{"product_id":"kryptonite-bolt-in-upper-ball-joint-1988-1998-c-k-series-2500-3500-trucks","title":"KRYPTONITE BOLT-IN UPPER BALL JOINT 1988-1998 C \u0026 K SERIES 2500\/3500 TRUCKS","description":"\u003ch4\u003eFits:\u003c\/h4\u003e\n\u003cp\u003e1989-2000 Chevrolet \/ GMC C2500 \/ C3500\u003c\/p\u003e\n\u003cp\u003e1988-2000 Chevrolet \/ GMC  K2500 \/ K3500\u003c\/p\u003e\n\u003cp\u003e1992-1999 Chevrolet \/ GMC K2500 Suburban\u003c\/p\u003e\n\u003cp\u003e1996-2002 Chevrolet Express \/ GMC Savana 2500 \/ 3500 2WD\u003c\/p\u003e\n\u003ch4\u003e\u003cspan\u003eImportant Fitment Details:\u003c\/span\u003e\u003c\/h4\u003e\n\u003cp\u003e\u003cspan\u003eDoes not fit 1500 pickup trucks or SUVs.  \u003c\/span\u003e\u003c\/p\u003e\n\u003ch4\u003e\u003cspan\u003eFeatures:\u003c\/span\u003e\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli class=\"p1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003cb\u003eHeavy-Duty Engineered Design\u003c\/b\u003e\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003e– Built specifically for the extreme demands of HD GM trucks, whether stock, leveled, or lifted.\u003c\/li\u003e\n\u003cli class=\"p1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003cb\u003eForged High-Strength Housing\u003c\/b\u003e\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003e– Optimized HD forging increases articulation and provides added clearance to prevent binding at full suspension travel.\u003c\/li\u003e\n\u003cli class=\"p1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003cb\u003eHeat-Treated Chromoly Ball Stud\u003c\/b\u003e\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003e– Significantly stronger than factory studs and highly resistant to bending under heavy loads.\u003c\/li\u003e\n\u003cli class=\"p1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003cb\u003eMetal-on-Metal Internal Design\u003c\/b\u003e\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003e– Eliminates weak factory-style internals for long-term durability in towing, off-road, and high-load applications.\u003c\/li\u003e\n\u003cli class=\"p1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003cb\u003ePowdered-Metal Internal Races\u003c\/b\u003e\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003e– Designed for extreme wear resistance and consistent performance over the life of the joint.\u003c\/li\u003e\n\u003cli class=\"p1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003cb\u003eCoil-Spring Preload System\u003c\/b\u003e\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003e– Maintains consistent internal tension as the suspension cycles, reducing looseness and extending service life.\u003c\/li\u003e\n\u003cli class=\"p1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003cb\u003ePremium Class 10.9 Hardware\u003c\/b\u003e\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003e– Includes Kryptonite-supplied high-strength mounting hardware for secure, reliable installation.\u003c\/li\u003e\n\u003cli class=\"p1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003cb\u003eGreaseable Service Design\u003c\/b\u003e\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003e– Pre-greased with Chevron Ultra EP2 grease and serviceable every 5,000–7,000 miles.\u003c\/li\u003e\n\u003cli class=\"p1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003cb\u003eBolt-In Installation\u003c\/b\u003e\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003e–  Installs into the factory control arms using provided grade 8 hardware.\u003c\/li\u003e\n\u003cli class=\"p1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003cb\u003eCorrosion-Resistant Finishes\u003c\/b\u003e\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003e– Black E-coat housing with a gold zinc-plated cap for long-term corrosion protection and a premium appearance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eDescription:\u003c\/h4\u003e\n\u003cp class=\"p1\"\u003eThe Kryptonite KR6344 Bolt-In Upper Ball Joint represents the latest evolution of Kryptonite’s ball joint design. Improving not only on factory components, but even on previous Kryptonite generations. Every aspect of this joint was engineered to survive the demands of lifted trucks, oversized tires, aggressive alignment settings, and real-world abuse.\u003c\/p\u003e\n\u003cp class=\"p1\"\u003eA massive chromoly stud, powdered-metal races, and a metal-on-metal internal design work together to deliver unmatched strength and articulation. The coil-spring compression system maintains consistent preload throughout suspension travel, reducing looseness and extending service life even under extreme conditions.\u003c\/p\u003e\n\u003cp class=\"p1\"\u003eFinished with a corrosion-resistant gold zinc cap and protected by a thick rubber boot, the KR6344 is built for longevity, performance, and reliability. Whether you’re daily driving, towing, or pushing your truck off-road, this is a true heavy-duty upgrade over stock and aftermarket alternatives.\u003c\/p\u003e\n\u003cp class=\"p1\"\u003eUpon install, these ball joints will require 4-6 pumps of grease. Going forward, the recommended service interval is about a half pump every\u003cspan\u003e \u003c\/span\u003e\u003cspan class=\"s1\"\u003e\u003cb\u003e5,000–7,000 miles\u003c\/b\u003e\u003c\/span\u003e.\u003cspan\u003e \u003c\/span\u003e\u003cspan\u003eThink of grease like blood in your body: without it, nothing survives. The boots are to keep dust and debris out and not to hold grease in so be careful not to over-grease.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch4\u003e\u003cspan\u003eIncludes:\u003c\/span\u003e\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003e1 x Bolt-in Ball Joint\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e4 x 8mm Grade 10.9 Flanged Bolts\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e4 x 8mm Grade 10.9 Flanged Nuts\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003e\u003cspan\u003eInstructions:\u003c\/span\u003e\u003c\/h4\u003e\n\u003cp\u003e\u003cspan\u003e\u003ca rel=\"noopener\" href=\"https:\/\/kryptoniteproducts.com\/pages\/kr6344-upper-ball-joint-installation-instructions\" aria-describedby=\"a11y-new-window-message\" target=\"_blank\"\u003e\u003cstrong\u003eCLICK HERE FOR COMPLETE INSTALLATION INSTRUCTIONS\u003c\/strong\u003e\u003c\/a\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch4 dir=\"ltr\"\u003eWarranty:\u003c\/h4\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003e(Kryptonite No Fine Print Lifetime Warranty)\u003c\/strong\u003e\u003cspan\u003e\u003cbr\u003e\u003c\/span\u003e\u003cspan\u003eKryptonite Steering \u0026amp; Suspension components are warrantied for life to their original purchaser. This warranty covers manufacturer defects, premature wear, or breakage. \u003c\/span\u003e\u003cspan\u003eRace it, jump it, off‑road it, wreck it, lift it—we don’t care. If you can break it, we’ll replace it.\u003c\/span\u003e\u003c\/p\u003e","brand":"Kryptonite","offers":[{"title":"Default Title","offer_id":46623124750513,"sku":"KR6344","price":56.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0643\/7725\/8161\/files\/kr6344-20_720x_aa3aa92e-bb51-4fa0-8e31-03b53c707e14.webp?v=1769554585","url":"https:\/\/standarddieseldirect.com\/products\/kryptonite-bolt-in-upper-ball-joint-1988-1998-c-k-series-2500-3500-trucks","provider":"Standard Diesel Direct","version":"1.0","type":"link"}