{"product_id":"atomic-barra-wiseco-pistons","title":"Atomic Barra Wiseco Pistons","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;\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 Wiseco Forged Pistons\u003c\/h1\u003e\n\u003cdiv class=\"atomic-subtitle\"\u003eThe Next Generation of Barra PISTON Forgings\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!-- PRODUCT OVERVIEW --\u003e\n\u003cdiv class=\"atomic-section\"\u003e\n\u003cdiv class=\"atomic-grid\"\u003e\n\u003cdiv\u003e\n\u003ch2\u003eA New Era of Strength\u003c\/h2\u003e\n\u003cp\u003eWe’ve been quietly working behind the scenes to replace our legendary Icon pistons with a completely new forging from Wiseco. We shared our full 20+ years of Barra design IP directly with Wiseco to bring this custom piston to market. This is a proprietary Atomic design and carries our own custom part numbers—these are \u003cem\u003enot\u003c\/em\u003e the standard off-the-shelf Wiseco Barra pistons. There are now off the shelf Wiseco options that include some but not all of our features.\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💡 WORKSHOP WISDOM\u003c\/strong\u003e\n\u003cp style=\"margin: 0; font-size: 0.95rem;\"\u003e\u003cstrong\u003eThe \"No-Bore\" Advantage.\u003c\/strong\u003e If your block's cylinder walls are in good, clean condition, you can use our \u003cstrong\u003e92.25mm Atomic Standard\u003c\/strong\u003e size. This requires honing only—no expensive boring machine time. This simple choice can save you over \u003cstrong\u003e$500 in machining costs\u003c\/strong\u003e as well as time.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch2 style=\"color: var(--atomic-purple); border-left-color: var(--atomic-purple);\"\u003eStrutted For Supremacy\u003c\/h2\u003e\n\u003cp\u003eIt was critical that these pistons remained exceptionally light (ranging from 370g to 378g) to reduce reciprocating mass, but we demanded a significant increase in horsepower capacity per cylinder as an upgrade over the legacy Atomic ICON pistons. Wiseco delivered with a \u003cstrong\u003edeep skirt, strutted forging\u003c\/strong\u003e architecture that directly resembles our top-tier Cosworth F1 series pistons.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0587\/5548\/1713\/files\/AtomicBarraWisecoPiston_2.jpg?v=1788752906\" alt=\"\"\u003e\u003cbr\u003e\n\u003cdiv class=\"img-caption\"\u003eStrutted forging design for extreme cylinder pressure.\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\u003cdiv class=\"atomic-card\"\u003e\n\u003ch3\u003eQuiet Operation\u003c\/h3\u003e\n\u003cul class=\"atomic-list\"\u003e\n\u003cli\u003eAtomic proprietary quiet crown geometry\u003c\/li\u003e\n\u003cli\u003eExtended skirt design\u003c\/li\u003e\n\u003cli\u003eSignificantly reduces cold-start \"piston slap\"\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"atomic-card\" style=\"border-top-color: var(--atomic-orange);\"\u003e\n\u003ch3 style=\"color: var(--atomic-orange);\"\u003ePremium Components\u003c\/h3\u003e\n\u003cul class=\"atomic-list\"\u003e\n\u003cli\u003eAdvanced skirt friction coating\u003c\/li\u003e\n\u003cli\u003eLow-drag, Japanese-made competition ring set\u003c\/li\u003e\n\u003cli\u003eHigh quality 2618 forging, precision CNC'd in USA\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"atomic-card\"\u003e\n\u003ch3\u003ePower Ratings\u003c\/h3\u003e\n\u003cul class=\"atomic-list\"\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandard Pin (0.200\"):\u003c\/strong\u003e Rated for 250hp per cylinder (1500hp total)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUpgraded Pin (0.250\"):\u003c\/strong\u003e Rated for 350hp per cylinder (2100hp total)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!-- SIZING \u0026 OPTIONS --\u003e\n\u003cdiv class=\"atomic-section\"\u003e\n\u003ch2 style=\"text-align: center; border: none; color: #333;\"\u003eSize \u0026amp; Machining Options\u003c\/h2\u003e\n\u003cp style=\"text-align: center; color: #666; margin-bottom: 20px;\"\u003eAll sizes feature a 9.0:1 Compression Ratio with a 10cc Dish.\u003c\/p\u003e\n\u003ctable class=\"atomic-table\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003ePart Number\u003c\/th\u003e\n\u003cth\u003eBore Size\u003c\/th\u003e\n\u003cth\u003eMachining Requirement\u003c\/th\u003e\n\u003cth\u003eWeight\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTBC\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e92.25mm (Atomic STD)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong style=\"color: var(--atomic-orange);\"\u003eHone Only (No Boring)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e370g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTBC\u003c\/td\u003e\n\u003ctd\u003e92.50mm (+0.010\")\u003c\/td\u003e\n\u003ctd\u003eBore \u0026amp; Hone Required\u003c\/td\u003e\n\u003ctd\u003e374g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTBC\u003c\/td\u003e\n\u003ctd\u003e92.75mm (+0.020\")\u003c\/td\u003e\n\u003ctd\u003eBore \u0026amp; Hone Required\u003c\/td\u003e\n\u003ctd\u003e378g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c!-- IMPORTANT NOTES \u0026 WARNINGS --\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⚠️ Machining \u0026amp; Clearance Notes\u003c\/h3\u003e\n\u003cul class=\"atomic-list\"\u003e\n\u003cli\u003e\n\u003cstrong\u003eRecommended Clearance:\u003c\/strong\u003e 4.5 thou (0.0045\"). Always verify with the included specification sheet before final honing. We recommend 5.5 thou (0.0055\") for grouted engines. \u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePin Upgrade:\u003c\/strong\u003e If you are planning to run sustained high RPM, or push beyond 1500hp, you \u003cem\u003emust\u003c\/em\u003e select the heavy-duty 0.250\" wall wrist pin upgrade to prevent pin flex and piston boss failure.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRing Gaps:\u003c\/strong\u003e The included Japanese competition rings must be filed to suit your specific boost application. Refer to the supplied guide for gap recommendations.\u003c\/li\u003e\n\u003c\/ul\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\"\u003eSelect Size \u0026amp; Add to Cart\u003c\/a\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Atomic Performance Products","offers":[{"title":"Default Title","offer_id":44488215494769,"sku":null,"price":2049.0,"currency_code":"AUD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0587\/5548\/1713\/files\/AtomicBarraWisecoPiston_6.jpg?v=1788752906","url":"https:\/\/atomicperformanceproducts.com\/products\/atomic-barra-wiseco-pistons","provider":"Atomic Performance Products","version":"1.0","type":"link"}