{"product_id":"3-4-rod-ends","title":"7\/8-14 Chromoly Male Rod End - 3\/4\" Bore UCA Heim Joint","description":"\u003cp\u003e\u003cspan\u003eHeavy-duty 7\/8-14 male rod end with a 3\/4-inch bore, heat-treated 4130 chromoly body and maintenance-free PTFE liner. Available in right- or left-hand thread for compatible serviceable RRW upper control arms, suspension linkages and custom fabrication projects.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch1\u003e\u003cspan\u003eProduct description\u003c\/span\u003e\u003c\/h1\u003e\n\u003ch2\u003e\u003cspan\u003eService the Joint. Keep the Arm.\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eA worn or loose heim joint does not mean the complete upper control arm needs to be replaced.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThis heavy-duty 7\/8-14 male rod end is a serviceable replacement for compatible RRW upper control arms and custom suspension assemblies using the same dimensions. Its three-piece construction combines a heat-treated 4130 chromoly body, hardened alloy-steel race and hard-chrome-plated bearing ball for dependable articulation under demanding suspension loads.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe PTFE-lined design operates without a grease fitting, helping reduce maintenance while delivering smooth movement in off-road, racing and performance suspension applications.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eProduct Highlights\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e7\/8-14 UNF male threaded shank\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e3\/4-inch precision bearing bore\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eAvailable with right- or left-hand thread\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eHeat-treated 4130 chromoly-steel body\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eSilver-zinc-plated body for corrosion protection\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eThree-piece precision rod-end construction\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eHeat-treated alloy-steel race\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003ePTFE-lined for maintenance-free articulation\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003ePrecision-ground 52100 bearing-steel ball\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eHard-chrome-plated ball surface\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e±12-degree misalignment angle\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003ePublished 55,692-lbf static radial load rating\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eServiceable replacement for compatible UCA and linkage applications\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cspan\u003eThread Options\u003c\/span\u003e\u003c\/h2\u003e\n\u003ch3\u003e\u003cspan\u003eRight-Hand Thread\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003ePart number: JMXR12-14T\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eStandard right-hand 7\/8-14 UNF external thread\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eTightens clockwise\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cspan\u003eDimensions and Specifications\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eThread size: 7\/8-14 UNF 3A external\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eBearing bore: 0.7500\" +0.0025\"\/-0.0005\"\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eBody diameter: 2.000\" ±0.010\"\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eBall width: 0.875\" ±0.005\"\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eBody thickness: 0.687\" ±0.005\"\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eOverall body length: 3.375\"\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eThreaded shank length: 1.875\"\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eMisalignment: ±12 degrees\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eTotal available angular movement: approximately 24 degrees\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003ePublished static radial load: 55,692 lbf\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eApproximate weight: 0.920 lb\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eBody material: heat-treated 4130 chromoly steel\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eBody finish: silver zinc plated\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eBall material: precision-ground 52100 bearing steel\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eBall finish: hard chrome plated\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eRace material: heat-treated alloy steel\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eLiner: PTFE\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eThe published static radial load is not the allowable working load for every application. Suspension and structural assemblies must account for load direction, impact, fatigue, thread engagement, safety factors and surrounding-component strength.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eFitment\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eCompatible with RRW upper control arms and other suspension assemblies specifically designed around these specifications:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e7\/8-14 male threaded shank\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e3\/4-inch bearing bore\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e0.875-inch ball width\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e0.687-inch body thickness\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eCorrect right- or left-hand thread direction\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eFitment is determined by dimensions and thread direction—not vehicle make, model or the phrase “7\/8-inch rod end” alone.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eSome 7\/8-inch rod ends use a different bore, thread pitch, ball width or body diameter. Compare the existing rod end, UCA specifications and misalignment spacers before ordering.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eWhat Is Included\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eOne PTFE-lined 7\/8-14 chromoly male rod end in the selected thread direction\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eJam nut, mounting bolt, misalignment spacers and other suspension hardware are not included unless specifically stated elsewhere on the page.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eInstallation\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eProfessional installation and suspension alignment are recommended.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eBefore installation:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eConfirm right- or left-hand thread direction\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eInspect the threaded receiver for damage or contamination\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eConfirm adequate thread engagement\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eInspect the mounting bolt and misalignment spacers\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eReplace damaged or worn locking hardware\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eVerify that the rod end can articulate without binding\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eTighten the jam nut and mounting hardware according to the RRW or vehicle-specific installation instructions. Never use the rod end as a suspension travel stop.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch1\u003e\u003cspan\u003eFrequently Asked Questions\u003c\/span\u003e\u003c\/h1\u003e\n\u003ch2\u003e\u003cspan\u003eIs the bearing bore also 7\/8 inch?\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eNo. The threaded shank is 7\/8-14, but the bearing bore is 3\/4 inch. Both dimensions must match your application.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eWhat is the difference between JMXR12-14T and JMXL12-14T?\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eJMXR12-14T has a right-hand thread. JMXL12-14T has a left-hand thread. Their primary dimensions and load specifications are otherwise the same.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eWill this fit my RRW upper control arms?\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eIt fits compatible RRW UCA applications designed for a 7\/8-14 male rod end with a 3\/4-inch bore and matching body dimensions. Verify the existing rod end and required thread direction before ordering.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eWill it fit an upper control arm from another brand?\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003ePossibly. These dimensions are used in suspension and custom-fabrication applications, but rod ends are not universally interchangeable. Confirm the shank thread, bore, ball width, body thickness and thread direction.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eDoes the PTFE-lined rod end require grease?\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eNo routine greasing is required for the PTFE-lined bearing. Do not add grease to the liner unless specifically directed by the manufacturer.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eIs the 55,692-pound rating the safe working load?\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eNo. It is the published static radial load rating for the rod end. It is not an application-specific working-load recommendation. Actual allowable load depends on installation, load direction, fatigue, shock loading, safety factor and surrounding components.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eIs this listing for one rod end or a pair?\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eThis listing includes one rod end in the selected thread direction. Order the quantities and thread directions required for your specific UCA or linkage assembly.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"RRW Relations Race Wheels","offers":[{"title":"7\/8-14 UNF Right Hand Thread","offer_id":42649738936402,"sku":null,"price":35.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1061\/0094\/files\/JMX-Rod-End-Silver-Ball-Close-Up-2.webp?v=1787713550","url":"https:\/\/www.relationsracewheels.com\/products\/3-4-rod-ends","provider":"RRW Relations Race Wheels","version":"1.0","type":"link"}