{"product_id":"conversion-stud-14-1-25-14-1-5-78mm-endurance-race-stud-kit","title":"*CONVERSION STUD 14×1.25-14×1.5* 78mm ENDURANCE RACE Stud Kit","description":"\u003cstyle\u003e\n  \/* ── Reset \u0026 Scope ─────────────────────────────────────────── *\/\n  .mh-prod *{box-sizing:border-box;margin:0;padding:0}\n  .mh-prod{font-family:'Barlow',sans-serif;color:#1C1C1C;background:#F8F6F3;line-height:1.6}\n\n  \/* ── Google Fonts ───────────────────────────────────────────── *\/\n  @import url('https:\/\/fonts.googleapis.com\/css2?family=Barlow:wght@400;500;600\u0026family=Barlow+Condensed:wght@600;700;800\u0026display=swap');\n\n  \/* ── Tokens ─────────────────────────────────────────────────── *\/\n  .mh-prod{\n    --red:#C8102E;\n    --ink:#1C1C1C;\n    --muted:#5A5A5A;\n    --cream:#F8F6F3;\n    --white:#FFFFFF;\n    --border:#E0DDD8;\n    --stripe:#EBEBEB;\n  }\n\n  \/* ── BMW Tricolor Header Strip ───────────────────────────────── *\/\n  .mh-tricolor{display:flex;height:4px;width:100%;margin-bottom:0}\n  .mh-tricolor span{flex:1}\n  .mh-tricolor span:nth-child(1){background:#0066B2}\n  .mh-tricolor span:nth-child(2){background:#1C1C1C}\n  .mh-tricolor span:nth-child(3){background:#C8102E}\n\n  \/* ── Hero Banner ─────────────────────────────────────────────── *\/\n  .mh-hero{\n    background:#1C1C1C;\n    padding:32px 28px 28px;\n    position:relative;\n    overflow:hidden;\n  }\n  .mh-hero::before{\n    content:'';\n    position:absolute;inset:0;\n    background:\n      repeating-linear-gradient(45deg,transparent,transparent 3px,rgba(255,255,255,0.02) 3px,rgba(255,255,255,0.02) 6px),\n      repeating-linear-gradient(-45deg,transparent,transparent 3px,rgba(255,255,255,0.015) 3px,rgba(255,255,255,0.015) 6px);\n  }\n  .mh-hero-inner{position:relative;z-index:1}\n  .mh-eyebrow{\n    font-family:'Barlow Condensed',sans-serif;\n    font-size:11px;font-weight:700;letter-spacing:0.15em;\n    text-transform:uppercase;color:var(--red);\n    margin-bottom:10px;\n  }\n  .mh-hero h1{\n    font-family:'Barlow Condensed',sans-serif;\n    font-size:clamp(22px,4vw,30px);font-weight:800;\n    color:#FFFFFF;line-height:1.1;margin-bottom:14px;\n    text-transform:uppercase;letter-spacing:0.02em;\n  }\n  .mh-hero h1 span{color:var(--red)}\n  .mh-hero-tagline{\n    font-size:14px;color:rgba(255,255,255,0.65);\n    max-width:480px;line-height:1.5;\n  }\n\n  \/* ── Badge Row ───────────────────────────────────────────────── *\/\n  .mh-badges{\n    display:flex;flex-wrap:wrap;gap:8px;\n    padding:20px 28px;\n    background:var(--white);\n    border-bottom:1px solid var(--border);\n  }\n  .mh-badge{\n    display:inline-flex;align-items:center;gap:5px;\n    padding:5px 12px;border-radius:3px;\n    font-family:'Barlow Condensed',sans-serif;\n    font-size:12px;font-weight:700;letter-spacing:0.06em;\n    text-transform:uppercase;white-space:nowrap;\n  }\n  .mh-badge-red{background:var(--red);color:#FFFFFF}\n  .mh-badge-dark{background:#1C1C1C;color:#FFFFFF}\n  .mh-badge-outline{background:transparent;color:var(--ink);border:1.5px solid var(--border)}\n\n  \/* ── Section Layout ──────────────────────────────────────────── *\/\n  .mh-section{padding:28px 28px;background:var(--white)}\n  .mh-section + .mh-section{border-top:1px solid var(--border)}\n  .mh-section-dark{background:#1C1C1C;color:#FFFFFF}\n  .mh-section-cream{background:var(--cream)}\n\n  .mh-section-label{\n    font-family:'Barlow Condensed',sans-serif;\n    font-size:10px;font-weight:700;letter-spacing:0.18em;\n    text-transform:uppercase;color:var(--red);\n    margin-bottom:10px;\n  }\n  .mh-section-title{\n    font-family:'Barlow Condensed',sans-serif;\n    font-size:20px;font-weight:700;\n    text-transform:uppercase;letter-spacing:0.03em;\n    color:var(--ink);margin-bottom:16px;\n  }\n  .mh-section-dark .mh-section-title{color:#FFFFFF}\n\n  \/* ── Problem \/ Solution Two-Col ──────────────────────────────── *\/\n  .mh-split{display:grid;grid-template-columns:1fr 1fr;gap:16px}\n  @media(max-width:580px){.mh-split{grid-template-columns:1fr}}\n\n  .mh-problem-card,.mh-solution-card{\n    padding:18px 20px;border-radius:4px;\n  }\n  .mh-problem-card{\n    background:#FFF5F5;border-left:3px solid #E24B4A;\n  }\n  .mh-solution-card{\n    