{"product_id":"clayton-giiro-joint-adjuster-14-3mm-thru-bolt-jk-jl-jt-track-bar-cor-4500001","title":"Clayton Off Road GIIRO Joint Adjuster 14.3mm Thru-Bolt for Jeep Wrangler JK JL and Gladiator JT Track Bar","description":"\u003ch3\u003eIs This for You?\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eYou have a Clayton adjustable track bar for your JK, JL, or JT and need to replace the GIIRO joint adjuster\u003c\/strong\u003e — this is the replacement GIIRO joint adjuster used in Clayton's JK, JL, and JT track bar applications. Long shank forging with a dual-durometer GIIRO bushing, 14.3mm (9\/16\") thru-hole, 1\" x 14 shank, 1.6\" outside bushing diameter. For the TJ\/LJ rear track bar version with a 12mm thru-hole, see COR-4500002.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eYour current GIIRO bushing is worn, damaged, or you want to rebuild the track bar with a fresh joint\u003c\/strong\u003e — the GIIRO dual-durometer bushing provides NVH isolation for on-road comfort while allowing full articulation for off-road use. This replacement adjuster restores the original performance of the track bar without replacing the entire bar.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eYou need the exact spec replacement — 1\" x 14 shank, 14.3mm (9\/16\") thru-hole, 1.6\" outside bushing diameter, long shank forging\u003c\/strong\u003e — verify these specs match your existing joint before ordering. The key distinction from COR-4500002 is the 14.3mm (9\/16\") thru-hole vs. 12mm on the TJ\/LJ version.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eThe Result\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eReplacement GIIRO joint adjuster for Clayton JK, JL, and JT track bar applications — long shank forging, dual-durometer GIIRO bushing, 14.3mm (9\/16\") thru-hole.\u003c\/li\u003e\n\u003cli\u003eSpecs: 1\" x 14 shank, 14.3mm (9\/16\") thru-hole, 1.6\" outside bushing diameter. Dual-durometer design — NVH-isolating, maintenance-free, full articulation.\u003c\/li\u003e\n\u003cli\u003eUsed in multiple Clayton JK\/JL\/JT track bar applications. For the TJ\/LJ 12mm version, see COR-4500002.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eThe COR-4500001 is Clayton Off Road's replacement GIIRO joint adjuster with a 14.3mm (9\/16\") thru-hole, used in multiple Clayton track bar applications for the 2007–2018 Jeep Wrangler JK, 2018–2026 Jeep Wrangler JL, and 2020–2026 Jeep Gladiator JT. The GIIRO joint is a long shank forging with a dual-durometer bushing — the dual-durometer design provides NVH isolation for on-road comfort while allowing full articulation for off-road use. Specifications: 1\" x 14 shank, 14.3mm (9\/16\") thru-hole, 1.6\" outside bushing diameter. The key distinction from COR-4500002 (TJ\/LJ version) is the 14.3mm (9\/16\") thru-hole vs. 12mm. Verify specs match your existing joint before ordering.\u003c\/p\u003e\u003ch3\u003eAudit Table\u003c\/h3\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eSpec\u003c\/th\u003e\n\u003cth\u003eDetail\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003ePart Number\u003c\/td\u003e\n\u003ctd\u003eCOR-4500001\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eApplication\u003c\/td\u003e\n\u003ctd\u003eGIIRO Joint Adjuster — Clayton JK, JL, and JT Track Bar Applications\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eJoint Type\u003c\/td\u003e\n\u003ctd\u003eGIIRO Dual-Durometer Bushing — Long Shank Forging\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShank\u003c\/td\u003e\n\u003ctd\u003e1\" x 14\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eThru-Hole\u003c\/td\u003e\n\u003ctd\u003e14.3mm (9\/16\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutside Bushing Diameter\u003c\/td\u003e\n\u003ctd\u003e1.6\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDesign\u003c\/td\u003e\n\u003ctd\u003eDual-Durometer — NVH-Isolating, Maintenance-Free, Full Articulation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTJ\/LJ Version (12mm)\u003c\/td\u003e\n\u003ctd\u003eCOR-4500002 — 12mm Thru-Hole, TJ\/LJ Rear Track Bar\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShipping Weight\u003c\/td\u003e\n\u003ctd\u003e3 lb\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003ch3\u003eVerified Fitment (OFAS Standard)\u003c\/h3\u003e\u003cp\u003e✅ Fits 2007–2018 Jeep Wrangler JK (2-Door and 4-Door) — Clayton Track Bar Applications\u003cbr\u003e✅ Fits 2018–2026 Jeep Wrangler JL (2-Door and 4-Door) — Clayton Track Bar Applications\u003cbr\u003e✅ Fits 2020–2026 Jeep Gladiator JT — Clayton Track Bar Applications\u003cbr\u003e❌ Does NOT fit TJ\/LJ rear track bar (COR-4500210) — TJ\/LJ uses 12mm thru-hole version COR-4500002\u003cbr\u003e❌ Verify 14.3mm (9\/16\") thru-hole spec matches your existing joint before ordering\u003c\/p\u003e\u003ch3\u003eInstallation \u0026amp; Fabrication Notes\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eRemove the existing GIIRO joint adjuster from the Clayton track bar per Clayton's service instructions.\u003c\/li\u003e\n\u003cli\u003eInstall the replacement GIIRO joint adjuster — verify the 1\" x 14 shank threads fully engage and the 14.3mm thru-hole aligns with the track bar mount bolt.\u003c\/li\u003e\n\u003cli\u003eTorque the mount bolt to specification at ride height.\u003c\/li\u003e\n\u003cli\u003eVerify axle centering after reinstallation.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWheel \u0026amp; Tire Fitment\u003c\/h3\u003e\u003cp\u003eThis is a replacement service part for Clayton JK\/JL\/JT track bar applications. Wheel and tire fitment is not affected by this joint replacement.\u003c\/p\u003e\u003cblockquote\u003e\n\u003cstrong\u003eEngineering Question:\u003c\/strong\u003e Confirm your Clayton track bar application uses the 14.3mm (9\/16\") thru-hole GIIRO joint. If you have a TJ or LJ with the COR-4500210 rear track bar, order COR-4500002 (12mm thru-hole) instead. Verify the shank (1\" x 14) and outside bushing diameter (1.6\") match your existing joint before ordering.\u003c\/blockquote\u003e","brand":"Clayton Off Road","offers":[{"title":"Default Title","offer_id":51651329294657,"sku":"COR-4500001","price":50.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0974\/1284\/1793\/files\/COR-4500001_0-COR.jpg?v=1776528624","url":"https:\/\/obsidianforgedautosupply.com\/products\/clayton-giiro-joint-adjuster-14-3mm-thru-bolt-jk-jl-jt-track-bar-cor-4500001","provider":"Obsidian Forged Auto Supply","version":"1.0","type":"link"}