{"product_id":"rockjock-antirock-sway-bar-50in-long-x-1in-dia-x-25-spline","title":"RockJock Antirock 50-Inch 25-Spline Sway Bar","description":"\u003ch4\u003eTune roll resistance without replacing the complete system\u003c\/h4\u003e\u003cp\u003eRockJock CE-9900JR4-BAR provides the torsion element for a compatible 50-inch Antirock installation. Its 1-inch center section offers a defined rate option for custom builds or direct replacement in approved RockJock kits, while forged and heat-treated 4340 chromoly supports demanding trail and road use.\u003c\/p\u003e\u003ch4\u003eKey Features\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eForged and heat-treated 4340 chromoly construction\u003c\/li\u003e\n\u003cli\u003eFifty-inch end-to-end length for compatible Antirock layouts\u003c\/li\u003e\n\u003cli\u003eOne-inch center diameter establishes the torsional rate\u003c\/li\u003e\n\u003cli\u003eStandard RockJock 25-spline ends accept compatible Antirock arms\u003c\/li\u003e\n\u003cli\u003eSemi-gloss black powder coat with masked splines and bushing surfaces\u003c\/li\u003e\n\u003cli\u003eCan serve as a replacement or rate-change bar when all installed dimensions match\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eFitment\u003c\/h4\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eApplication\u003c\/th\u003e\n\u003cth\u003eRequired Configuration\u003c\/th\u003e\n\u003cth\u003eVerified Uses\u003c\/th\u003e\n\u003cth\u003eExclusions\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\u003ctr\u003e\n\u003ctd\u003eUniversal or approved RockJock Antirock system\u003c\/td\u003e\n\u003ctd\u003e50-inch bar; 25-spline arms; 1.080-1.085-inch bushing surfaces\u003c\/td\u003e\n\u003ctd\u003eSelected JK Wrangler Unlimited rear kits, JT Gladiator rear kits, and CE-9906 universal kits\u003c\/td\u003e\n\u003ctd\u003eNot a complete kit; do not select by vehicle alone or substitute for a different length, spline count, or center diameter\u003c\/td\u003e\n\u003c\/tr\u003e\u003c\/tbody\u003e\n\u003c\/table\u003e\u003ch4\u003eSpecifications\u003c\/h4\u003e\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 Type\u003c\/td\u003e\n\u003ctd\u003eAntirock sway bar torsion bar\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eQuantity\u003c\/td\u003e\n\u003ctd\u003e1 bar\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003eForged and heat-treated 4340 chromoly\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLength\u003c\/td\u003e\n\u003ctd\u003e50 inches end to end\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCenter Diameter\u003c\/td\u003e\n\u003ctd\u003e1 inch\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpline Count\u003c\/td\u003e\n\u003ctd\u003e25 at each end\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpline and Bushing Surface Diameter\u003c\/td\u003e\n\u003ctd\u003e1.080-1.085 inches\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEnd Threads\u003c\/td\u003e\n\u003ctd\u003e5\/16-24, 1.125 inches deep\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFinish\u003c\/td\u003e\n\u003ctd\u003eSemi-gloss black powder coat; splines and bushing surfaces masked\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUPC\u003c\/td\u003e\n\u003ctd\u003e810038155173\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003ch4\u003eWhat's Included\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eOne 50-inch RockJock Antirock torsion bar with 1-inch center section and 25-spline ends\u003c\/li\u003e\n\u003cli\u003eSway bar arms, bushings, brackets, mounting tube, links, fasteners, shims, and installation tools are not included\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eAbout RockJock\u003c\/h4\u003e\u003cp\u003eRockJock develops Antirock sway bar systems and service components for controlled body roll and usable suspension articulation. Its range of bar lengths and center diameters lets a properly matched Antirock system be serviced or tuned without replacing every surrounding component.\u003c\/p\u003e\u003ch4\u003eRelated Parts\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eRockJock 25-spline Antirock arms matched to the installed kit's required length and offset\u003c\/li\u003e\n\u003cli\u003eRockJock CE-9901D bushings for compatible 25-spline universal-style mounts\u003c\/li\u003e\n\u003cli\u003eRockJock CE-9901D-SP4 shims when the approved installation requires width adjustment\u003c\/li\u003e\n\u003cli\u003eThe exact frame brackets, end links, and hardware specified for the installed Antirock kit\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eFAQ\u003c\/h4\u003e\u003cstrong\u003eWhat is the CE-9900JR4-BAR?