{"product_id":"flycle-14x1-5-black-spline-lug-nuts-24pc-extended-closed-end-m14x1-5-for-6-lug-gm-trucks","title":"FLYCLE 14x1.5 Black Spline Lug Nuts 24pc Extended Closed-End M14x1.5 for 6‑Lug GM Trucks","description":"\u003cb\u003eHeavy-duty 14x1.5 closed-end spline lug nuts — 24 black extended M14x1.5 pieces plus a 7-spline socket key, built for aftermarket 6‑lug GM truck and SUV wheels.\u003c\/b\u003e\n\n\u003cp\u003eThis kit from FLYCLE replaces worn or mismatched lug nuts with a full set designed for vehicles that require 14x1.5 threads and a 60° conical seat. Each lug nut is a single-piece, 2\" (50.8 mm) long closed-end acorn with a 7-spline drive and a special black corrosion-resistant finish. The package includes 24 lug nuts and the matching spline socket key for straightforward installation on compatible six-lug wheels.\u003c\/p\u003e\n\n\u003ch3\u003eWill these lug nuts fit my Silverado, Sierra, Tahoe or Yukon?\u003c\/h3\u003e\n\u003cp\u003eThey fit many GM models that use 14x1.5 thread studs and accept a 60° conical seat. Compatibility is specific to model years and six-lug wheel configurations, so check your vehicle's wheel stud size and seat type before ordering.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCommon compatible vehicles: 1999–2022 Silverado 1500, 1988–2022 Sierra 1500 (6-lug), 1995–2022 Tahoe (6-lug), 1991–2022 Yukon.\u003c\/li\u003e\n  \u003cli\u003eAlso fits: 1999–2016 Escalade, 2008–2016 Enclave, 2009–2022 Traverse, and select Express\/Suburban\/Yukon XL models listed by year.\u003c\/li\u003e\n  \u003cli\u003eNot compatible with 5-lug or non-conical-seat aftermarket wheels — confirm stud count and seat angle first.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow durable and secure are these one-piece extended lug nuts?\u003c\/h3\u003e\n\u003cp\u003eFLYCLE's lug nuts are cold-forged from SCM435 steel with heat treatment for strength, and the one-piece construction prevents caps from separating while driving. The closed-end acorn design protects threads from dirt and moisture, improving longevity under road exposure.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eMaterial: SCM435 cold-forged steel with heat treatment for toughness.\u003c\/li\u003e\n  \u003cli\u003eDesign: One-piece closed-end acorn prevents cap detachment and shields wheel studs.\u003c\/li\u003e\n  \u003cli\u003eFinish: Black coating passes 72-hour salt spray testing for corrosion resistance.\u003c\/li\u003e\n  \u003cli\u003eDimensions: 2\" (50.8 mm) length, 7-spline drive, 0.9\" (23 mm) hex width.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat tools and torque specifications do I need for installation?\u003c\/h3\u003e\n\u003cp\u003eInstallation uses the included 7-spline socket key to engage the lug nut flutes, then finish-tighten with a torque wrench. Use the vehicle or wheel manufacturer’s recommended torque values to avoid over- or under-tightening.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eIncluded accessory: 7-spline socket key for initial installation and removal.\u003c\/li\u003e\n  \u003cli\u003eRecommended: Torque wrench for final tightening to manufacturer specifications.\u003c\/li\u003e\n  \u003cli\u003ePro tip: Hand-start each nut to avoid cross-threading, then torque in a star pattern.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat comes in the box and what support does FLYCLE offer?\u003c\/h3\u003e\n\u003cp\u003eThe set contains 24 black spline lug nuts sized 14x1.5 and the matching spline socket. FLYCLE packages the kit securely and backs the product with 12 months of after-sales support for fitment or quality questions.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eContents: 24 x 14x1.5 closed-end lug nuts plus 1 x 7-spline socket key.\u003c\/li\u003e\n  \u003cli\u003ePackaging: Boxed set to prevent parts shifting in transit.\u003c\/li\u003e\n  \u003cli\u003eSupport: 12-month after-sales technical assistance from FLYCLE.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho this set is for: This 24-piece FLYCLE kit is intended for owners upgrading or replacing lug nuts on six-lug aftermarket wheels that require 14x1.5 threads and a 60° conical seat — especially drivers of Silverado 1500, Sierra 1500 (6-lug), Tahoe (6-lug), Yukon, Escalade and similar GM trucks and SUVs. Choose this kit if you want extended-length, closed-end protection, a one-piece construction for durability, and a black corrosion-resistant finish to match your wheels and resist the elements.\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: Are these lug nuts compatible with 5-lug wheels?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: No. These FLYCLE lug nuts are designed for 6-lug wheels with 14x1.5 threads and a 60° conical seat.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Does the kit include the tool for removal?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. The package includes a 7-spline socket key that fits the lug nuts for installation and removal.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"FLYCLE","offers":[{"title":"Default Title","offer_id":55167587647831,"sku":"B081NB1BJ8","price":57.11,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1050\/1524\/7191\/files\/flycle-front-packaging-24-pack-lug-nuts.jpg?v=1790389076","url":"https:\/\/britishgarage.co.uk\/products\/flycle-14x1-5-black-spline-lug-nuts-24pc-extended-closed-end-m14x1-5-for-6-lug-gm-trucks","provider":"British Garage","version":"1.0","type":"link"}