{"product_id":"manley-04-subaru-wrx-sti-ej257-83mm-stroker-99-75mm-0-25mm-bore-9-8-1-dish-piston-set-with-rings","title":"Manley Performance 83mm Stroker 99.75mm +0.25mm Bore Piston Set with Rings | Subaru WRX STi (04+) (622102C-4)","description":"\u003ch1\u003eManley Performance Manley 04+ Subaru WRX STi (EJ257) 83mm Stroker 99.75mm +0.25mm Bore 9.8:1 Dish Piston Set with Rings\u003c\/h1\u003e\n\u003ch2\u003eFitment Summary\u003c\/h2\u003e\n\u003cp\u003eThis piston set is designed specifically for the Subaru WRX STi models equipped with the EJ257 engine, particularly from the 2004 and newer models with a 83mm stroke and 99.75mm bore.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePart #:\u003c\/strong\u003e 622102C-4\u003c\/p\u003e\n\u003ch3\u003eOverview\u003c\/h3\u003e\n\u003cp\u003eThe Manley Platinum Series piston set is engineered for high-performance Subaru engine builds, offering exceptional durability and precision. Crafted from premium 2618 alloy forgings, these pistons are ideal for enthusiasts and professional tuners seeking reliable components for stroker engine projects. Designed to support increased displacement and power output, they help optimize engine response and longevity under demanding conditions.\u003c\/p\u003e\n\u003cp\u003eThis piston set is suitable for those looking to enhance their vehicle’s performance with a robust, high-quality upgrade that maintains factory-like reliability while supporting aggressive tuning and modifications.\u003c\/p\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eManufactured from high-strength 2618 alloy forging for superior durability\u003c\/li\u003e\n\u003cli\u003eDesigned with proven cam and barrel skirt profiles for optimal stability\u003c\/li\u003e\n\u003cli\u003eIncludes tool steel wrist pins for enhanced strength and wear resistance\u003c\/li\u003e\n\u003cli\u003eMoly skirt coatings on select parts to reduce friction and improve longevity\u003c\/li\u003e\n\u003cli\u003eDisplacement increased via 83mm stroke and 99.75mm bore for higher power potential\u003c\/li\u003e\n\u003cli\u003eCompression ratio set at 9.8:1 for a balance of performance and reliability\u003c\/li\u003e\n\u003cli\u003ePrecision-machined to exact specifications for perfect fitment and performance\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eConstruction \u0026amp; Design\u003c\/h3\u003e\n\u003cp\u003eThe pistons feature a robust forging process using 2618 alloy, known for its excellent strength-to-weight ratio. The moly skirt coatings provide reduced friction and wear, ensuring smooth operation over extended use. The design incorporates proven profiles that support high-performance tuning while maintaining structural integrity under increased stress.\u003c\/p\u003e\n\u003ch3\u003ePerformance \u0026amp; Response\u003c\/h3\u003e\n\u003cp\u003eThese forged pistons are engineered to support stroker builds, enabling increased displacement and power output. Their precise construction helps improve engine response and throttle feel, making them suitable for high-performance applications and aggressive driving styles.\u003c\/p\u003e\n\u003ch3\u003eInstallation \u0026amp; Fitment\u003c\/h3\u003e\n\u003cp\u003eDesigned for direct replacement in compatible EJ257 engines, these pistons require standard engine assembly procedures. Proper installation ensures optimal performance and durability, making them a reliable upgrade for engine builders and tuners.\u003c\/p\u003e\n\u003ch3\u003eWhat’s Included\u003c\/h3\u003e\n\u003cp\u003eThe package includes a complete set of pistons with rings designed for the specified bore and stroke, along with necessary hardware for installation.\u003c\/p\u003e","brand":"Manley Performance","offers":[{"title":"Default Title","offer_id":51635937837343,"sku":"622102C-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_0a3df068-5edd-4fbe-9cd9-9fe4d7b9d6f5.jpg?v=1771149075","url":"https:\/\/shop.wheelflip.com\/products\/manley-04-subaru-wrx-sti-ej257-83mm-stroker-99-75mm-0-25mm-bore-9-8-1-dish-piston-set-with-rings","provider":"WheelFlip","version":"1.0","type":"link"}