{"product_id":"qa1-drag-race-front-lower-control-arm-kit-gm-f-body-x-body","title":"QA1 Drag Race Front Lower Control Arm Kit for GM F-Body and X-Body","description":"\u003ch4\u003ePurpose-Built Control for Drag Racing Launches\u003c\/h4\u003e\n\u003cp\u003eThe QA1 52919 drag race front lower control arm kit is designed for 1967-1969 GM F-Body and 1968-1974 GM X-Body applications. Its low-friction components support bind-free suspension movement during launch, helping promote consistent front-end rise and weight transfer when used with a compatible coil-over suspension.\u003c\/p\u003e\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eDesigned for 52919 vehicle-specific front lower control arm applications\u003c\/li\u003e\n\u003cli\u003eIntegrated QA1 Ultimate low-friction ball joints\u003c\/li\u003e\n\u003cli\u003eComposite pivot bushings for smooth suspension movement\u003c\/li\u003e\n\u003cli\u003eAdjustable steering-stop bolt on each control arm\u003c\/li\u003e\n\u003cli\u003eBillet aluminum cross shafts help reduce front-end weight\u003c\/li\u003e\n\u003cli\u003eHigh-strength tubing provides durability for street and drag-racing use\u003c\/li\u003e\n\u003cli\u003eConfigured for QA1 Pro Coil Systems with double-shear lower mounting\u003c\/li\u003e\n\u003cli\u003eRobotically welded and powder coated\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eFitment\u003c\/h4\u003e\n\u003cp\u003eThe 52919 kit is vehicle-specific and is listed for the following applications. A compatible coil-over suspension is required.\u003c\/p\u003e\n\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eYears\u003c\/th\u003e\n\u003cth\u003eMake\u003c\/th\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003cth\u003eApplication\u003c\/th\u003e\n\u003cth\u003eRestrictions\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e1967-1969\u003c\/td\u003e\n\u003ctd\u003eChevrolet\u003c\/td\u003e\n\u003ctd\u003eCamaro\u003c\/td\u003e\n\u003ctd\u003eFront lower control arm kit\u003c\/td\u003e\n\u003ctd\u003eRequires coil-over suspension. Factory-style coil springs are not compatible. Install the included spherical bearing mounts.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1967-1969\u003c\/td\u003e\n\u003ctd\u003ePontiac\u003c\/td\u003e\n\u003ctd\u003eFirebird\u003c\/td\u003e\n\u003ctd\u003eFront lower control arm kit\u003c\/td\u003e\n\u003ctd\u003eRequires coil-over suspension. Factory-style coil springs are not compatible. Install the included spherical bearing mounts.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1968-1974\u003c\/td\u003e\n\u003ctd\u003eGM\u003c\/td\u003e\n\u003ctd\u003eX-Body\u003c\/td\u003e\n\u003ctd\u003eFront lower control arm kit\u003c\/td\u003e\n\u003ctd\u003eRequires coil-over suspension. Factory-style coil springs are not compatible. Install the included spherical bearing mounts.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch4\u003eSpecifications\u003c\/h4\u003e\n\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eDetail\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct\u003c\/td\u003e\n\u003ctd\u003eQA1 52919 drag race front lower control arm kit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eControl arm position\u003c\/td\u003e\n\u003ctd\u003eFront lower\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSuspension use\u003c\/td\u003e\n\u003ctd\u003eDrag racing with compatible coil-over suspension\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBall joints\u003c\/td\u003e\n\u003ctd\u003eIntegrated QA1 Ultimate low-friction ball joints\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePivot bushings\u003c\/td\u003e\n\u003ctd\u003eComposite\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCross shafts\u003c\/td\u003e\n\u003ctd\u003eBillet aluminum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting configuration\u003c\/td\u003e\n\u003ctd\u003eQA1 Pro Coil Systems with double-shear lower mounting\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConstruction\u003c\/td\u003e\n\u003ctd\u003eHigh-strength tubing with robotic welding\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFinish\u003c\/td\u003e\n\u003ctd\u003ePowder coated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eControl-arm mounting torque\u003c\/td\u003e\n\u003ctd\u003e80 lb-ft at ride height\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLower shock bolt torque\u003c\/td\u003e\n\u003ctd\u003e50 lb-ft for the lower 1\/2-inch shock bolt\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLower ball-joint torque\u003c\/td\u003e\n\u003ctd\u003e65 lb-ft. Tighten only as needed to align the cotter-pin hole\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSteering-stop bolt torque\u003c\/td\u003e\n\u003ctd\u003e31 lb-ft\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBall-joint preload\u003c\/td\u003e\n\u003ctd\u003e25-30 in-lb, then back off 90 degrees\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBall-joint lock-nut torque\u003c\/td\u003e\n\u003ctd\u003e25 lb-ft\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBall-joint lubricant\u003c\/td\u003e\n\u003ctd\u003eNLGI #2 GC-LB lithium-based grease\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaintenance interval\u003c\/td\u003e\n\u003ctd\u003eCheck and set ball-joint preload at least annually or every 3,000 miles, whichever comes first\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch4\u003eWhat's Included\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eSpherical bearing mounts\u003c\/li\u003e\n\u003cli\u003eSpherical bearing kit\u003c\/li\u003e\n\u003cli\u003eSupplied bump stop for 1967-1969 Camaro and Firebird applications\u003c\/li\u003e\n\u003cli\u003e3\/8-inch washers for steering-stop adjustment\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eAbout QA1\u003c\/h4\u003e\n\u003cp\u003eQA1 develops suspension components for street performance, drag racing, autocross, and track use. The QA1 52919 kit combines lightweight materials, low-friction joints, adjustable control, and durable fabrication for compatible GM applications.