\u003c\/strong\u003e\u003cp\u003eIt is a forged and heat-treated 4340 chromoly Antirock torsion bar measuring 50 inches end to end, with a 1-inch center section and 25-spline ends.\u003c\/p\u003e\u003cstrong\u003eIs this a complete sway bar kit?\u003c\/strong\u003e\u003cp\u003eNo. The package contains one torsion bar only; arms, bushings, brackets, links, fasteners, and installation hardware are separate.\u003c\/p\u003e\u003cstrong\u003eWhich Antirock systems use this bar?\u003c\/strong\u003e\u003cp\u003eRockJock identifies it for universal applications, selected JK Wrangler Unlimited rear kits, selected JT Gladiator rear kits, and CE-9906-series universal kits.\u003c\/p\u003e\u003cstrong\u003eCan vehicle selection alone confirm compatibility?\u003c\/strong\u003e\u003cp\u003eNo. Confirm the existing kit part number, 50-inch bar length, 25-spline arm interface, bushing-surface diameter, and center diameter before ordering.\u003c\/p\u003e\u003cstrong\u003eWhat is the bar length?\u003c\/strong\u003e\u003cp\u003eThe bar measures 50 inches from end to end.\u003c\/p\u003e\u003cstrong\u003eWhat are the bar diameters?\u003c\/strong\u003e\u003cp\u003eThe center section is 1 inch in diameter, while the splines and bushing surfaces measure 1.080 to 1.085 inches outside diameter.\u003c\/p\u003e\u003cstrong\u003eWhich sway bar arms fit?\u003c\/strong\u003e\u003cp\u003eRockJock states that its 25-spline Antirock arms fit this bar; the correct arm length, offset, and hardware still depend on the installed kit.\u003c\/p\u003e\u003cstrong\u003eCan this bar change the sway bar rate?\u003c\/strong\u003e\u003cp\u003eYes. In a compatible 50-inch 25-spline Antirock system, changing the center diameter changes effective rate, with a larger diameter producing a stiffer bar when length remains the same.\u003c\/p\u003e\u003cstrong\u003eWhat finish protects the bar?\u003c\/strong\u003e\u003cp\u003eThe bar has a semi-gloss black powder coat, with the splines and bushing surfaces masked for proper component fit.\u003c\/p\u003e\u003ch4\u003eInstallation Instructions\u003c\/h4\u003e\u003col\u003e\n\u003cli\u003eIdentify the installed or planned RockJock Antirock kit and confirm that it accepts a 50-inch bar with 25-spline ends and 1.080- to 1.085-inch bushing surfaces.\u003c\/li\u003e\n\u003cli\u003eVerify the package label and manufacturer part number CE-9900JR4-BAR, then measure the new bar before disassembling the vehicle.\u003c\/li\u003e\n\u003cli\u003eSupport the vehicle safely, unload the sway bar, and follow the installation instructions for the exact Antirock kit or engineered universal layout.\u003c\/li\u003e\n\u003cli\u003eMark the existing arm positions and link settings when applicable, then remove the end links, arm hardware, and arms without damaging the splines.\u003c\/li\u003e\n\u003cli\u003eWithdraw the old bar and inspect the bushings, brackets, arms, splines, threads, shims, and adjacent hardware for wear or damage.\u003c\/li\u003e\n\u003cli\u003eClean the compatible bushing surfaces and arm splines without removing material from the precision-fit areas.\u003c\/li\u003e\n\u003cli\u003eGuide the replacement bar through the aligned bushings, keeping the coated center section and exposed fit surfaces free from impact damage.\u003c\/li\u003e\n\u003cli\u003eInstall the correct 25-spline arms at the required width and orientation, then reinstall all approved shims, retaining hardware, and end links.\u003c\/li\u003e\n\u003cli\u003eTorque every fastener to the specification for the exact installed kit and verify free bar rotation, equal arm positioning, tire clearance, and unrestricted suspension travel.\u003c\/li\u003e\n\u003cli\u003eRoad-test cautiously, account for the Antirock system's handling characteristics, and recheck alignment and hardware after the initial service interval.\u003c\/li\u003e\n\u003c\/ol\u003e\u003cp\u003e\u003cstrong\u003eCalifornia Proposition 65 Warning:\u003c\/strong\u003e Cancer and reproductive harm. See www.P65Warnings.ca.gov.\u003c\/p\u003e","brand":"RockJock","offers":[{"title":"Default Title","offer_id":67970611118159,"sku":"ROKCE-9900JR4-BAR","price":307.25,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1062\/7920\/files\/rockjock-ce-9900jr4-bar-antirock-sway-bar-01.webp?v=1793553798","url":"https:\/\/www.blackopsautoworks.com\/products\/rockjock-antirock-sway-bar-50in-long-x-1in-dia-x-25-spline","provider":"Black Ops Auto Works","version":"1.0","type":"link"}