{"product_id":"306382-fg","title":"Atomic Barra 550 GT-A Short Motor","description":"\u003cp\u003e\u003cmeta charset=\"UTF-8\"\u003e \u003cmeta name=\"viewport\" content=\"width=device-width, initial-scale=1.0\"\u003e\u003c\/p\u003e\n\u003cstyle\u003e\n        \/* ATOMIC PERFORMANCE THEME STYLES - LIGHT MODE *\/\n        .atomic-container {\n            font-family: 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;\n            max-width: 1000px;\n            margin: 0 auto;\n            background-color: #ffffff;\n            color: #333333;\n            line-height: 1.6;\n            border: 1px solid #e0e0e0;\n            box-sizing: border-box;\n        }\n\n        \/* BRAND COLORS *\/\n        :root {\n            --atomic-orange: #E4522B;\n            --atomic-purple: #663399;\n            --light-grey: #f4f4f4;\n            --border-color: #ddd;\n        }\n\n        \/* TYPOGRAPHY *\/\n        .atomic-header {\n            text-align: center;\n            padding: 40px 20px;\n            border-bottom: 4px solid var(--atomic-orange);\n            background-color: #fafafa;\n            width: 100%;\n        }\n\n        .atomic-title {\n            color: var(--atomic-orange);\n            font-size: 2.5rem;\n            text-transform: uppercase;\n            margin: 0;\n            font-weight: 900;\n            letter-spacing: 1px;\n            line-height: 1.1;\n        }\n\n        .atomic-subtitle {\n            color: #555;\n            font-size: 1.2rem;\n            margin-top: 10px;\n            font-weight: 400;\n            text-transform: uppercase;\n            letter-spacing: 2px;\n        }\n\n        h2 {\n            color: #222;\n            text-transform: uppercase;\n            font-size: 1.8rem;\n            margin-bottom: 15px;\n            border-left: 5px solid var(--atomic-orange);\n            padding-left: 15px;\n        }\n\n        h3 {\n            color: #333;\n            font-size: 1.4rem;\n            margin-top: 0;\n            font-weight: 700;\n        }\n\n        p {\n            margin-bottom: 15px;\n            color: #444;\n        }\n\n        strong {\n            color: #000;\n        }\n\n        \/* LAYOUT GRIDS *\/\n        .atomic-section {\n            padding: 40px;\n            border-bottom: 1px solid #eee;\n        }\n\n        .atomic-grid {\n            display: grid;\n            grid-template-columns: 1fr 1fr;\n            gap: 40px;\n            align-items: center;\n        }\n\n        .atomic-card-grid {\n            display: grid;\n            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));\n            gap: 20px;\n            margin-top: 30px;\n        }\n\n        \/* FEATURE CARDS *\/\n        .atomic-card {\n            background-color: #f9f9f9;\n            padding: 25px;\n            border: 1px solid var(--border-color);\n            border-top: 4px solid var(--atomic-purple);\n            border-radius: 4px;\n            box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);\n        }\n\n        .atomic-card h3 {\n            color: var(--atomic-purple);\n        }\n\n        \/* IMAGES *\/\n        .atomic-img {\n            width: 100%;\n            height: auto;\n            border-radius: 4px;\n            border: 1px solid #ddd;\n            box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);\n            background-color: #eee; \/* Placeholder background *\/\n            min-height: 250px;\n            object-fit: cover;\n        }\n\n        .img-caption {\n            font-size: 0.85rem;\n            color: #666;\n            text-align: center;\n            margin-top: 8px;\n            font-style: italic;\n        }\n\n        \/* LISTS *\/\n        ul.atomic-list {\n            list-style: none;\n            padding: 0;\n        }\n\n        ul.atomic-list li {\n            padding-left: 25px;\n            position: relative;\n            margin-bottom: 10px;\n            color: #444;\n        }\n\n        ul.atomic-list li::before {\n            content: \"►\";\n            color: var(--atomic-orange);\n            position: absolute;\n            left: 0;\n        }\n\n        \/* TABLE STYLES *\/\n        .atomic-table {\n            width: 100%;\n            border-collapse: collapse;\n            margin-top: 20px;\n            font-size: 0.9rem;\n        }\n        \n        .atomic-table th {\n            background-color: var(--atomic-purple);\n            color: white;\n            padding: 12px;\n            text-align: left;\n        }\n        \n        .atomic-table td {\n            padding: 12px;\n            border-bottom: 1px solid #eee;\n        }\n        \n        .atomic-table tr:nth-child(even) {\n            background-color: #f9f9f9;\n        }\n\n        \/* CTA BUTTON *\/\n        .atomic-cta {\n            display: inline-block;\n            background-color: var(--atomic-orange);\n            color: #fff;\n            padding: 15px 30px;\n            font-size: 1.2rem;\n            font-weight: bold;\n            text-transform: uppercase;\n            text-decoration: none;\n            border-radius: 4px;\n            margin-top: 20px;\n            text-align: center;\n            box-sizing: border-box;\n            transition: background 0.3s;\n            cursor: pointer;\n            border: none;\n        }\n\n        .atomic-cta:hover {\n            background-color: #c03d1b;\n        }\n\n        \/* RESPONSIVE *\/\n        @media (max-width: 768px) {\n            .atomic-grid {\n                grid-template-columns: 1fr;\n            }\n\n            .atomic-title {\n                font-size: 1.8rem;\n            }\n\n            .atomic-section {\n                padding: 20px;\n            }\n        }\n    \u003c\/style\u003e\n\u003cdiv class=\"atomic-container\"\u003e\n\u003c!