{"product_id":"manley-04-subaru-wrx-sti-ej257-std-stroke-99-5mm-std-bore-8-5-1-dish-piston-single-piston","title":"Manley 04+ Subaru WRX STI EJ257 STD Stroke 99.5mm STD Bore 8.5:1 Dish Piston | Subaru WRX STI","description":"\u003ch1\u003eManley Performance\u003c\/h1\u003e\n\u003ch2\u003eFitment Summary\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003ePart #:\u003c\/strong\u003e 612000C-1\u003c\/p\u003e\n\u003ch3\u003eOverview\u003c\/h3\u003e\nThe Manley 04+ Subaru WRX STi (EJ257) STD Stroke 99.5mm STD Bore 8.5:1 Dish Piston is a high-performance engine component designed for serious tuners and engine builders seeking durability and consistent power output. Crafted from premium 2618 alloy forgings, these pistons are engineered to withstand the rigors of high-performance applications while maintaining excellent thermal stability. Ideal for rebuilds, upgrades, or custom engine builds, this piston helps ensure reliable operation and optimal compression for your Subaru WRX STi's EJ257 engine.\n\u003cp\u003eThis piston is tailored for enthusiasts aiming to enhance their vehicle’s performance with a robust, proven component that supports high-revving, turbocharged engines. Whether you're rebuilding your engine or upgrading for increased power, these pistons provide a reliable foundation for your project.\u003c\/p\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cp\u003eDesigned with performance and durability in mind, the Manley Platinum Series pistons feature:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e2618 aluminum alloy forgings for strength and thermal stability\u003c\/li\u003e\n\u003cli\u003eProven cam and barrel skirt profiles for optimized piston movement\u003c\/li\u003e\n\u003cli\u003eTool steel wrist pins for enhanced durability and wear resistance\u003c\/li\u003e\n\u003cli\u003eMoly skirt coatings on select part numbers to reduce friction and improve longevity\u003c\/li\u003e\n\u003cli\u003eStandard stroke of 99.5mm and bore of 86mm for precise fitment\u003c\/li\u003e\n\u003cli\u003eDished piston design to support 8.5:1 compression ratio\u003c\/li\u003e\n\u003cli\u003eEngineered for high-performance turbocharged applications\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eConstruction \u0026amp; Design\u003c\/h3\u003e\nThe pistons are meticulously machined from high-quality 2618 alloy forgings, known for their exceptional strength-to-weight ratio and thermal properties. The moly skirt coatings reduce friction and wear, extending piston life under demanding conditions. The design incorporates proven profiles to ensure smooth piston operation and optimal clearance within the EJ257 engine block.\n\u003ch3\u003ePerformance \u0026amp; Response\u003c\/h3\u003e\nThese pistons are crafted to support high-revving, turbocharged engines, helping to improve response and power delivery. Their robust construction ensures consistent performance under increased boost pressures, making them suitable for tuned or heavily modified engines.\n\u003ch3\u003eInstallation \u0026amp; Fitment\u003c\/h3\u003e\nDesigned specifically for the 2004 and newer Subaru WRX STi models equipped with the EJ257 engine, these pistons are intended for rebuilds and performance upgrades. Proper installation requires standard engine assembly procedures and compatibility checks.\n\u003ch3\u003eWhat’s Included\u003c\/h3\u003e\nThis product includes a single piston designed for use with the specified engine. Additional components such as rings, pins, and hardware are not included and should be sourced separately based on your build requirements.\n\u003ch3\u003eIdeal For\u003c\/h3\u003e\nThis piston is ideal for professional engine builders, tuners, and automotive enthusiasts looking to upgrade or rebuild their Subaru WRX STi's engine for enhanced durability and performance. Perfect for high-performance applications, including street and track use.","brand":"Manley Performance","offers":[{"title":"Default Title","offer_id":51635931021599,"sku":"612000C-1","price":169.89,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0229\/3877\/files\/group-6fb279de-3abc-410e-9607-f540300bf0a1-800.jpg?v=1771149047","url":"https:\/\/shop.wheelflip.com\/products\/manley-04-subaru-wrx-sti-ej257-std-stroke-99-5mm-std-bore-8-5-1-dish-piston-single-piston","provider":"WheelFlip","version":"1.0","type":"link"}