{"title":"RockJock 4x4","description":"\u003cp\u003eShop the full RockJock 4x4 range at Underland Offroad. Use the vehicle filter to see only the RockJock 4x4 parts confirmed to fit your truck or SUV.\u003c\/p\u003e","products":[{"product_id":"rockjock-4x4-johnny-joint-rear-control-arm-set-2021-bronco","title":"RockJock 4x4 Johnny Joint Rear Control Arm Set | 2021+ Bronco","description":"\u003cmeta charset=\"UTF-8\"\u003e\n \u003cp\u003e\u003cb\u003eRockJock's Johnny Joint Rear Control Arm Set\u003c\/b\u003e for all 2021-up Broncos provides you with extremely heavy duty, adjustable length control arms to replace your factory control arms.\u003cbr\u003eAdjustable Control Arms are a must for aligning lifted vehicles to get your pinion angle specs. in check and our double adjustable design allows you to easily adjust the length of the arms without removing either end from the vehicle!\u003cbr\u003eThese arms are fabricated from 1 5\/8 in. o.d. x .250 in. wall d.o.m. steel tubing and feature our 2 1\/2 in. Johnny Joints with massive 1 1\/4 in. RH\/LH threads and corresponding jam nuts!\u003cbr\u003eJohnny Joints, the original and most durable high-articulation urethane suspension joint on the market, feature a smooth steel ball that pivots inside a proprietary urethane shell to provide over 30 degrees (per joint) of quiet, shock dampening articulation - without the excessive deflection found in soft rubber-based flex joints. Johnny Joints deliver a smooth, comfortable on-road ride with the ultimate in off-road capability. They are so trusted, that they are used by multiple commercial suspension companies, for both street and off-road suspension systems. \u003ca id=\"null\" href=\"https:\/\/www.rockjock4x4.com\/products\/johnny-joints-rod-ends\/complete-johnny-joints\" target=\"_self\"\u003eLearn more here.\u003c\/a\u003e\u003cbr\u003eArms are fully greasable via zerk fittings. Finish is semi-gloss black powder coat on the arms and gold zinc plating on the Johnny Joint ends.\u003c\/p\u003e\n \u003cp\u003e \u003c\/p\u003e\n \u003cp\u003e\u003cb\u003e\u003cspan\u003eKit Fits:\u003c\/span\u003e\u003cbr\u003e\u003c\/b\u003e\u003c\/p\u003e\n \u003cul\u003e\n \u003cli\u003e2021-up Bronco – All Models\u003c\/li\u003e\n \u003c\/ul\u003e\n \u003cp\u003e \u003c\/p\u003e\n \u003cp\u003e\u003cb\u003e\u003cspan\u003eKit Includes:\u003c\/span\u003e\u003cbr\u003e\u003c\/b\u003e\u003c\/p\u003e\n \u003cul\u003e\n \u003cli\u003eJohnny Joint Rear Upper Control Arms (pair)\u003c\/li\u003e\n \u003cli\u003eJohnny Joint Rear Lower Control Arms (pair)\u003c\/li\u003e\n \u003c\/ul\u003e\n \u003cp\u003e \u003c\/p\u003e\n \u003cp\u003e\u003cb\u003e\u003cspan\u003eAdjustment Range:\u003c\/span\u003e\u003cbr\u003e\u003c\/b\u003e\u003c\/p\u003e\n \u003cul\u003e\n \u003cli\u003eUpper Arms Closed – 13.900 in.\u003c\/li\u003e\n \u003cli\u003eUpper Arms Extended – 16.000 in.\u003c\/li\u003e\n \u003cli\u003eLower Arms Closed – 25.100 in.\u003c\/li\u003e\n \u003cli\u003eLower Arms Extended – 27.000 in.\u003c\/li\u003e\n \u003c\/ul\u003e\n \u003cp\u003e \u003c\/p\u003e\n \u003cp\u003e\u003cb\u003e\u003cspan\u003eNotes:\u003c\/span\u003e\u003cbr\u003e\u003c\/b\u003e\u003c\/p\u003e\n \u003cul\u003e\n \u003cli\u003eFactory hardware is retained to attach arms to the axle and the chassis.\u003c\/li\u003e\n \u003cli\u003e1 5\/8 in. o.d. x .250 in. wall d.o.m. steel tubing.\u003c\/li\u003e\n \u003cli\u003eAdjusters feature 1 1\/4 in.-12 RH\/LH threads.