{"product_id":"rockjock-jk-antirock-sway-bar-billet-aluminum-arms-21in","title":"RockJock 21-Inch 7075 Aluminum Antirock Sway Bar Arms","description":"\u003ch4\u003eAdd rear sway-bar leverage with a long, rigid billet arm pair\u003c\/h4\u003e\u003cp\u003eRockJock RJ-202013-101 is built for Universal RockJock 25-spline Antirock torsion-bar systems and RockJock JK Wrangler rear Antirock kits CE-9900JKR and CE-9900JKR4. Not for RockJock 36-inch by 1-inch or 40-inch by 1-inch sway bars. Final compatibility depends on matching every dimension, mounting point, moving component, and clearance in the intended suspension system.\u003c\/p\u003e\u003ch4\u003eKey Features\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eCNC-machined 7075-T6 billet aluminum construction\u003c\/li\u003e\n\u003cli\u003e21-inch overall length with a 3\/4-inch main body\u003c\/li\u003e\n\u003cli\u003eStandard RockJock 25-spline interface\u003c\/li\u003e\n\u003cli\u003eTwo 1\/2-inch end-link holes adjust leverage\u003c\/li\u003e\n\u003cli\u003eClear-anodized finish with included arm hardware\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eFitment\u003c\/h4\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eFitment Type\u003c\/th\u003e\n\u003cth\u003eVerified Application\u003c\/th\u003e\n\u003cth\u003eRequired Checks\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\u003ctr\u003e\n\u003ctd\u003eDimension and system specific\u003c\/td\u003e\n\u003ctd\u003eUniversal RockJock 25-spline Antirock torsion-bar systems and RockJock JK Wrangler rear Antirock kits CE-9900JKR and CE-9900JKR4. Not for RockJock 36-inch by 1-inch or 40-inch by 1-inch sway bars.\u003c\/td\u003e\n\u003ctd\u003eConfirm exact dimensions, mounting hardware, geometry, loads, articulation, component condition, and full suspension and steering clearance\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\u003eSway Bar Arms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOverall Length\u003c\/td\u003e\n\u003ctd\u003e21 inches\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003e7075-T6 billet aluminum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMain Thickness\u003c\/td\u003e\n\u003ctd\u003e3\/4 inch\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTip Thickness\u003c\/td\u003e\n\u003ctd\u003e3\/8 inch\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpline Count\u003c\/td\u003e\n\u003ctd\u003e25\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNear Link-Hole Radius\u003c\/td\u003e\n\u003ctd\u003e18.500 inches\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFar Link-Hole Radius\u003c\/td\u003e\n\u003ctd\u003e19.500 inches\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePair Weight\u003c\/td\u003e\n\u003ctd\u003e4.1 lb\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 pair of 21-inch forged billet aluminum Antirock arms\u003c\/li\u003e\n\u003cli\u003eOne matching arm hardware pack\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eAbout RockJock\u003c\/h4\u003e\u003cp\u003eRockJock develops connected Antirock sway bar systems, serviceable Johnny Joints, steering components, and suspension hardware for trail control and articulation. Its replacement and universal components are specified by exact dimensions so builders can preserve safe geometry and serviceability.\u003c\/p\u003e\u003ch4\u003eRelated Parts\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eRockJock 25-spline Antirock torsion bars\u003c\/li\u003e\n\u003cli\u003eRockJock RJ-201000-101 double-shear end-link brackets\u003c\/li\u003e\n\u003cli\u003eApplication-length RockJock sway bar end links\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eFAQ\u003c\/h4\u003e\u003cstrong\u003eWhat is the RJ-202013-101?\u003c\/strong\u003e\u003cp\u003eIt is the RockJock sway bar arms described in the Specifications table for the stated dimension-based application.\u003c\/p\u003e\u003cstrong\u003eWhich torsion bars accept these arms?\u003c\/strong\u003e\u003cp\u003eThey fit compatible RockJock 25-spline Antirock torsion bars, except the two excluded one-inch-bar configurations.\u003c\/p\u003e\u003cstrong\u003eWhich RockJock kits use these arms?\u003c\/strong\u003e\u003cp\u003eRockJock lists them for CE-9900JKR and CE-9900JKR4 JK Wrangler rear Antirock kits.\u003c\/p\u003e\u003cstrong\u003eWhich bars are excluded?\u003c\/strong\u003e\u003cp\u003eThey are not for RockJock 36-inch by 1-inch or 40-inch by 1-inch sway bars.\u003c\/p\u003e\u003cstrong\u003eHow is leverage adjusted?\u003c\/strong\u003e\u003cp\u003eTwo 1\/2-inch link holes place the end link 18.500 or 19.500 inches from the spline center.\u003c\/p\u003e\u003cstrong\u003eAre the arms sold individually?\u003c\/strong\u003e\u003cp\u003eNo. This exact part number includes a pair of arms.\u003c\/p\u003e\u003cstrong\u003eIs arm hardware included?\u003c\/strong\u003e\u003cp\u003eYes. The matching arm hardware pack is included; the torsion bar, links, bushings, and vehicle brackets are separate.\u003c\/p\u003e\u003cstrong\u003eWhat must be checked before driving?\u003c\/strong\u003e\u003cp\u003eVerify full spline engagement, safe link angles, hardware torque, and clearance through complete suspension travel without binding or an over-center condition.\u003c\/p\u003e\u003ch4\u003eInstallation Instructions\u003c\/h4\u003e\u003col\u003e\n\u003cli\u003eVerify the package label and manufacturer part number RJ-202013-101 before removing, cutting, or installing components.\u003c\/li\u003e\n\u003cli\u003eConfirm the torsion bar has 25 splines and is not one of the excluded one-inch bar configurations.\u003c\/li\u003e\n\u003cli\u003eMeasure arm sweep, end-link angle, tire clearance, frame clearance, hoses, wiring, and full suspension travel.\u003c\/li\u003e\n\u003cli\u003eInstall both arms on clean undamaged splines in the required orientation.\u003c\/li\u003e\n\u003cli\u003eInstall the included retaining and pinch hardware using the current RockJock procedure.\u003c\/li\u003e\n\u003cli\u003eSelect the link hole that preserves safe leverage and link geometry.\u003c\/li\u003e\n\u003cli\u003eCycle the suspension to verify the arms and links cannot bind, contact, or go over center.\u003c\/li\u003e\n\u003cli\u003eTighten all hardware to the applicable specifications and reinspect after initial use.\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":67970613379151,"sku":"ROKRJ-202013-101","price":579.32,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1062\/7920\/files\/rockjock-rj-202013-101-sway-bar-arms-01.webp?v=1793561423","url":"https:\/\/www.blackopsautoworks.com\/products\/rockjock-jk-antirock-sway-bar-billet-aluminum-arms-21in","provider":"Black Ops Auto Works","version":"1.0","type":"link"}