{"product_id":"jdy-performance-stg2-bmw-s58-3-0tg8x-pistons-by-dimoand","title":"JDY Performance STG2 BMW S58 3.0TG8X Pistons by Diamond","description":"\u003ch3\u003e\u003cstrong\u003eJDY Stage 2 Pistons for BMW S58 G8X M2\/3\/4 Platform\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eJDY Stage 2 Pistons\u003c\/strong\u003e are high-performance upgrades designed specifically for the BMW S58 engine platform. These pistons are engineered to handle extreme power outputs while offering enhanced durability and efficiency for high-performance and racing applications. Available in stock bore size (84mm) with a 9.2:1 compression ratio, they deliver outstanding performance and reliability under the most demanding conditions.\u003c\/p\u003e\n\u003ch4\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/h4\u003e\n\u003col\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003ePiston Design:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eStock Bore Size\u003c\/strong\u003e: 84mm.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompression Ratio\u003c\/strong\u003e: 9.2:1.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial\u003c\/strong\u003e: Billet 2618 alloy for high strength and lightweight performance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAvailable Options\u003c\/strong\u003e: Stage 1 pistons (up to 1500 HP) and Stage 2 pistons (up to 1800 HP).\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eWrist Pins\u003c\/strong\u003e:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial\u003c\/strong\u003e: H13 super hard alloy.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDimensions\u003c\/strong\u003e: 23mm diameter, 0.225-inch pin wall thickness.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCoating\u003c\/strong\u003e: Stage 2 pistons come with DLC (Diamond-Like Carbon) coating for reduced friction, enhanced wear resistance, and better performance under high temperature.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003ePiston Rings\u003c\/strong\u003e:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e?equipped with \u003cstrong\u003eTotal Seal piston rings\u003c\/strong\u003e, which are thicker than OEM rings for better sealing, improved oil control, and enhanced resistance to higher combustion pressures.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eGroove Re-Design\u003c\/strong\u003e:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eThe piston ring grooves have been re-engineered for better heat management and durability, minimizing the risk of ring flutter and improving overall performance. Optimized groove depth ensures reliable sealing while accounting for thermal expansion under high-stress conditions.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eValve Pocket Design\u003c\/strong\u003e:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCustom valve pocket grooves are designed to accommodate \u003cstrong\u003eKelford stage 1, 2, and 3 camshafts\u003c\/strong\u003e, allowing for better volumetric efficiency and greater valve lift without interference.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003ch4\u003e\n\u003cstrong\u003eStage 2 Pistons\u003c\/strong\u003e:\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHard Anodizing\u003c\/strong\u003e: Provides a durable oxide layer for increased hardness, wear resistance, and corrosion protection. It also improves heat resistance and lowers friction between the piston and the cylinder wall.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDLC Coated Wrist Pins\u003c\/strong\u003e: DLC coating ensures extremely low friction and enhanced durability, even in high-temperature environments, while reducing wear on the connecting rods.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePerformance Rating\u003c\/strong\u003e: Supports builds 1800+ horsepower, ideal for high-performance and racing applications.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003e\n\u003cstrong\u003eTechnical Specifications\u003c\/strong\u003e:\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFinished Bore Size\u003c\/strong\u003e: 3.307 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompression Ratio\u003c\/strong\u003e: 9.2:1\u003cstrong\u003e\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWrist Pin Diameter\u003c\/strong\u003e: 0.905 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWrist Pin Length\u003c\/strong\u003e: 2.250 inches\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThese pistons are engineered for compatibility with \u003cstrong\u003eKelford stage 3 camshafts\u003c\/strong\u003e, which allow for more valve lift, requiring deeper valve pockets that JDY has specifically designed.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eWhy Choose JDY Pistons?\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eJDY¡¯s Stage 2 piston kits are meticulously crafted for enthusiasts and professionals aiming to push the limits of their BMW S58 3.0T engines. ?JDY¡¯s pistons provide the durability, power, and performance needed for success on the street or track.\u003c\/p\u003e","brand":"JDY Performance","offers":[{"title":"Default Title","offer_id":44151593304252,"sku":"S58-105-ST2-PA","price":4700.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0647\/3128\/3644\/files\/14_a12a14aa-ce36-4a57-a2bc-1a41e3d680f8.jpg?v=1727404944","url":"https:\/\/www.jdyperformance.com.au\/products\/jdy-performance-stg2-bmw-s58-3-0tg8x-pistons-by-dimoand","provider":"JDY Performance AU","version":"1.0","type":"link"}