\u003c\/li\u003e\n \u003cli\u003eJohnny Joints require non-synthetic, hi-moly lube grease such as our CE-9013G\u003c\/li\u003e\n \u003cli\u003eApplicable Johnny Joint Tool for these Control Arms: CE-9110T\u003c\/li\u003e\n \u003c\/ul\u003e\n \u003cp\u003e \u003c\/p\u003e\n \u003cp\u003e\u003cb\u003e\u003cspan\u003eParts List:\u003c\/span\u003e\u003cbr\u003e\u003c\/b\u003e\u003c\/p\u003e\n \u003cul\u003e\n \u003cli\u003eJohnny Joint Adjuster End Forging (RH thread): CE-9114F\u003c\/li\u003e\n \u003cli\u003eJohnny Joint Adjuster End Forging (LH Thread): CE-9114F-L\u003c\/li\u003e\n \u003cli\u003eJohnny Joint Rebuild Kit: CE-9110RK\u003c\/li\u003e\n \u003cli\u003eJohnny Joint Pivot Ball (frame side): RJ-348004-1\u003c\/li\u003e\n \u003cli\u003eJohnny Joint Pivot Ball (axle side): RJ-348004-3\u003c\/li\u003e\n \u003cli\u003eJam Nut (RH thread): CE-9114JN\u003c\/li\u003e\n \u003cli\u003eJam Nut (LH thread): CE-9114LJN\u003c\/li\u003e\n \u003cli\u003eZerk Fitting: CE-1103K21\u003c\/li\u003e\n \u003c\/ul\u003e","brand":"RockJock 4x4","offers":[{"title":"Default Title","offer_id":44555574739199,"sku":"RJ-182400-101","price":893.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0195\/3434\/8352\/files\/IMG-6658.jpg?v=1736351918"},{"product_id":"rock-jock-4x4-rear-trac-bar-relocation-bracket-21-bronco","title":"Rock Jock 4x4 REAR TRAC BAR RELOCATION BRACKET | 21+ Bronco","description":"\u003cmeta charset=\"UTF-8\"\u003e\n \u003cp\u003e\u003cb\u003eRockJock's Rear Trac Bar Axle Bracket\u003c\/b\u003e for the 2021-up Bronco is a highly recommended upgrade for lifted vehicles to relocate the axle housing mounting point of the rear trac bar upward, correcting the location of the trac bar mounting point. \u003cbr\u003eYou’ll find this bracket necessary on lifted vehicles that feature heavy additions above the roof or behind the tailgate. The addition of this bracket will restore rear suspension lateral geometry and produce better overall vehicle handling by raising the rear suspension roll center to bring it closer to the vehicle’s center of gravity. \u003cbr\u003eThis kit is completely bolt-on, works with factory or aftermarket trac bars (such as our \u003ca id=\"null\" href=\"https:\/\/www.rockjock4x4.com\/RJ-183400-101\" target=\"_self\"\u003eRJ-183400-101\u003c\/a\u003e Johnny Joint adjustable trac bar) and very simply installs onto the factory axle housing. A rear brake line relocation tab is included to provide clearance for the new trac bar bolt location. \u003cbr\u003eBracket is finished in semi-gloss black and includes all necessary hardware for installation.\u003c\/p\u003e\n \u003cp\u003e \u003c\/p\u003e\n \u003cp\u003e\u003cb\u003e\u003cspan\u003eKit Fits:\u003c\/span\u003e\u003cbr\u003e\u003c\/b\u003e\u003c\/p\u003e\n \u003cul\u003e\n \u003cli\u003e2021-up Ford Bronco (all models)\u003c\/li\u003e\n \u003c\/ul\u003e\n \u003cp\u003e \u003c\/p\u003e\n \u003cp\u003e\u003cb\u003e\u003cspan\u003eKit Includes:\u003c\/span\u003e\u003cbr\u003e\u003c\/b\u003e\u003c\/p\u003e\n \u003cul\u003e\n \u003cli\u003e(1) Trac Bar Relocation Bracket\u003c\/li\u003e\n \u003cli\u003e(1) Brake Line Relocation Bracket\u003c\/li\u003e\n \u003cli\u003e(1) Hardware Pack\u003c\/li\u003e\n \u003c\/ul\u003e\n \u003cp\u003e \u003c\/p\u003e\n \u003cp\u003e\u003cb\u003e\u003cspan\u003eMadatory Lift Amount For Use:\u003c\/span\u003e\u003c\/b\u003e\u003c\/p\u003e\n \u003cp\u003e\u003cb\u003e\u003cspan\u003e\u003ci\u003e*Not for use on – stock\/un-lifted vehicles!