-- HEADER --\u003e\n\u003cdiv class=\"atomic-header\"\u003e\n\u003ch1 class=\"atomic-title\"\u003eAtomic 550 GT-A Short Engine\u003c\/h1\u003e\n\u003cdiv class=\"atomic-subtitle\"\u003eProfessionally Assembled | 1000HP Rated Short Block\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!-- INTRO SECTION --\u003e\n\u003cdiv class=\"atomic-section\"\u003e\n\u003cdiv class=\"atomic-grid\"\u003e\n\u003cdiv\u003e\n\u003ch2\u003eThe Ultimate Plug-and-Play Bottom End\u003c\/h2\u003e\n\u003cp\u003eCombining the premium components of our proven 550 Rebuild Kit with our rigorous in-house machining and assembly processes, the 550 GT-A Short Engine is the perfect foundation for a high-horsepower street or track build. We take the guesswork out of bearing clearances and ring gaps so you can simply bolt on your cylinder head, accessories, and go.\u003c\/p\u003e\n\u003c!-- DID YOU KNOW SECTION --\u003e\n\u003cdiv style=\"background-color: #f8f4fc; border-left: 5px solid var(--atomic-purple); padding: 20px; margin: 25px 0; border-radius: 4px;\"\u003e\n\u003cstrong style=\"color: var(--atomic-purple); font-size: 1.1rem; display: block; margin-bottom: 8px;\"\u003e💡 DID YOU KNOW?\u003c\/strong\u003e\n\u003cp style=\"margin: 0; font-size: 0.95rem;\"\u003e\u003cstrong\u003eWe ultrasonic test every block.\u003c\/strong\u003e Factory Barra castings can vary wildly in cylinder wall thickness. Before we even start machining, we ultrasonically test the block to ensure it has the core integrity required to handle 1000hp. You receive a full thickness report with your engine, giving you total peace of mind.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch2 style=\"color: var(--atomic-purple); border-left-color: var(--atomic-purple);\"\u003eExpertly Machined \u0026amp; Assembled\u003c\/h2\u003e\n\u003cp\u003eEvery 550 GT-A Short Engine is fully deburred, honed, and decked by our expert machinists. It features our Phase 1 rotating assembly (Superleggera Billet Rods, ICON Forged Pistons, ACL Race bearings), a polished and chamfered factory crankshaft, and is tied together with our 10mm Billet Main Girdle for ultimate block rigidity.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003c!-- PLACEHOLDER FOR SHORT BLOCK IMAGE --\u003e \u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0587\/5548\/1713\/files\/Atomic550short4.jpg?v=1776065653\" alt=\"\" width=\"382\" height=\"573\" style=\"display: block; margin-left: auto; margin-right: auto;\"\u003e\u003cimg class=\"\"\u003e\n\u003cdiv class=\"img-caption\"\u003eAssembled, clearanced, and ready for your top end.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!-- FEATURE GRID --\u003e\n\u003cdiv class=\"atomic-section\" style=\"background-color: #fafafa;\"\u003e\n\u003ch2 style=\"text-align: center; border: none; color: #333;\"\u003eEngineering Highlights\u003c\/h2\u003e\n\u003cdiv class=\"atomic-card-grid\"\u003e\n\u003c!-- CARD 1 --\u003e\n\u003cdiv class=\"atomic-card\"\u003e\n\u003ch3\u003eRotating Assembly\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eICON Forged Pistons\u003c\/strong\u003e paired with \u003cstrong\u003eAtomic Superleggera Billet Rods\u003c\/strong\u003e (CA625 Bolts) and ACL Race Series bearings.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c!-- CARD 2 --\u003e\n\u003cdiv class=\"atomic-card\" style=\"border-top-color: var(--atomic-orange);\"\u003e\n\u003ch3 style=\"color: var(--atomic-orange);\"\u003eBlock Preparation\u003c\/h3\u003e\n\u003cp\u003eUltrasonic thickness tested, thoroughly deburred to remove casting flash, precision honed, and decked for a perfect gasket seal.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c!-- CARD 3 --\u003e\n\u003cdiv class=\"atomic-card\"\u003e\n\u003ch3\u003eBottom End Support\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003e10mm Billet Main Girdle\u003c\/strong\u003e installed to tie the main caps together, preventing cap walk and harmonic chatter under extreme loads.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c!-- CARD 4 --\u003e\n\u003cdiv class=\"atomic-card\" style=\"border-top-color: var(--atomic-orange);\"\u003e\n\u003ch3 style=\"color: var(--atomic-orange);\"\u003ePrecision Assembly\u003c\/h3\u003e\n\u003cp\u003eFully assembled in-house. Bearing clearances and piston ring end gaps are meticulously set to our proprietary high-boost specifications.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!