{"product_id":"manley-04-subaru-wrx-sti-ej257-83mm-stroker-100mm-0-5mm-bore-8-5-1-dish-piston-set-with-rings","title":"Manley 83mm Stroker 100mm +0.5mm Bore 8.5:1 Dish Piston Set with Rings | Subaru WRX STi (04+) (622005C-4)","description":"\u003ch1\u003eManley Performance Pistons\u003c\/h1\u003e\n\u003ch2\u003eFits 2004+ Subaru WRX STi with EJ257 engine\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003ePart #:\u003c\/strong\u003e 622005C-4\u003c\/p\u003e\n\u003ch3\u003eOverview\u003c\/h3\u003e\nThe Manley Platinum Series piston set is designed for high-performance Subaru WRX STi engines, specifically tailored for the EJ257 platform. Crafted from premium 2618 alloy forgings, these pistons deliver exceptional strength, durability, and thermal stability, making them ideal for enthusiasts and professional tuners seeking reliable power upgrades. Whether you're building a high-horsepower street machine or a dedicated race engine, these pistons help support your performance goals with their proven design and high-quality materials.\n\nEngine builders and tuners rely on Manley's expertise to provide components that withstand the rigors of aggressive tuning while maintaining consistent performance. The 83mm stroke combined with a 100mm bore and a 8.5:1 compression ratio offers a balanced blend of power, efficiency, and longevity, making these pistons suitable for a variety of performance applications.\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\nDesigned with precision and durability in mind, the Platinum Series pistons feature:\n\u003cul\u003e\n\u003cli\u003e2618 aluminum alloy forgings for superior strength and thermal resistance\u003c\/li\u003e\n\u003cli\u003eProven cam and barrel skirt profiles for optimal piston stability\u003c\/li\u003e\n\u003cli\u003eTool steel wrist pins for enhanced durability under high loads\u003c\/li\u003e\n\u003cli\u003eMoly skirt coatings on select part numbers to reduce friction and wear\u003c\/li\u003e\n\u003cli\u003eOptimized dish design for efficient combustion and compression\u003c\/li\u003e\n\u003cli\u003ePrecision-machined for perfect fitment and consistent performance\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eConstruction \u0026amp; Design\u003c\/h3\u003e\nThese pistons are engineered with high-grade 2618 alloy, known for its excellent strength-to-weight ratio and thermal properties. The moly skirt coatings help reduce friction and improve wear resistance, ensuring long-term reliability. The carefully designed dish profile supports efficient combustion, contributing to improved power output and fuel efficiency.\n\n\u003ch3\u003ePerformance \u0026amp; Response\u003c\/h3\u003e\nThe forged construction and optimized design provide a robust foundation for high-performance builds. These pistons help support increased boost levels and aggressive tuning, offering improved response and durability under demanding conditions. They are intended to help your engine deliver consistent power and reliable operation during spirited driving or competitive racing.\n\n\u003ch3\u003eInstallation \u0026amp; Fitment\u003c\/h3\u003e\nDesigned specifically for the EJ257 engine in the 2004+ Subaru WRX STi, these pistons are a direct replacement for stock components. Proper installation requires standard engine assembly procedures and compatible connecting rods and rings.\n\n\u003ch3\u003eWhat’s Included\u003c\/h3\u003e\nThis set includes the complete set of pistons with moly skirt coatings and rings, ready for installation in your Subaru WRX STi engine. Hardware and additional components are sold separately.","brand":"Manley Performance","offers":[{"title":"Default Title","offer_id":51635937509663,"sku":"622005C-4","price":679.55,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0229\/3877\/files\/group-6fb279de-3abc-410e-9607-f540300bf0a1-800_3971bf7e-c693-44a9-a78d-a201bbdc1b63.jpg?v=1771149073","url":"https:\/\/shop.wheelflip.com\/products\/manley-04-subaru-wrx-sti-ej257-83mm-stroker-100mm-0-5mm-bore-8-5-1-dish-piston-set-with-rings","provider":"WheelFlip","version":"1.0","type":"link"}