\u003c\/i\u003e\u003c\/span\u003e\u003cbr\u003e\u003c\/b\u003e\u003c\/p\u003e\n \u003cul\u003e\n \u003cli\u003eBase Model = +2 in. lift\u003c\/li\u003e\n \u003cli\u003eBadlands Model = +1 1\/2 in. lift\u003c\/li\u003e\n \u003cli\u003eSasquatch Package (any model) = +1 in. lift\u003c\/li\u003e\n \u003c\/ul\u003e\n \u003cp\u003e \u003c\/p\u003e\n \u003cp\u003e\u003cb\u003e\u003cspan\u003eNotes:\u003c\/span\u003e\u003cbr\u003e\u003c\/b\u003e\u003c\/p\u003e\n \u003cul\u003e\n \u003cli\u003e\n \u003cb\u003eShocks\u003c\/b\u003e - 18.15 in. minimum rear shock length at full compression (otherwise bracket can collide with the frame).\u003c\/li\u003e\n \u003cli\u003e\n \u003cb\u003eTrac Bar\u003c\/b\u003e - May be used with a factory or an aftermarket adjustable trac bar, such as our \u003ca id=\"null\" href=\"https:\/\/www.rockjock4x4.com\/RJ-183400-101\" target=\"_self\"\u003eRJ-183400-101\u003c\/a\u003e Johnny Joint adjustable trac bar.\u003c\/li\u003e\n \u003cli\u003e\n \u003cb\u003eBracket Specs.\u003c\/b\u003e - 3\/16 in. laser cut and formed steel, semi-gloss black powder coat finish.\u003c\/li\u003e\n \u003c\/ul\u003e\n \u003cp\u003e \u003c\/p\u003e\n \u003cp\u003e\u003cb\u003e\u003cspan\u003eParts List:\u003c\/span\u003e\u003cbr\u003e\u003c\/b\u003e\u003c\/p\u003e\n \u003cul\u003e\n \u003cli\u003eTrac Bar Relocation Bracket (only): \u003ca id=\"null\" href=\"https:\/\/www.rockjock4x4.com\/RJ-181400-1\" target=\"_self\"\u003eRJ-181400-1\u003c\/a\u003e\n \u003c\/li\u003e\n \u003cli\u003eBrake Line Relocation Tab: \u003ca id=\"null\" href=\"https:\/\/www.rockjock4x4.com\/RJ-181400-3\" target=\"_self\"\u003eRJ-181400-3\u003c\/a\u003e\n \u003c\/li\u003e\n \u003cli\u003eMachined Alignment Spacer: \u003ca id=\"null\" href=\"https:\/\/www.rockjock4x4.com\/RJ-510001-1\" target=\"_self\"\u003eRJ-510001-1\u003c\/a\u003e\n \u003c\/li\u003e\n \u003cli\u003eSteel Spacer: \u003ca id=\"null\" href=\"https:\/\/www.rockjock4x4.com\/RJ-514002-1\" target=\"_self\"\u003eRJ-514002-1\u003c\/a\u003e\n \u003c\/li\u003e\n \u003cli\u003e5\/8 in.-18 x 3 1\/2 in. Long Hex Bolt: \u003ca id=\"null\" href=\"https:\/\/www.rockjock4x4.com\/RJ-501210-1\" target=\"_self\"\u003eRJ-501210-1\u003c\/a\u003e\n \u003c\/li\u003e\n \u003cli\u003e5\/8 in. Flat Washer: \u003ca id=\"null\" href=\"https:\/\/www.rockjock4x4.com\/CE-98023A035\" target=\"_self\"\u003eCE-98023A035\u003c\/a\u003e\n \u003c\/li\u003e\n \u003cli\u003e5\/8 in.-18 Stover Nut: \u003ca id=\"null\" href=\"https:\/\/www.rockjock4x4.com\/CE-H0032\" target=\"_self\"\u003eCE-H0032\u003c\/a\u003e\n \u003c\/li\u003e\n \u003cli\u003e1\/2 in.-20 x 1 1\/4 in. Hex Bolt: \u003ca id=\"null\" href=\"https:\/\/www.rockjock4x4.com\/RJ-501211-3\" target=\"_self\"\u003eRJ-501211-3\u003c\/a\u003e\n \u003c\/li\u003e\n \u003cli\u003e1\/2 in. Flat Washer: \u003ca id=\"null\" href=\"https:\/\/www.rockjock4x4.com\/CE-H0014\" target=\"_self\"\u003eCE-H0014\u003c\/a\u003e\n \u003c\/li\u003e\n \u003cli\u003e1\/2 in.-20 Stover Nut: \u003ca id=\"null\" href=\"https:\/\/www.rockjock4x4.com\/CE-92501A440\" target=\"_self\"\u003eCE-92501A440\u003c\/a\u003e\n \u003c\/li\u003e\n \u003cli\u003e8mm-1.25 x 16mm Serrated Flanged Hex Bolt: \u003ca id=\"null\" href=\"https:\/\/www.rockjock4x4.com\/RJ-501106-1\" target=\"_self\"\u003eRJ-501106-1\u003c\/a\u003e\n \u003c\/li\u003e\n \u003cli\u003e8mm-1.25 Lock Nut: \u003ca id=\"null\" href=\"https:\/\/www.rockjock4x4.com\/RJ-502106-1\" target=\"_self\"\u003eRJ-502106-1\u003c\/a\u003e\n \u003c\/li\u003e\n \u003c\/ul\u003e","brand":"RockJock 4x4","offers":[{"title":"Default Title","offer_id":44702312857855,"sku":"RJ-181400-101","price":114.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0195\/3434\/8352\/files\/IMG-7190.jpg?v=1736351905"}],"url":"https:\/\/underlandoffroad.com\/collections\/rockjock-4x4.oembed","provider":"Underland Offroad","version":"1.0","type":"link"}