background:#F0FAF5;border-left:3px solid #1D9E75;\n  }\n  .mh-card-icon{font-size:20px;margin-bottom:8px}\n  .mh-card-label{\n    font-family:'Barlow Condensed',sans-serif;\n    font-size:11px;font-weight:700;letter-spacing:0.12em;\n    text-transform:uppercase;margin-bottom:6px;\n  }\n  .mh-problem-card .mh-card-label{color:#A32D2D}\n  .mh-solution-card .mh-card-label{color:#0F6E56}\n  .mh-card-text{font-size:14px;line-height:1.55;color:var(--ink)}\n\n  \/* ── Spec Table ───────────────────────────────────────────────── *\/\n  .mh-spec-table{width:100%;border-collapse:collapse;font-size:14px}\n  .mh-spec-table tr{border-bottom:1px solid var(--stripe)}\n  .mh-spec-table tr:last-child{border-bottom:none}\n  .mh-spec-table td{padding:10px 0;vertical-align:top}\n  .mh-spec-table td:first-child{\n    color:var(--muted);width:45%;\n    font-size:13px;padding-right:12px;\n  }\n  .mh-spec-table td:last-child{font-weight:600;color:var(--ink)}\n  .mh-spec-highlight td:last-child{color:var(--red)}\n\n  \/* ── Feature Grid ─────────────────────────────────────────────── *\/\n  .mh-features{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:12px}\n  .mh-feature-card{\n    background:var(--cream);border:1px solid var(--border);\n    border-radius:4px;padding:16px;\n  }\n  .mh-feature-icon{\n    width:36px;height:36px;border-radius:3px;\n    background:var(--red);display:flex;align-items:center;justify-content:center;\n    margin-bottom:10px;\n  }\n  .mh-feature-icon svg{width:18px;height:18px;fill:none;stroke:#FFFFFF;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}\n  .mh-feature-title{\n    font-family:'Barlow Condensed',sans-serif;\n    font-size:13px;font-weight:700;text-transform:uppercase;\n    letter-spacing:0.05em;color:var(--ink);margin-bottom:4px;\n  }\n  .mh-feature-desc{font-size:13px;color:var(--muted);line-height:1.45}\n\n  \/* ── Fitment Table ────────────────────────────────────────────── *\/\n  .mh-fitment-table{width:100%;border-collapse:collapse;font-size:13px}\n  .mh-fitment-table thead tr{background:#1C1C1C}\n  .mh-fitment-table thead th{\n    color:#FFFFFF;padding:9px 12px;text-align:left;\n    font-family:'Barlow Condensed',sans-serif;\n    font-size:11px;font-weight:700;letter-spacing:0.1em;text-transform:uppercase;\n  }\n  .mh-fitment-table tbody tr:nth-child(even){background:var(--stripe)}\n  .mh-fitment-table tbody tr:nth-child(odd){background:var(--white)}\n  .mh-fitment-table tbody td{\n    padding:8px 12px;color:var(--ink);\n    border-bottom:1px solid var(--border);\n  }\n  .mh-fitment-table tbody td:first-child{font-weight:600}\n\n  \/* ── Why Conversion Callout ───────────────────────────────────── *\/\n  .mh-callout{\n    background:#1C1C1C;color:#FFFFFF;\n    padding:24px 28px;border-radius:0;\n    border-left:4px solid var(--red);\n    margin:0;\n  }\n  .mh-callout-title{\n    font-family:'Barlow Condensed',sans-serif;\n    font-size:16px;font-weight:700;text-transform:uppercase;\n    letter-spacing:0.05em;color:var(--red);margin-bottom:8px;\n  }\n  .mh-callout-text{font-size:14px;color:rgba(255,255,255,0.80);line-height:1.6}\n\n  \/* ── Install Notes ────────────────────────────────────────────── *\/\n  .mh-steps{list-style:none;counter-reset:step}\n  .mh-steps li{\n    counter-increment:step;\n    display:flex;align-items:flex-start;gap:14px;\n    padding:12px 0;border-bottom:1px solid var(--border);\n    font-size:14px;color:var(--ink);line-height:1.5;\n  }\n  .mh-steps li:last-child{border-bottom:none}\n  .mh-steps li::before{\n    content:counter(step);\n    min-width:26px;height:26px;border-radius:50%;\n    background:var(--red);color:#FFFFFF;\n    display:flex;align-items:center;justify-content:center;\n    font-family:'Barlow Condensed',sans-serif;\n    font-size:13px;font-weight:700;flex-shrink:0;margin-top:1px;\n  }\n\n  \/* ── FAQ ──────────────────────────────────────────────────────── *\/\n  .mh-faq-item{border-bottom:1px solid var(--border);padding:14px 0}\n  .mh-faq-item:last-child{border-bottom:none}\n  .mh-faq-q{\n    font-family:'Barlow Condensed',sans-serif;\n    font-size:15px;font-weight:700;color:var(--ink);\n    text-transform:uppercase;letter-spacing:0.03em;margin-bottom:6px;\n  }\n  .mh-faq-a{font-size:14px;color:var(--muted);line-height:1.55}\n\n  \/* ── Footer strip ─────────────────────────────────────────────── *\/\n  .mh-footer{\n    background:var(--cream);border-top:1px solid var(--border);\n    padding:20px 28px;\n    display:flex;align-items:center;justify-content:space-between;\n    flex-wrap:wrap;gap:12px;\n  }\n  .mh-footer-brand{\n    font-family:'Barlow Condensed',sans-serif;\n    font-size:12px;font-weight:700;letter-spacing:0.1em;\n    text-transform:uppercase;color:var(--muted);\n  }\n  .mh-footer-brand span{color:var(--red)}\n  .mh-footer-link{\n    font-size:13px;color:var(--red);text-decoration:none;font-weight:600;\n  }\n  .mh-footer-link:hover{text-decoration:underline}\n\u003c\/style\u003e\n\u003cdiv class=\"mh-prod\"\u003e\n\u003c!-- Tricolor Header Strip --\u003e\n\u003cdiv class=\"mh-tricolor\"\u003e\n\u003cspan\u003e\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\u003cbr\u003e\n\u003c\/div\u003e\n\u003c!-- ── HERO ──────────────────────────────────────────────────── --\u003e\n\u003cdiv class=\"mh-hero\"\u003e\n\u003cdiv class=\"mh-hero-inner\"\u003e\n\u003cdiv class=\"mh-eyebrow\"\u003eMotorsport Hardware  |  Endurance Series\u003c\/div\u003e\n\u003ch1\u003eConversion Stud\u003cbr\u003e\u003cspan\u003e14×1.25 → 14×1.5\u003c\/span\u003e\u003cbr\u003e78mm Endurance Race Kit\u003c\/h1\u003e\n\u003cp class=\"mh-hero-tagline\"\u003eThe strongest stud we carry — built for cars that see real track time. Converts your fine-thread BMW hub to a coarse thread that's nearly impossible to cross-thread.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!-- ── BADGE ROW ─────────────────────────────────────────────── --\u003e\n\u003cdiv class=\"mh-badges\"\u003e\n\u003cspan class=\"mh-badge mh-badge-red\"\u003e12.9 Grade Hardness\u003c\/span\u003e \u003cspan class=\"mh-badge mh-badge-dark\"\u003e260,000 lb Tensile Strength\u003c\/span\u003e \u003cspan class=\"mh-badge mh-badge-outline\"\u003eMade in the USA\u003c\/span\u003e \u003cspan class=\"mh-badge mh-badge-outline\"\u003eProprietary Forged Alloy\u003c\/span\u003e \u003cspan class=\"mh-badge mh-badge-outline\"\u003eF \/ G Series BMW\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c!-- ── WHY THIS EXISTS ────────────────────────────────────────── --\u003e\n\u003cdiv class=\"mh-section\"\u003e\n\u003cdiv class=\"mh-section-label\"\u003eThe Problem\u003c\/div\u003e\n\u003cdiv class=\"mh-section-title\"\u003eWhy BMW's Factory Studs Aren't Enough for Track Use\u003c\/div\u003e\n\u003cdiv class=\"mh-split\"\u003e\n\u003cdiv class=\"mh-problem-card\"\u003e\n\u003cdiv class=\"mh-card-label\"\u003eStock Setup\u003c\/div\u003e\n\u003cp class=\"mh-card-text\"\u003eThe fine 14×1.25 thread pitch on F and G chassis hubs is notorious at the track. Repeated wheel swaps, hot lug nuts, and tired hands make cross-threading almost inevitable — and one bad install can destroy a wheel hub.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"mh-solution-card\"\u003e\n\u003cdiv class=\"mh-card-label\"\u003eConversion Solution\u003c\/div\u003e\n\u003cp class=\"mh-card-text\"\u003eThis kit threads into the stock 14×1.25 hub and presents a coarse 14×1.5 thread to your lug nuts. Coarse threads are far more forgiving to install quickly and under pressure — exactly what you need in a tire-change scenario.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!-- ── KEY CALLOUT ────────────────────────────────────────────── --\u003e\n\u003cdiv class=\"mh-callout\"\u003e\n\u003cdiv class=\"mh-callout-title\"\u003eWhy \"Endurance\" Grade?\u003c\/div\u003e\n\u003cp class=\"mh-callout-text\"\u003eThe Endurance Race Stud uses a proprietary forged steel alloy formulation — the same supply chain as nuclear power plant fastener manufacturers. Grade 12.9 hardness means an axial tensile strength of 260,000 lbs minimum. For comparison, the commonly used Grade 10.9 studs max out around 190,000 lbs. If you're running back-to-back sessions or relying on your hardware all weekend, this is the spec you want.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c!-- ── FEATURES ───────────────────────────────────────────────── --\u003e\n\u003cdiv class=\"mh-section mh-section-cream\"\u003e\n\u003cdiv class=\"mh-section-label\"\u003eWhat You Get\u003c\/div\u003e\n\u003cdiv class=\"mh-section-title\"\u003eEngineering Highlights\u003c\/div\u003e\n\u003cdiv class=\"mh-features\"\u003e\n\u003cdiv class=\"mh-feature-card\"\u003e\n\u003cdiv class=\"mh-feature-icon\"\u003e\n\u003c!