{"product_id":"rockjock-xj-cherokee-boomerang-leaf-spring-shackles-5in-w-urethane-bushings-and-hardware","title":"RockJock Jeep Cherokee XJ Comanche MJ Rear Boomerang Shackles","description":"\u003ch4\u003eLet the rear leaf eye travel farther during deep articulation\u003c\/h4\u003e\u003cp\u003eRockJock JS-9081 is built for Rear of 1984-2001 Jeep Cherokee XJ and 1986-1992 Jeep Comanche MJ models. Five-inch center-to-center shackles replace stock three-inch shackles; actual lift depends on the current shackle length and suspension geometry. 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\u003eJS-9081 uses a heavy-duty fabricated boomerang shape\u003c\/li\u003e\n\u003cli\u003eFive-inch center-to-center length\u003c\/li\u003e\n\u003cli\u003eDirect bolt-on replacement for stock XJ and MJ shackles\u003c\/li\u003e\n\u003cli\u003eGreasable Dura-Thane bushings support quiet service\u003c\/li\u003e\n\u003cli\u003eGold zinc finish protects the assemblies\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\u003eRear of 1984-2001 Jeep Cherokee XJ and 1986-1992 Jeep Comanche MJ models. Five-inch center-to-center shackles replace stock three-inch shackles; actual lift depends on the current shackle length and suspension geometry.\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\u003eLeaf Spring Shackles\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eManufacturer Part Number\u003c\/td\u003e\n\u003ctd\u003eJS-9081\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\u003eVehicle\u003c\/td\u003e\n\u003ctd\u003eCherokee XJ and Comanche MJ\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLength\u003c\/td\u003e\n\u003ctd\u003e5 inches center to center\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStock Reference\u003c\/td\u003e\n\u003ctd\u003e3 inches center to center\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBushings\u003c\/td\u003e\n\u003ctd\u003eGreasable Dura-Thane\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFinish\u003c\/td\u003e\n\u003ctd\u003eGold zinc\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003ch4\u003eWhat's Included\u003c\/h4\u003e\u003cul\u003e\u003cli\u003eTwo complete JS-9081 boomerang shackle assemblies\u003c\/li\u003e\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\u003eXJ or MJ rear leaf springs\u003c\/li\u003e\n\u003cli\u003eApplication-rated rear shackle bolts\u003c\/li\u003e\n\u003cli\u003eNon-synthetic chassis grease compatible with the bushings\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eFAQ\u003c\/h4\u003e\u003cstrong\u003eWhat is the JS-9081?\u003c\/strong\u003e\u003cp\u003eIt is the RockJock leaf spring shackles described in the Specifications table for the stated dimension-based application.\u003c\/p\u003e\u003cstrong\u003eWhich vehicles fit?\u003c\/strong\u003e\u003cp\u003eThe shackles fit all 1984-2001 Cherokee XJ and 1986-1992 Comanche MJ models.\u003c\/p\u003e\u003cstrong\u003eHow long are they?\u003c\/strong\u003e\u003cp\u003eThey measure five inches center to center.\u003c\/p\u003e\u003cstrong\u003eHow much lift will they provide?\u003c\/strong\u003e\u003cp\u003eLift depends on the current shackle length; RockJock suggests half the center-to-center length difference as a rough estimate.\u003c\/p\u003e\u003cstrong\u003eAre the bushings greasable?\u003c\/strong\u003e\u003cp\u003eYes. Each shackle has a zerk fitting for the Dura-Thane bushings.\u003c\/p\u003e\u003cstrong\u003eDo they bolt in?\u003c\/strong\u003e\u003cp\u003eYes. They directly replace stock rear shackles when the surrounding suspension is compatible.\u003c\/p\u003e\u003cstrong\u003eWhy use a boomerang shape?\u003c\/strong\u003e\u003cp\u003eThe shape lets the spring eye move farther around the rear structure during articulation.\u003c\/p\u003e\u003cstrong\u003eAre both sides included?\u003c\/strong\u003e\u003cp\u003eYes. The package contains two complete assemblies.\u003c\/p\u003e\u003ch4\u003eInstallation Instructions\u003c\/h4\u003e\u003col\u003e\n\u003cli\u003eVerify the package label and manufacturer part number JS-9081 before removing, cutting, or installing components.\u003c\/li\u003e\n\u003cli\u003eMeasure the current shackle center-to-center length and inspect spring-eye and body-side mounts.\u003c\/li\u003e\n\u003cli\u003eSupport the vehicle and rear axle safely and unload the leaf springs.\u003c\/li\u003e\n\u003cli\u003eRemove one stock shackle at a time without allowing the spring or axle to shift unexpectedly.\u003c\/li\u003e\n\u003cli\u003eLubricate and position the replacement assembly in the correct boomerang orientation.\u003c\/li\u003e\n\u003cli\u003eInstall serviceable application-rated hardware and tighten it at the specified ride-height condition.\u003c\/li\u003e\n\u003cli\u003eCycle the axle through compression and droop to verify body, spring, exhaust, tire, and brake-line clearance.\u003c\/li\u003e\n\u003cli\u003eGrease the bushings, recheck ride height and alignment, and inspect torque 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":67970612494415,"sku":"ROKJS-9081","price":153.94,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1062\/7920\/files\/rockjock-js-9081-leaf-spring-shackles-01.webp?v=1793561996","url":"https:\/\/www.blackopsautoworks.com\/products\/rockjock-xj-cherokee-boomerang-leaf-spring-shackles-5in-w-urethane-bushings-and-hardware","provider":"Black Ops Auto Works","version":"1.0","type":"link"}