{"product_id":"manley-04-subaru-wrx-sti-ej257-83mm-stroker-99-75mm-0-25mm-bore-8-5-1-dish-piston-set-with-rings","title":"Manley 83mm Stroker Piston Set | Subaru WRX STi (04+) (622002C-4)","description":"\u003ch1\u003eManley Performance Manley 04+ Subaru WRX STi (EJ257) 83mm Stroker 99.75mm +0.25mm Bore 8.5:1 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 those built from 2004 onward with 83mm stroke configurations.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePart #:\u003c\/strong\u003e 622002C-4\u003c\/p\u003e\n\u003ch3\u003eOverview\u003c\/h3\u003e\n\u003cp\u003eThe Manley Platinum Series piston set offers a high-performance upgrade for enthusiasts and professional tuners seeking durability and precision in their engine builds. Crafted from premium 2618 alloy forgings, these pistons are engineered to withstand the rigors of high-performance applications while maintaining excellent thermal stability. The set is ideal for those looking to increase engine displacement with a stroker kit, providing a reliable foundation for power gains and enhanced engine response. Designed for serious engine builders, these pistons help optimize combustion efficiency and support high-revving operation, making them suitable for both daily driving and competitive motorsport use.\u003c\/p\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eManufactured from high-strength 2618 alloy forgings for superior durability\u003c\/li\u003e\n\u003cli\u003ePrecisely machined to fit the EJ257 83mm stroke engine with a 99.75mm bore\u003c\/li\u003e\n\u003cli\u003eIncludes moly skirt coatings on select models for reduced friction and wear\u003c\/li\u003e\n\u003cli\u003eTool steel wrist pins for enhanced strength and reliability\u003c\/li\u003e\n\u003cli\u003eDesigned with a 8.5:1 compression ratio for optimal performance and efficiency\u003c\/li\u003e\n\u003cli\u003eFeatures a dish piston design to support specific compression and clearance needs\u003c\/li\u003e\n\u003cli\u003eEngineered for high-performance applications, supporting increased power output\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eConstruction \u0026amp; Design\u003c\/h3\u003e\n\u003cp\u003eThe pistons are crafted from premium 2618 aluminum alloy, known for its excellent strength-to-weight ratio and thermal conductivity. The moly skirt coatings provide reduced friction and wear, extending piston life under demanding conditions. The precise machining ensures a perfect fit for the EJ257 engine, supporting reliable operation and consistent performance.\u003c\/p\u003e\n\u003ch3\u003eDriving Feel \u0026amp; Feedback\u003c\/h3\u003e\n\u003cp\u003eThese pistons help support a more responsive and robust engine feel, especially when combined with other performance modifications. They contribute to smoother power delivery and improved throttle response, making your Subaru WRX STi more engaging to drive.\u003c\/p\u003e\n\u003ch3\u003eInstallation \u0026amp; Fitment\u003c\/h3\u003e\n\u003cp\u003eDesigned as a direct replacement for the stock pistons, installation requires standard engine assembly procedures. Proper clearance and assembly are essential to ensure optimal performance and longevity.\u003c\/p\u003e\n\u003ch3\u003eWhat’s Included\u003c\/h3\u003e\n\u003cp\u003eThe package includes a complete set of pistons and rings, ready for installation in compatible EJ257 engines.\u003c\/p\u003e","brand":"Manley Performance","offers":[{"title":"Default Title","offer_id":51635937247519,"sku":"622002C-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_f6327dbb-7f9f-4f0a-b145-ae37093cc666.jpg?v=1771149073","url":"https:\/\/shop.wheelflip.com\/products\/manley-04-subaru-wrx-sti-ej257-83mm-stroker-99-75mm-0-25mm-bore-8-5-1-dish-piston-set-with-rings","provider":"WheelFlip","version":"1.0","type":"link"}