{"product_id":"whiteline-bfr1-ku4-rear-18mm-swaybar-mustang-9-inch","title":"Whiteline 10\/65-73 Ford Mustang Rear 18mm Heavy Duty Sway Bar","description":"\u003ch4\u003eTame Body Roll In Your Classic Fastback Or Coupe\u003c\/h4\u003e\n\u003cp\u003eFactory rear suspension geometry on classic Mustangs equipped with a 9 inch rear end was never built with modern cornering loads in mind. This Whiteline BFR1-KU4 rear sway bar bolts to your existing 9 inch axle housing and adds a full 18mm of heavy duty steel roll resistance, cutting down on the rear end wallow that shows up the moment you push into a corner with any speed.\u003c\/p\u003e\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e18mm solid steel bar diameter built specifically for 9 inch rear end axle housings\u003c\/li\u003e\n\u003cli\u003eHeavy duty non adjustable design for consistent, predictable roll control\u003c\/li\u003e\n\u003cli\u003eSilver powder coat finish resists corrosion for long service life\u003c\/li\u003e\n\u003cli\u003eBolts directly to the factory 9 inch housing without axle modification\u003c\/li\u003e\n\u003cli\u003eSharpens rear end response through fast sweepers and autocross corners\u003c\/li\u003e\n\u003cli\u003eBFR1-KU4 is purpose engineered for classic Mustang 9 inch rear end applications\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eFitment\u003c\/h4\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eYear Range\u003c\/th\u003e\n\u003cth\u003eMake\u003c\/th\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003cth\u003eTrim\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1965-1973\u003c\/td\u003e\n\u003ctd\u003eFord\u003c\/td\u003e\n\u003ctd\u003eMustang\u003c\/td\u003e\n\u003ctd\u003eGT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1965-1973\u003c\/td\u003e\n\u003ctd\u003eFord\u003c\/td\u003e\n\u003ctd\u003eMustang\u003c\/td\u003e\n\u003ctd\u003eMach 1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1965-1973\u003c\/td\u003e\n\u003ctd\u003eFord\u003c\/td\u003e\n\u003ctd\u003eMustang\u003c\/td\u003e\n\u003ctd\u003eBoss 302\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1965-1973\u003c\/td\u003e\n\u003ctd\u003eFord\u003c\/td\u003e\n\u003ctd\u003eMustang\u003c\/td\u003e\n\u003ctd\u003eBoss 429\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003cp\u003eFitment applies to Mustangs equipped with a Ford 9 inch rear end axle housing. Verify your rear end type before ordering, as some six cylinder and small block cars from this era were built with a smaller 8 inch housing that this bar does not fit.\u003c\/p\u003e\n\u003ch4\u003eSpecifications\u003c\/h4\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eDetail\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eManufacturer\u003c\/td\u003e\n\u003ctd\u003eWhiteline\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMPN\u003c\/td\u003e\n\u003ctd\u003eBFR1-KU4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUPC\u003c\/td\u003e\n\u003ctd\u003eBFR1-KU4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePosition\u003c\/td\u003e\n\u003ctd\u003eRear\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBar Diameter\u003c\/td\u003e\n\u003ctd\u003e18mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003eSolid Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFinish\u003c\/td\u003e\n\u003ctd\u003eSilver Powder Coat\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAdjustability\u003c\/td\u003e\n\u003ctd\u003eNon Adjustable Heavy Duty\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRear End Type Required\u003c\/td\u003e\n\u003ctd\u003eFord 9 Inch\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch4\u003eWhat's Included\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e1 x Whiteline 18mm rear anti roll bar\u003c\/li\u003e\n\u003cli\u003eMounting bushings\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eAbout Whiteline\u003c\/h4\u003e\n\u003cp\u003eWhiteline designs and manufactures suspension components engineered to sharpen handling while preserving daily drivability. Their sway bars, control arms, and bushing kits use proprietary synthetic elastomers and precision engineered geometry to correct factory suspension compliance and unlock more consistent, predictable handling, from classic muscle cars to modern platforms.