-- Shield \/ strength icon --\u003e \u003csvg viewbox=\"0 0 24 24\"\u003e\u003cpath d=\"M12 3L4 7v5c0 5.25 3.75 10.13 8 11.25C16.25 22.13 20 17.25 20 12V7L12 3z\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"mh-feature-title\"\u003eWider Stud Body\u003c\/div\u003e\n\u003cp class=\"mh-feature-desc\"\u003eLarger diameter shank vs. stock studs provides increased shear strength under lateral load.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"mh-feature-card\"\u003e\n\u003cdiv class=\"mh-feature-icon\"\u003e\n\u003c!-- Thread \/ wrench icon --\u003e \u003csvg viewbox=\"0 0 24 24\"\u003e\u003cpath d=\"M14.7 6.3a1 1 0 0 0 0 1.4l1.6 1.6a1 1 0 0 0 1.4 0l3.77-3.77a6 6 0 0 1-7.94 7.94l-6.91 6.91a2.12 2.12 0 0 1-3-3l6.91-6.91a6 6 0 0 1 7.94-7.94l-3.76 3.76z\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"mh-feature-title\"\u003eSmooth Nut Engagement\u003c\/div\u003e\n\u003cp class=\"mh-feature-desc\"\u003eDespite the diameter increase, nut threading remains smooth and consistent. No binding, no galling.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"mh-feature-card\"\u003e\n\u003cdiv class=\"mh-feature-icon\"\u003e\n\u003c!-- Flag \/ race icon --\u003e \u003csvg viewbox=\"0 0 24 24\"\u003e\u003cpath d=\"M4 15s1-1 4-1 5 2 8 2 4-1 4-1V3s-1 1-4 1-5-2-8-2-4 1-4 1z\"\u003e\u003c\/path\u003e\u003cline x1=\"4\" y1=\"22\" x2=\"4\" y2=\"15\"\u003e\u003c\/line\u003e\u003c\/svg\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"mh-feature-title\"\u003eTrack \/ Race Ready\u003c\/div\u003e\n\u003cp class=\"mh-feature-desc\"\u003eDesigned for cars that see real grid time — endurance events, time attack, or any application with frequent wheel changes.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"mh-feature-card\"\u003e\n\u003cdiv class=\"mh-feature-icon\"\u003e\n\u003c!-- Star \/ quality icon --\u003e \u003csvg viewbox=\"0 0 24 24\"\u003e\u003cpolygon points=\"12 2 15.09 8.26 22 9.27 17 14.14 18.18 21.02 12 17.77 5.82 21.02 7 14.14 2 9.27 8.91 8.26 12 2\"\u003e\u003c\/polygon\u003e\u003c\/svg\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"mh-feature-title\"\u003eNuclear-Grade Supply Chain\u003c\/div\u003e\n\u003cp class=\"mh-feature-desc\"\u003eManufactured in the USA by a supplier that produces fasteners for nuclear power plants. Traceability and consistency are built into the process.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"mh-feature-card\"\u003e\n\u003cdiv class=\"mh-feature-icon\"\u003e\n\u003c!-- Arrow icon --\u003e \u003csvg viewbox=\"0 0 24 24\"\u003e\u003cline x1=\"5\" y1=\"12\" x2=\"19\" y2=\"12\"\u003e\u003c\/line\u003e\u003cpolyline points=\"12 5 19 12 12 19\"\u003e\u003c\/polyline\u003e\u003c\/svg\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"mh-feature-title\"\u003eProtects Your Hub\u003c\/div\u003e\n\u003cp class=\"mh-feature-desc\"\u003eStop risking your wheel hub every time a wheel goes on and off. The coarse thread is forgiving — your hub stays clean.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"mh-feature-card\"\u003e\n\u003cdiv class=\"mh-feature-icon\"\u003e\n\u003c!-- Settings \/ gear icon --\u003e \u003csvg viewbox=\"0 0 24 24\"\u003e\u003ccircle cx=\"12\" cy=\"12\" r=\"3\"\u003e\u003c\/circle\u003e\u003cpath d=\"M19.4 15a1.65 1.65 0 0 0 .33 1.82l.06.06a2 2 0 0 1-2.83 2.83l-.06-.06a1.65 1.65 0 0 0-1.82-.33 1.65 1.65 0 0 0-1 1.51V21a2 2 0 0 1-4 0v-.09A1.65 1.65 0 0 0 9 19.4a1.65 1.65 0 0 0-1.82.33l-.06.06a2 2 0 0 1-2.83-2.83l.06-.06A1.65 1.65 0 0 0 4.68 15a1.65 1.65 0 0 0-1.51-1H3a2 2 0 0 1 0-4h.09A1.65 1.65 0 0 0 4.6 9a1.65 1.65 0 0 0-.33-1.82l-.06-.06a2 2 0 0 1 2.83-2.83l.06.06A1.65 1.65 0 0 0 9 4.68a1.65 1.65 0 0 0 1-1.51V3a2 2 0 0 1 4 0v.09a1.65 1.65 0 0 0 1 1.51 1.65 1.65 0 0 0 1.82-.33l.06-.06a2 2 0 0 1 2.83 2.83l-.06.06A1.65 1.65 0 0 0 19.4 9a1.65 1.65 0 0 0 1.51 1H21a2 2 0 0 1 0 4h-.09a1.65 1.65 0 0 0-1.51 1z\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"mh-feature-title\"\u003eDrop-In Fitment\u003c\/div\u003e\n\u003cp class=\"mh-feature-desc\"\u003eThreads directly into your existing 14×1.25 hub — no drilling, no machining, no modifications required.