{"product_id":"jdy-performance-stg2-bmw-s58-3-0tg8x-pistons-by-diamond","title":"JDY Performance STG2 BMW S58 3.0TG8X Pistons by Diamond","description":"\u003ch2\u003eJDY BMW S58 Stage 2 Forged Pistons\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eBuilt for extreme horsepower and racing durability.\u003c\/strong\u003e JDY Stage 2 Pistons are precision‑engineered for the BMW S58 platform, delivering unmatched strength, efficiency, and reliability under the most demanding conditions. Designed for enthusiasts pushing beyond factory limits, these pistons support builds up to \u003cstrong\u003e1800+ HP\u003c\/strong\u003e while maintaining OEM‑grade compatibility.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e🔧 Key Features\u003c\/h3\u003e\n\u003cul role=\"list\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003ePrecision Piston Design\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul role=\"list\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eStock bore size: 84mm\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eCompression ratio: 9.2:1\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eForged from billet 2618 alloy for maximum strength and lightweight performance\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eStage 1 option (up to 1500 HP) and Stage 2 option (up to 1800 HP) available\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eDLC‑Coated Wrist Pins\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul role=\"list\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eH13 super‑hard alloy, 23mm diameter, 0.225\" wall thickness\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eDiamond‑Like Carbon coating reduces friction, improves wear resistance, and withstands extreme heat\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eHigh‑Performance Piston Rings\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul role=\"list\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eEquipped with Total Seal rings for superior sealing, oil control, and resistance to high combustion pressures\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eRedesigned grooves for improved heat management and durability\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eOptimized Valve Pocket Design\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul role=\"list\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eCustom pockets accommodate Kelford Stage 1, 2, and 3 camshafts\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eAllows greater valve lift and improved volumetric efficiency without interference\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eStage 2 Enhancements\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul role=\"list\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eHard anodized finish for increased hardness, wear resistance, and corrosion protection\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eSupports extreme racing applications with 1800+ HP capability\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e📊 Technical Specifications\u003c\/h3\u003e\n\u003cul role=\"list\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eFinished bore size: 3.307\"\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eCompression ratio: 9.2:1\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eWrist pin diameter: 0.905\"\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eWrist pin length: 2.250\"\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eJDY Stage 2 Pistons are the ultimate choice for BMW S58 builders who demand uncompromising strength, efficiency, and performance — whether on the street or the track.\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e","brand":"JDY","offers":[{"title":"Default Title","offer_id":54989893042518,"sku":null,"price":25446.55,"currency_code":"SEK","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0948\/0486\/9462\/files\/14_720x_fd2288e3-781a-4cbe-a7fd-2f3f9e0ec6b1.webp?v=1786794175","url":"https:\/\/www.ttmengineering.se\/products\/jdy-performance-stg2-bmw-s58-3-0tg8x-pistons-by-diamond","provider":"ttmengineering.se","version":"1.0","type":"link"}