{"product_id":"mikkuppa-m14x1-5-spline-lug-nuts-for-chevy-gmc-trucks-closed-end-cold-forged-steel-corrosion-resistant","title":"MIKKUPPA M14x1.5 Spline Lug Nuts for Chevy GMC Trucks — Closed-End, Cold-Forged Steel, Corrosion-Resistant","description":"\u003cstrong\u003eMIKKUPPA M14x1.5 spline nuts are heavy-duty, one-piece replacement lug nuts designed for Chevy, GMC, Ford and Ram trucks that need corrosion-resistant, high-strength wheel fasteners.\u003c\/strong\u003e\n\n\u003cp\u003eIf you’re replacing stripped, rusty or mismatched lug nuts on a full-size truck, these M14x1.5 spline nuts provide a durable, ready-to-install alternative. Built from cold-forged, heat-treated steel with a thick paint finish applied using infrared drying, they resist corrosion and maintain a factory-fresh appearance after extended salt-spray exposure. The set includes a 7-spline socket key and two hex keys for straightforward installation, making them suitable for aftermarket wheels and OE-style applications.\u003c\/p\u003e\n\n\u003ch3\u003eWill these spline nuts fit my Chevy, GMC or other heavy-duty truck?\u003c\/h3\u003e\n\u003cp\u003eThese lug nuts were specified for many GM and selected Ford\/Ram models that use an M14x1.5 thread pitch. Confirm your vehicle’s factory thread pitch and wheel seat before ordering; compatibility lists cover common Chevy and GMC pickups and vans as well as several Ford Super Duty and Ram 2500\/3500 models.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eThread pitch: M14 x 1.5\u003c\/li\u003e\n  \u003cli\u003eHex: 3\/4\" (19 mm)\u003c\/li\u003e\n  \u003cli\u003eOverall height: 2\" (50 mm); width: 0.9\" (23 mm)\u003c\/li\u003e\n  \u003cli\u003eClosed-end design with included 7-spline key and 13\/16\" \u0026amp; 7\/8\" hex adapters\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow durable and corrosion-resistant are these lug nuts?\u003c\/h3\u003e\n\u003cp\u003eMIKKUPPA lug nuts undergo a 72-hour salt spray test and use infrared-dried paint integrated into the metal surface for improved adhesion. The one-piece construction eliminates two-piece seam failures and the cold-forged, heat-treated steel core increases strip resistance and mechanical strength.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e72-hour salt spray tested finish for better rust resistance\u003c\/li\u003e\n  \u003cli\u003eInfrared curing bonds paint to metal to reduce flaking\u003c\/li\u003e\n  \u003cli\u003eCold-forged, heat-treated steel resists stripping and deformation\u003c\/li\u003e\n  \u003cli\u003eOne-piece design reduces failure points versus two-piece nuts\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat tools and installation details are included or required?\u003c\/h3\u003e\n\u003cp\u003eThe package contains a 7-spline socket key plus two hex options (13\/16\" and 7\/8\") to fit common installer tools. The closed-end profile protects wheel studs and gives a finished look; be sure to torqu e lug nuts to your vehicle manufacturer’s specifications and verify clearance with aftermarket wheels.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eIncluded: 7-spline socket key (21 mm) and 13\/16\" (21 mm) \u0026amp; 7\/8\" (22 mm) hex adapters\u003c\/li\u003e\n  \u003cli\u003eInstallation: hand-start, then torque to factory torque specs\u003c\/li\u003e\n  \u003cli\u003eCheck wheel offset and seat type for proper fit with aftermarket rims\u003c\/li\u003e\n  \u003cli\u003eClosed end protects exposed stud threads from corrosion and damage\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: These MIKKUPPA M14x1.5 spline nuts are aimed at truck owners, mechanics and aftermarket wheel installers who need rugged, long-lasting lug nuts for full-size Chevy and GMC pickups and vans, select Ford Super Duty and Ram 2500\/3500 models. They suit anyone replacing rusty or damaged nuts, upgrading to a unified wheel look, or fitting aftermarket wheels that accept closed-end spline nuts. If your vehicle uses M14x1.5 threads and you want a one-piece, corrosion-resistant option with included installation keys, these lug nuts are a practical, cost-effective choice.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Do these nuts fit my 2015 GMC Sierra 2500 HD?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes, the M14x1.5 thread pitch fits 1999–2024 Sierra 2500 HD models listed; always confirm your wheel seat and thread pitch first.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Are the lug nuts corrosion resistant for winter use?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes, they pass a 72-hour salt spray test and use infrared-cured paint for improved rust resistance.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"MIKKUPPA","offers":[{"title":"Default Title","offer_id":55167763153239,"sku":"B07TMFLV5T","price":67.16,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1050\/1524\/7191\/files\/mikkuppa-front-packaging.jpg?v=1790393120","url":"https:\/\/britishgarage.co.uk\/products\/mikkuppa-m14x1-5-spline-lug-nuts-for-chevy-gmc-trucks-closed-end-cold-forged-steel-corrosion-resistant","provider":"British Garage","version":"1.0","type":"link"}