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!-- ── SPECS ──────────────────────────────────────────────────── --\u003e\n\u003cdiv class=\"mh-section\"\u003e\n\u003cdiv class=\"mh-section-label\"\u003eTechnical Data\u003c\/div\u003e\n\u003cdiv class=\"mh-section-title\"\u003eProduct Specifications\u003c\/div\u003e\n\u003ctable class=\"mh-spec-table\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eHub Thread (Install Side)\u003c\/td\u003e\n\u003ctd\u003e14×1.25 (fine)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"mh-spec-highlight\"\u003e\n\u003ctd\u003eNut Thread (Lug Side)\u003c\/td\u003e\n\u003ctd\u003e14×1.5 (coarse)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStud Length\u003c\/td\u003e\n\u003ctd\u003e78mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003eProprietary Forged Steel Alloy\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"mh-spec-highlight\"\u003e\n\u003ctd\u003eGrade\u003c\/td\u003e\n\u003ctd\u003e12.9 (Motorsport \/ Industrial)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"mh-spec-highlight\"\u003e\n\u003ctd\u003eAxial Tensile Strength\u003c\/td\u003e\n\u003ctd\u003e260,000 lbs minimum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOrigin\u003c\/td\u003e\n\u003ctd\u003eMade in the USA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSupplier Classification\u003c\/td\u003e\n\u003ctd\u003eNuclear Power Plant Grade\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eKit Contents\u003c\/td\u003e\n\u003ctd\u003eComplete kit for your vehicle (4-wheel), available in 4-lug or 5-lug\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInstallation Method\u003c\/td\u003e\n\u003ctd\u003eDouble Nut method\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompatible Nut Seat\u003c\/td\u003e\n\u003ctd\u003eConical Seat (see variant options)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c!-- ── FITMENT ────────────────────────────────────────────────── --\u003e\n\u003cdiv class=\"mh-section mh-section-cream\"\u003e\n\u003cdiv class=\"mh-section-label\"\u003eVehicle Compatibility\u003c\/div\u003e\n\u003cdiv class=\"mh-section-title\"\u003eFitment Guide\u003c\/div\u003e\n\u003cp style=\"font-size: 14px; color: #5a5a5a; margin-bottom: 16px; line-height: 1.55;\"\u003eAll BMW F and G chassis models with a 14×1.25 hub thread. If you run spacers or aftermarket wheels with a 14×1.5 lug nut, this is your solution.\u003c\/p\u003e\n\u003ctable class=\"mh-fitment-table\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003cth\u003eChassis\u003c\/th\u003e\n\u003cth\u003eYears\u003c\/th\u003e\n\u003cth\u003eNotes\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eM2 \/ M2 Competition \/ M2 CS\u003c\/td\u003e\n\u003ctd\u003eF87\u003c\/td\u003e\n\u003ctd\u003e2016–2021\u003c\/td\u003e\n\u003ctd\u003e14×1.25 OEM hub\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eM3\u003c\/td\u003e\n\u003ctd\u003eF80\u003c\/td\u003e\n\u003ctd\u003e2014–2018\u003c\/td\u003e\n\u003ctd\u003e14×1.25 OEM hub\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eM4 \/ M4 GTS \/ M4 CS\u003c\/td\u003e\n\u003ctd\u003eF82 \/ F83\u003c\/td\u003e\n\u003ctd\u003e2014–2020\u003c\/td\u003e\n\u003ctd\u003e14×1.25 OEM hub\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eM3 \/ M4\u003c\/td\u003e\n\u003ctd\u003eG80 \/ G82 \/ G83\u003c\/td\u003e\n\u003ctd\u003e2021+\u003c\/td\u003e\n\u003ctd\u003e14×1.25 OEM hub\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eM5\u003c\/td\u003e\n\u003ctd\u003eF90\u003c\/td\u003e\n\u003ctd\u003e2018–2023\u003c\/td\u003e\n\u003ctd\u003e14×1.25 OEM hub\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eM8 \/ M8 Competition\u003c\/td\u003e\n\u003ctd\u003eF91 \/ F92 \/ F93\u003c\/td\u003e\n\u003ctd\u003e2019+\u003c\/td\u003e\n\u003ctd\u003e14×1.25 OEM hub\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eM2\u003c\/td\u003e\n\u003ctd\u003eG87\u003c\/td\u003e\n\u003ctd\u003e2023+\u003c\/td\u003e\n\u003ctd\u003e14×1.25 OEM hub\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eToyota GR Supra\u003c\/td\u003e\n\u003ctd\u003eA90 \/ A91 (J29)\u003c\/td\u003e\n\u003ctd\u003e2020+\u003c\/td\u003e\n\u003ctd\u003eShares 14×1.25 BMW hub\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e330i \/ 340i \/ M340i\u003c\/td\u003e\n\u003ctd\u003eF30 \/ G20\u003c\/td\u003e\n\u003ctd\u003e2012+\u003c\/td\u003e\n\u003ctd\u003eVerify hub thread before ordering\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp style=\"font-size: 12px; color: #888; margin-top: 10px; line-height: 1.5;\"\u003eNot sure about your hub thread? Check your existing lug bolts or contact us before ordering. Some non-M models use 14×1.5 from the factory and do not require this conversion.