\u003c\/p\u003e\n\u003ch4\u003eFAQ\u003c\/h4\u003e\n\u003cstrong\u003eWhat is the BFR1-KU4?\u003c\/strong\u003e\u003cp\u003eThe BFR1-KU4 is a Whiteline 18mm heavy duty rear anti roll bar built for classic Ford Mustangs equipped with a 9 inch rear end axle housing, designed to reduce rear body roll and sharpen cornering response.\u003c\/p\u003e\n\u003cstrong\u003eHow do I know if my classic Mustang has a 9 inch rear end?\u003c\/strong\u003e\u003cp\u003eThe 9 inch housing has a raised hump in the center section and a rounded shape, while the smaller 8 inch housing is flatter with a different bolt pattern, so it is worth confirming your axle type before ordering.\u003c\/p\u003e\n\u003cstrong\u003eIs this sway bar adjustable?\u003c\/strong\u003e\u003cp\u003eNo, this is a fixed heavy duty bar rather than an adjustable unit, offering one consistent level of increased roll stiffness over the factory bar.\u003c\/p\u003e\n\u003cstrong\u003eWill this bar work with my factory end links?\u003c\/strong\u003e\u003cp\u003eYes, this bar is designed to bolt up using standard mounting hardware and factory style end link locations on 9 inch equipped Mustangs.\u003c\/p\u003e\n\u003cstrong\u003eDoes installing this sway bar require welding?\u003c\/strong\u003e\u003cp\u003eNo, this is a bolt on installation that does not require any welding or permanent modification to your rear end housing.\u003c\/p\u003e\n\u003cstrong\u003eDo I need an alignment after installing this sway bar?\u003c\/strong\u003e\u003cp\u003eA sway bar swap does not change ride height or suspension geometry, so an alignment is not required, though checking alignment after any suspension work is good practice.\u003c\/p\u003e\n\u003cstrong\u003eCan I install this sway bar in my home garage?\u003c\/strong\u003e\u003cp\u003eYes, most installers with basic hand tools and jack stands can complete this installation without specialty equipment.\u003c\/p\u003e\n\u003cstrong\u003eWill this bar make my classic Mustang ride harsher on the street?\u003c\/strong\u003e\u003cp\u003eThis heavy duty bar increases roll stiffness over the factory setup but is tuned to remain comfortable for street driving while noticeably improving handling.\u003c\/p\u003e\n\u003ch4\u003eInstall Instructions\u003c\/h4\u003e\n\u003col\u003e\n\u003cli\u003eRaise and safely support the rear of the vehicle on jack stands\u003c\/li\u003e\n\u003cli\u003eRemove the factory rear sway bar end links and mounting bracket bolts\u003c\/li\u003e\n\u003cli\u003eRemove the factory rear sway bar and mounting bushings from the 9 inch housing\u003c\/li\u003e\n\u003cli\u003eInstall the new mounting bushings onto the Whiteline bar\u003c\/li\u003e\n\u003cli\u003ePosition the bar and torque the mounting brackets to factory specification\u003c\/li\u003e\n\u003cli\u003eReconnect the end links and torque to spec\u003c\/li\u003e\n\u003cli\u003eLower the vehicle and inspect all fasteners before test driving\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"Whiteline","offers":[{"title":"Default Title","offer_id":46249993896015,"sku":"WHLBFR1-KU4","price":228.05,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1062\/7920\/files\/whiteline-bfr1-ku4-rear-18mm-swaybar-mustang-4.webp?v=1785247635","url":"https:\/\/www.blackopsautoworks.com\/products\/whiteline-bfr1-ku4-rear-18mm-swaybar-mustang-9-inch","provider":"Black Ops Auto Works","version":"1.0","type":"link"}