-- DETAILED SPECS --\u003e\n\u003cdiv class=\"atomic-section\"\u003e\n\u003ch2\u003eDetailed Build Specifications\u003c\/h2\u003e\n\u003ch3 style=\"color: var(--atomic-purple); border-bottom: 1px solid #eee; margin-bottom: 15px;\"\u003e1. Block \u0026amp; Machining\u003c\/h3\u003e\n\u003cul class=\"atomic-list\"\u003e\n\u003cli\u003e\n\u003cstrong\u003eBlock Core:\u003c\/strong\u003e Seasoned Ford Barra Block.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTesting:\u003c\/strong\u003e Ultrasonic cylinder wall thickness tested (Report Included).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMachining:\u003c\/strong\u003e Fully deburred, precision honed, and decked.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGirdle:\u003c\/strong\u003e Atomic 10mm High-Tensile Billet Main Cap Girdle installed.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 style=\"color: var(--atomic-purple); border-bottom: 1px solid #eee; margin-bottom: 15px; margin-top: 30px;\"\u003e2. Rotating Assembly\u003c\/h3\u003e\n\u003cul class=\"atomic-list\"\u003e\n\u003cli\u003e\n\u003cstrong\u003eCrankshaft:\u003c\/strong\u003e Standard Ford factory crank; checked, polished, and oil holes chamfered.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePistons:\u003c\/strong\u003e ICON Forged Pistons (Dish Top) with Hastings Rings \u0026amp; Heavy Duty Pins.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConrods:\u003c\/strong\u003e Atomic Superleggera Billet Steel Rods with CA625 Bolts.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBearings:\u003c\/strong\u003e ACL Race Series Main Bearings and Big End Rod Bearings.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 style=\"color: var(--atomic-purple); border-bottom: 1px solid #eee; margin-bottom: 15px; margin-top: 30px;\"\u003e3. Professional Assembly\u003c\/h3\u003e\n\u003cul class=\"atomic-list\"\u003e\n\u003cli\u003e\n\u003cstrong\u003eClearances:\u003c\/strong\u003e Bearing clearances meticulously checked and set for high-performance applications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRing Gaps:\u003c\/strong\u003e Piston rings filed and gapped perfectly for high boost.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDocumentation:\u003c\/strong\u003e Full build sheet provided detailing your specific engine's clearances and ultrasonic test results.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c!-- OPTIONS TABLE --\u003e\n\u003cdiv class=\"atomic-section\" style=\"background-color: #fafafa;\"\u003e\n\u003ch2 style=\"text-align: center; border: none; color: #333;\"\u003eRecommended Upgrades to Complete Your Build\u003c\/h2\u003e\n\u003ctable class=\"atomic-table\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eUpgrade Component\u003c\/th\u003e\n\u003cth\u003eBenefit \u0026amp; Application\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eATI Super Damper\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\n\u003cstrong style=\"color: var(--atomic-orange);\"\u003e*MANDATORY FOR 1000HP RATING*\u003c\/strong\u003e Controls destructive crank harmonics that destroy oil pumps and flexplates at high RPM\/HP.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAtomic Steel Oil Pump\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eUpgrade from the brittle factory sintered gears to a full steel housing and nitrided billet gears to guarantee oil pressure under shock loading.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e12mm Tool Steel Head Studs\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDrop-in replacement for factory head bolts. Required to keep the cylinder head clamped down under boost.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAtomic MLS-D Head Gasket\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eThe ultimate sealing solution to pair with our decked block surface and Tool Steel head studs.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c!-- WARRANTY \u0026 TESTING --\u003e\n\u003cdiv class=\"atomic-section\" style=\"background-color: #fffdf0; border-left: 6px solid #d4a017;\"\u003e\n\u003ch3 style=\"color: #b08d55; margin-top: 0; text-transform: uppercase;\"\u003e⚠️ Core Exchange \u0026amp; Warranty\u003c\/h3\u003e\n\u003cp\u003eThe 550 GT-A Short Engine is sold on an exchange basis, or a core charge applies if you do not have a serviceable block and crank to supply. Please contact us to discuss core availability.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQuality Assurance:\u003c\/strong\u003e You will receive a comprehensive build report verifying your block's ultrasonic thickness and the exact clearances used during assembly.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c!-- CTA FOOTER --\u003e\n\u003cdiv class=\"atomic-section\" style=\"text-align: center; border-bottom: none;\"\u003e\n\u003cdiv style=\"margin-top: 10px;\"\u003e\u003ca href=\"#\" class=\"atomic-cta\"\u003eContact for Quote\u003c\/a\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Atomic Performance Products","offers":[{"title":"Default Title","offer_id":59530842406993,"sku":"306382-FG","price":8240.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2115\/6365\/files\/Atomic550short5.jpg?v=1779068349","url":"https:\/\/longboostperformance.com\/products\/306382-fg","provider":"LongBoost Performance Parts","version":"1.0","type":"link"}