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c!-- ── INSTALLATION ───────────────────────────────────────────── --\u003e\n\u003cdiv class=\"mh-section\"\u003e\n\u003cdiv class=\"mh-section-label\"\u003eInstall Notes\u003c\/div\u003e\n\u003cdiv class=\"mh-section-title\"\u003eQuick Installation Overview\u003c\/div\u003e\n\u003col class=\"mh-steps\"\u003e\n\u003cli\u003eRemove the wheel and clean the hub face thoroughly. Make sure the threaded holes are free of old thread locking compound or debris.\u003c\/li\u003e\n\u003cli\u003eApply a small amount of blue thread locker (Loctite 243 or equivalent) to the 14×1.25 install end of each stud.\u003c\/li\u003e\n\u003cli\u003eThread the stud into the hub using the double nut method: thread two 14×1.5 nuts onto the lug side of the stud, tighten them against each other, then use the outer nut to drive the stud into the hub. Torque to spec, then remove both nuts.\u003c\/li\u003e\n\u003cli\u003eInstall your wheel and torque lug nuts to spec using the 14×1.5 thread side. Recommended: 88–100 ft-lbs depending on nut type.\u003c\/li\u003e\n\u003cli\u003eAfter your first drive session, re-check torque. Re-torque after each session for the first few outings.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp style=\"font-size: 13px; color: #888; margin-top: 14px;\"\u003eNeed help with install or torque specs? \u003ca href=\"\/pages\/contact-us\" style=\"color: #c8102e; font-weight: 600;\"\u003eContact us here\u003c\/a\u003e — we're happy to talk through it.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c!-- ── FAQ ────────────────────────────────────────────────────── --\u003e\n\u003cdiv class=\"mh-section mh-section-cream\"\u003e\n\u003cdiv class=\"mh-section-label\"\u003eCommon Questions\u003c\/div\u003e\n\u003cdiv class=\"mh-section-title\"\u003eFAQ\u003c\/div\u003e\n\u003cdiv class=\"mh-faq-item\"\u003e\n\u003cdiv class=\"mh-faq-q\"\u003eDo I need to change my lug nuts?\u003c\/div\u003e\n\u003cp class=\"mh-faq-a\"\u003eYes — this kit changes your lug side thread from 14×1.25 to 14×1.5. If you're currently using factory BMW lug bolts, those won't work. You'll need a set of 14×1.5 lug nuts (conical or ball seat depending on your wheel). Nut options are available as variants on this listing.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"mh-faq-item\"\u003e\n\u003cdiv class=\"mh-faq-q\"\u003eCan I run this on the street?\u003c\/div\u003e\n\u003cp class=\"mh-faq-a\"\u003eAbsolutely. The Endurance stud is overkill for street use, which means it's perfect. Plenty of customers run this daily because they want the security of 12.9 grade hardware regardless of track use.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"mh-faq-item\"\u003e\n\u003cdiv class=\"mh-faq-q\"\u003eWhat's the difference between this and the Black Bullet Nose kit?\u003c\/div\u003e\n\u003cp class=\"mh-faq-a\"\u003eBoth convert 14×1.25 to 14×1.5. The Black Bullet Nose kit is rated to 10.9 grade (~190,000 lbs tensile). This Endurance kit uses the upgraded 12.9 proprietary forged alloy for higher strength and is recommended for track \/ endurance \/ motorsport use.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"mh-faq-item\"\u003e\n\u003cdiv class=\"mh-faq-q\"\u003eWill this work with wheel spacers?\u003c\/div\u003e\n\u003cp class=\"mh-faq-a\"\u003eYes. The extended thread design is rated to accept up to a 20mm spacer. For spacers thicker than 20mm you'd want to look at a longer stud — reach out and we can help you find the right option.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"mh-faq-item\"\u003e\n\u003cdiv class=\"mh-faq-q\"\u003eHow many studs are in a kit?\u003c\/div\u003e\n\u003cp class=\"mh-faq-a\"\u003eEach kit is a complete set for your full vehicle — available in 4-lug or 5-lug configuration. One kit covers all four wheels. If you need a different quantity, contact Motorsport Hardware directly at info@kiesmotorsports.com.