\u003c\/p\u003e\n\u003ch4\u003eFAQ\u003c\/h4\u003e\n\u003cstrong\u003eWhat is the 52919?\u003c\/strong\u003e\n\u003cp\u003eIt is a vehicle-specific drag race front lower control arm kit for 1967-1969 GM F-Body and 1968-1974 GM X-Body applications.\u003c\/p\u003e\n\u003cstrong\u003eWhat suspension is required?\u003c\/strong\u003e\n\u003cp\u003eThe kit requires a compatible coil-over suspension and will not work with a factory-style coil spring.\u003c\/p\u003e\n\u003cstrong\u003eDoes the kit include ball-joint components?\u003c\/strong\u003e\n\u003cp\u003eYes. It includes integrated low-friction ball joints along with spherical bearing mounts and a spherical bearing kit.\u003c\/p\u003e\n\u003cstrong\u003eWhat type of mounting is supported?\u003c\/strong\u003e\n\u003cp\u003eThe control arms are configured for QA1 Pro Coil Systems with double-shear lower mounting.\u003c\/p\u003e\n\u003cstrong\u003eCan the front-end rise be adjusted?\u003c\/strong\u003e\n\u003cp\u003eEach control arm has an adjustable steering-stop bolt that can be set with the supplied 3\/8-inch washers.\u003c\/p\u003e\n\u003cstrong\u003eWhere does the supplied bump stop go?\u003c\/strong\u003e\n\u003cp\u003eOn 1967-1969 Camaro and Firebird applications, install the supplied bump stop in the factory bump-stop location on either the front or rear of the control arm.\u003c\/p\u003e\n\u003cstrong\u003eWhat alignment settings are recommended?\u003c\/strong\u003e\n\u003cp\u003eWhen both QA1 upper and lower control arms are installed, the guidance for 1967-1974 F-Body and X-Body applications is 0.5 degrees plus or minus 0.5 degrees negative camber, 3-5 degrees positive caster, plus or minus 0.5 degrees cross-caster, and 0.1-0.3 degrees toe-in.\u003c\/p\u003e\n\u003cstrong\u003eHow often should ball-joint preload be checked?\u003c\/strong\u003e\n\u003cp\u003eCheck and set ball-joint preload at least annually or every 3,000 miles, whichever comes first.\u003c\/p\u003e\n\u003ch4\u003eInstallation Instructions\u003c\/h4\u003e\n\u003col\u003e\n\u003cli\u003eConfirm that the vehicle has a compatible coil-over suspension. Do not use the control arms with factory-style coil springs.\u003c\/li\u003e\n\u003cli\u003eRaise and support the vehicle securely with a floor jack and jack stands. Follow appropriate spring and suspension safety procedures.\u003c\/li\u003e\n\u003cli\u003eRemove the original front lower control arms and related hardware as required for the application.\u003c\/li\u003e\n\u003cli\u003eInstall the included spherical bearing mounts as required by QA1 control arm installation.\u003c\/li\u003e\n\u003cli\u003eFor 1967-1969 Camaro and Firebird applications, install the supplied bump stop in the factory bump-stop location on either the front or rear of the control arm.\u003c\/li\u003e\n\u003cli\u003eInstall the control arms and loosely fit the control-arm mounting hardware.\u003c\/li\u003e\n\u003cli\u003eInstall the lower shock hardware and torque the lower 1\/2-inch shock bolt to 50 lb-ft.\u003c\/li\u003e\n\u003cli\u003eTorque the control-arm mounting bolts to 80 lb-ft after the vehicle is at ride height.\u003c\/li\u003e\n\u003cli\u003eTorque the lower ball joint to 65 lb-ft. Continue tightening only as needed to align the cotter-pin hole. Never loosen the nut to align the hole.\u003c\/li\u003e\n\u003cli\u003eSet the ball-joint torque-nut preload to 25-30 in-lb, then back it off 90 degrees.\u003c\/li\u003e\n\u003cli\u003eTorque the ball-joint lock nut to 25 lb-ft.\u003c\/li\u003e\n\u003cli\u003eAdjust the steering-stop bolt using the supplied 3\/8-inch washers and torque the bolt to 31 lb-ft.\u003c\/li\u003e\n\u003cli\u003eGrease the ball joint with high-quality NLGI #2 GC-LB lithium-based grease.\u003c\/li\u003e\n\u003cli\u003eVerify that the ball stud has no axial lash and confirm that all fasteners are properly secured.\u003c\/li\u003e\n\u003cli\u003ePerform a professional alignment before driving. For drag racing, maximize positive caster while using toe-in as needed for straight-line stability.\u003c\/li\u003e\n\u003cli\u003eCheck and set ball-joint preload at least annually or every 3,000 miles, whichever comes first.\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"QA1","offers":[{"title":"Default Title","offer_id":46502948143183,"sku":"QAP52919","price":899.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1062\/7920\/files\/qa1-drag-race-front-lower-control-arm-kit-for-gm-f-body-and-x-body-01.jpg?v=1787846744","url":"https:\/\/www.blackopsautoworks.com\/products\/qa1-drag-race-front-lower-control-arm-kit-gm-f-body-x-body","provider":"Black Ops Auto Works","version":"1.0","type":"link"}