\u003c\/td\u003e\n\u003ctd\u003eCamaro\u003c\/td\u003e\n\u003ctd\u003eRally Sport\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1970-1973\u003c\/td\u003e\n\u003ctd\u003eChevrolet\u003c\/td\u003e\n\u003ctd\u003eCamaro\u003c\/td\u003e\n\u003ctd\u003eRS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1975\u003c\/td\u003e\n\u003ctd\u003eChevrolet\u003c\/td\u003e\n\u003ctd\u003eCamaro\u003c\/td\u003e\n\u003ctd\u003eRS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1981\u003c\/td\u003e\n\u003ctd\u003eChevrolet\u003c\/td\u003e\n\u003ctd\u003eCamaro\u003c\/td\u003e\n\u003ctd\u003eSport\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1970-1972\u003c\/td\u003e\n\u003ctd\u003eChevrolet\u003c\/td\u003e\n\u003ctd\u003eCamaro\u003c\/td\u003e\n\u003ctd\u003eSS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1970-1974\u003c\/td\u003e\n\u003ctd\u003eChevrolet\u003c\/td\u003e\n\u003ctd\u003eCamaro\u003c\/td\u003e\n\u003ctd\u003eZ28\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1977-1981\u003c\/td\u003e\n\u003ctd\u003eChevrolet\u003c\/td\u003e\n\u003ctd\u003eCamaro\u003c\/td\u003e\n\u003ctd\u003eZ28\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1970-1981\u003c\/td\u003e\n\u003ctd\u003ePontiac\u003c\/td\u003e\n\u003ctd\u003eFirebird\u003c\/td\u003e\n\u003ctd\u003eBase\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1970-1981\u003c\/td\u003e\n\u003ctd\u003ePontiac\u003c\/td\u003e\n\u003ctd\u003eFirebird\u003c\/td\u003e\n\u003ctd\u003eEsprit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1970-1981\u003c\/td\u003e\n\u003ctd\u003ePontiac\u003c\/td\u003e\n\u003ctd\u003eFirebird\u003c\/td\u003e\n\u003ctd\u003eFormula\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1970-1981\u003c\/td\u003e\n\u003ctd\u003ePontiac\u003c\/td\u003e\n\u003ctd\u003eFirebird\u003c\/td\u003e\n\u003ctd\u003eTrans Am\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\u003eAmerican-made in Lakeville, Minnesota for reliable quality.\u003c\/li\u003e\n\u003cli\u003eDouble adjustable Proma Star shocks with 18 settings each for track-ready damping.\u003c\/li\u003e\n\u003cli\u003eComplete kit with lifetime shock warranty and precise engineering.\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 What ride heights does this kit support?\u003cbr\u003e\n      \u003cstrong\u003eA:\u003c\/strong\u003e Camaro 10.75 to 12 inches, Firebird 13.75 to 15 inches from axle centerline to fender arch, adjustable in 0.25-inch increments.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQ:\u003c\/strong\u003e Does it require mini-tubs for wide tires?\u003cbr\u003e\n      \u003cstrong\u003eA:\u003c\/strong\u003e Yes for maximum 335mm tires and 12-inch wheels, standard tubs work for narrower setups.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQ:\u003c\/strong\u003e What warranty is included?\u003cbr\u003e\n      \u003cstrong\u003eA:\u003c\/strong\u003e Lifetime on shocks with online registration at QA1.net\/warranty, covers defects under normal use.\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 oversized box, approximately 48 x 12 x 12 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 68 lbs\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"QA1","offers":[{"title":"Default Title","offer_id":43230750441551,"sku":"QAPR257-170","price":2597.95,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1062\/7920\/files\/qa1-70-81-gm-f-body-four-link-kit-stage-1-double-adjustment-qa1.jpg?v=1770331784","url":"https:\/\/www.blackopsautoworks.com\/products\/qa1-70-81-gm-f-body-four-link-kit-stage-1-double-adjustment","provider":"Black Ops Auto Works","version":"1.0","type":"link"}