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!-- ── FOOTER ─────────────────────────────────────────────────── --\u003e\n\u003cdiv class=\"mh-footer\"\u003e\n\u003cspan class=\"mh-footer-brand\"\u003eSold by \u003cspan\u003eKies Motorsports\u003c\/span\u003e  |  Manufactured by Motorsport Hardware\u003c\/span\u003e \u003ca class=\"mh-footer-link\" href=\"\/pages\/contact-us\"\u003eQuestions? Contact Us →\u003c\/a\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!-- ════════════════════════════════════════════════════════════════\n  JSON-LD STRUCTURED DATA — SEO \/ AI Search\n  ════════════════════════════════════════════════════════════════ --\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Motorsport Hardware","offers":[{"title":"None \/ None","offer_id":42475248418901,"sku":"MH-78mm-ERSK-1412515-None-None","price":156.0,"currency_code":"USD","in_stock":true},{"title":"None \/ Black - 17mm Hex STANDARD (+$87.00)","offer_id":42475248451669,"sku":"MH-78mm-ERSK-1412515-None-B17mmHS","price":243.0,"currency_code":"USD","in_stock":true},{"title":"None \/ NeoChrome - 17mm Hex STANDARD (+$87.00)","offer_id":42475248484437,"sku":"MH-78mm-ERSK-1412515-None-N17mmHS","price":243.0,"currency_code":"USD","in_stock":true},{"title":"None \/ Gun Metal - 17mm Hex STANDARD (+$87.00)","offer_id":42475248517205,"sku":"MH-78mm-ERSK-1412515-None-GM17mmHS","price":243.0,"currency_code":"USD","in_stock":true},{"title":"None \/ Black - 19mm Hex HIGH TORQUE (+95.00)","offer_id":42475248549973,"sku":"MH-78mm-ERSK-1412515-None-","price":251.0,"currency_code":"USD","in_stock":true},{"title":"None \/ NeoChrome - 19mm Hex HIGH TORQUE (+$95.00)","offer_id":42475248582741,"sku":"MH-78mm-ERSK-1412515-None-N19mmHT","price":251.0,"currency_code":"USD","in_stock":true},{"title":"None \/ Gun Metal - 19mm Hex HIGH TORQUE (+$95.00)","offer_id":42475248615509,"sku":"MH-78mm-ERSK-1412515-None-GM19mmHT","price":251.0,"currency_code":"USD","in_stock":true},{"title":"Silver 17mm Conical Seat Nuts (+$23) \/ None","offer_id":42475248648277,"sku":"MH-78mm-ERSK-1412515-S17mmCSN-None","price":179.0,"currency_code":"USD","in_stock":true},{"title":"Silver 17mm Conical Seat Nuts (+$23) \/ Black - 17mm Hex STANDARD (+$87.00)","offer_id":42475248681045,"sku":"MH-78mm-ERSK-1412515-S17mmCSN-B17mmHS","price":266.0,"currency_code":"USD","in_stock":true},{"title":"Silver 17mm Conical Seat Nuts (+$23) \/ NeoChrome - 17mm Hex STANDARD (+$87.00)","offer_id":42475248713813,"sku":"MH-78mm-ERSK-1412515-S17mmCSN-N17mmHS","price":266.0,"currency_code":"USD","in_stock":true},{"title":"Silver 17mm Conical Seat Nuts (+$23) \/ Gun Metal - 17mm Hex STANDARD (+$87.00)","offer_id":42475248746581,"sku":"MH-78mm-ERSK-1412515-S17mmCSN-GM17mmHS","price":266.0,"currency_code":"USD","in_stock":true},{"title":"Silver 17mm Conical Seat Nuts (+$23) \/ Black - 19mm Hex HIGH TORQUE (+95.00)","offer_id":42475248779349,"sku":"MH-78mm-ERSK-1412515-S17mmCSN-B19mmHT","price":274.0,"currency_code":"USD","in_stock":true},{"title":"Silver 17mm Conical Seat Nuts (+$23) \/ NeoChrome - 19mm Hex HIGH TORQUE (+$95.00)","offer_id":42475248812117,"sku":"MH-78mm-ERSK-1412515-S17mmCSN-N19mmHT","price":274.0,"currency_code":"USD","in_stock":true},{"title":"Silver 17mm Conical Seat Nuts (+$23) \/ Gun Metal - 19mm Hex HIGH TORQUE (+$95.00)","offer_id":42475248844885,"sku":"MH-78mm-ERSK-1412515-S17mmCSN-GM19mmHT","price":274.0,"currency_code":"USD","in_stock":true},{"title":"Black 17mm Conical Seat Nuts (+$32) \/ None","offer_id":42475248877653,"sku":"MH-78mm-ERSK-1412515-B17mmCSN-None","price":188.0,"currency_code":"USD","in_stock":true},{"title":"Black 17mm Conical Seat Nuts (+$32) \/ Black - 17mm Hex STANDARD (+$87.00)","offer_id":42475248910421,"sku":"MH-78mm-ERSK-1412515-B17mmCSN-B17mmHS","price":275.0,"currency_code":"USD","in_stock":true},{"title":"Black 17mm Conical Seat Nuts (+$32) \/ NeoChrome - 17mm Hex STANDARD (+$87.00)","offer_id":42475248943189,"sku":"MH-78mm-ERSK-1412515-B17mmCSN-N17mmHS","price":275.0,"currency_code":"USD","in_stock":true},{"title":"Black 17mm Conical Seat Nuts (+$32) \/ Gun Metal - 17mm Hex STANDARD (+$87.00)","offer_id":42475248975957,"sku":"MH-78mm-ERSK-1412515-B17mmCSN-GM17mmHS","price":275.0,"currency_code":"USD","in_stock":true},{"title":"Black 17mm Conical Seat Nuts (+$32) \/ Black - 19mm Hex HIGH TORQUE (+95.00)","offer_id":42475249008725,"sku":"MH-78mm-ERSK-1412515-B17mmCSN-B19mmHT","price":283.0,"currency_code":"USD","in_stock":true},{"title":"Black 17mm Conical Seat Nuts (+$32) \/ NeoChrome - 19mm Hex HIGH TORQUE (+$95.00)","offer_id":42475249041493,"sku":"MH-78mm-ERSK-1412515-B17mmCSN-N19mmHT","price":283.0,"currency_code":"USD","in_stock":true},{"title":"Black 17mm Conical Seat Nuts (+$32) \/ Gun Metal - 19mm Hex HIGH TORQUE (+$95.00)","offer_id":42475249074261,"sku":"MH-78mm-ERSK-1412515-B17mmCSN-GM19mmHT","price":283.0,"currency_code":"USD","in_stock":true},{"title":"Black TUNER LOCK Conical Nut \u0026 Key (+$40) \/ None","offer_id":42475249107029,"sku":"MH-78mm-ERSK-1412515-BTLCN-None","price":196.0,"currency_code":"USD","in_stock":true},{"title":"Black TUNER LOCK Conical Nut \u0026 Key (+$40) \/ Black - 17mm Hex STANDARD (+$87.00)","offer_id":42475249139797,"sku":"MH-78mm-ERSK-1412515-BTLCN-B17mmHS","price":283.0,"currency_code":"USD","in_stock":true},{"title":"Black TUNER LOCK Conical Nut \u0026 Key (+$40) \/ NeoChrome - 17mm Hex STANDARD (+$87.00)","offer_id":42475249172565,"sku":"MH-78mm-ERSK-1412515-BTLCN-N17mmHS","price":283.0,"currency_code":"USD","in_stock":true},{"title":"Black TUNER LOCK Conical Nut \u0026 Key (+$40) \/ Gun Metal - 17mm Hex STANDARD (+$87.00)","offer_id":42475249205333,"sku":"MH-78mm-ERSK-1412515-BTLCN-GM17mmHS","price":283.0,"currency_code":"USD","in_stock":true},{"title":"Black TUNER LOCK Conical Nut \u0026 Key (+$40) \/ Black - 19mm Hex HIGH TORQUE (+95.00)","offer_id":42475249238101,"sku":"MH-78mm-ERSK-1412515-BTLCN-B19mmHT","price":291.0,"currency_code":"USD","in_stock":true},{"title":"Black TUNER LOCK Conical Nut \u0026 Key (+$40) \/ NeoChrome - 19mm Hex HIGH TORQUE (+$95.00)","offer_id":42475249270869,"sku":"MH-78mm-ERSK-1412515-BTLCN-N19mmHT","price":291.0,"currency_code":"USD","in_stock":true},{"title":"Black TUNER LOCK Conical Nut \u0026 Key (+$40) \/ Gun Metal - 19mm Hex HIGH TORQUE (+$95.00)","offer_id":42475249303637,"sku":"MH-78mm-ERSK-1412515-BTLCN-GM19mmHT","price":291.0,"currency_code":"USD","in_stock":true},{"title":"Black 19mm Conical Seat Nut - High Torque\/Durability (+$40) \/ None","offer_id":42475249336405,"sku":"MH-78mm-ERSK-1412515-B19CSNHT-None","price":196.0,"currency_code":"USD","in_stock":true},{"title":"Black 19mm Conical Seat Nut - High Torque\/Durability (+$40) \/ Black - 17mm Hex STANDARD (+$87.00)","offer_id":42475249369173,"sku":"MH-78mm-ERSK-1412515-B19CSNHT-B17mmHS","price":283.0,"currency_code":"USD","in_stock":true},{"title":"Black 19mm Conical Seat Nut - High Torque\/Durability (+$40) \/ NeoChrome - 17mm Hex STANDARD (+$87.00)","offer_id":42475249401941,"sku":"MH-78mm-ERSK-1412515-B19CSNHT-N17mmHS","price":283.0,"currency_code":"USD","in_stock":true},{"title":"Black 19mm Conical Seat Nut - High Torque\/Durability (+$40) \/ Gun Metal - 17mm Hex STANDARD (+$87.00)","offer_id":42475249434709,"sku":"MH-78mm-ERSK-1412515-B19CSNHT-GM17mmHS","price":283.0,"currency_code":"USD","in_stock":true},{"title":"Black 19mm Conical Seat Nut - High Torque\/Durability (+$40) \/ Black - 19mm Hex HIGH TORQUE (+95.00)","offer_id":42475249467477,"sku":"MH-78mm-ERSK-1412515-B19CSNHT-B19mmHT","price":291.0,"currency_code":"USD","in_stock":true},{"title":"Black 19mm Conical Seat Nut - High Torque\/Durability (+$40) \/ NeoChrome - 19mm Hex HIGH TORQUE (+$95.00)","offer_id":42475249500245,"sku":"MH-78mm-ERSK-1412515-B19CSNHT-N19mmHT","price":291.0,"currency_code":"USD","in_stock":true},{"title":"Black 19mm Conical Seat Nut - High Torque\/Durability (+$40) \/ Gun Metal - 19mm Hex HIGH TORQUE (+$95.00)","offer_id":42475249533013,"sku":"MH-78mm-ERSK-1412515-B19CSNHT-GM19mmHT","price":291.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0074\/3702\/5395\/files\/kies-motorsports-motorsport-hardware-conversion-stud-14x1-25-14x1-5-78mm-endurance-race-stud-kit-1237216552.jpg?v=1778267029","url":"https:\/\/www.kiesmotorsports.com\/products\/conversion-stud-14-1-25-14-1-5-78mm-endurance-race-stud-kit","provider":"Kies Motorsports","version":"1.0","type":"link"}