{"product_id":"manley-04-subaru-wrx-sti-ej257-83mm-stroker-100mm-0-5mm-bore-9-8-1-dish-piston-set-with-rings","title":"Manley 83mm Stroker Piston Set with Rings | Subaru WRX STI (04+) (622105C-4)","description":"\u003ch1\u003eManley Performance Manley 04+ Subaru WRX STi (EJ257) 83mm Stroker 100mm +0.5mm 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 from 2004 and newer equipped with the EJ257 engine. It is ideal for enthusiasts and professional tuners seeking to enhance engine performance and durability in high-performance applications.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePart #:\u003c\/strong\u003e 622105C-4\u003c\/p\u003e\n\u003ch3\u003eOverview\u003c\/h3\u003e\n\u003cp\u003eThe Manley Platinum Series piston set is engineered for high-performance Subaru EJ257 engines, offering a reliable upgrade for those building or rebuilding their turbocharged powerplants. Crafted from premium 2618 alloy forgings, these pistons deliver exceptional strength and thermal stability. Designed for enthusiasts aiming to maximize engine response, power output, and longevity, this set provides a robust foundation for custom tuning and high-stress driving conditions.\u003c\/p\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eManufactured from high-strength 2618 alloy forgings for durability and thermal resistance\u003c\/li\u003e\n\u003cli\u003eDesigned with proven cam and barrel skirt profiles for optimal fit and performance\u003c\/li\u003e\n\u003cli\u003eIncludes moly skirt coatings on select part numbers to reduce friction and wear\u003c\/li\u003e\n\u003cli\u003eFeatures a 83mm stroke with a 100mm bore and a 9.8:1 compression ratio for balanced power and efficiency\u003c\/li\u003e\n\u003cli\u003eEquipped with precision-machined tool steel wrist pins for secure fitment\u003c\/li\u003e\n\u003cli\u003eDish piston design helps optimize compression and combustion efficiency\u003c\/li\u003e\n\u003cli\u003eEngineered to support high-performance tuning and aggressive driving styles\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 properties. The moly skirt coatings enhance wear resistance, ensuring long-term reliability under demanding conditions. The precise machining and profiling are tailored to fit the EJ257 engine, providing a seamless upgrade for rebuilds or performance builds.\u003c\/p\u003e\n\u003ch3\u003eDriving Feel \u0026amp; Feedback\u003c\/h3\u003e\n\u003cp\u003eThese pistons help support increased engine response and power delivery, making your Subaru WRX STI more responsive and capable during spirited driving or tuning sessions. The design promotes efficient combustion and heat management, contributing to a more consistent and reliable driving experience.\u003c\/p\u003e\n\u003ch3\u003eInstallation \u0026amp; Fitment\u003c\/h3\u003e\n\u003cp\u003eDesigned for direct replacement in 2004+ Subaru WRX STI models with the EJ257 engine, installation should be performed by qualified technicians familiar with engine rebuilds. Proper clearances and assembly procedures are essential for 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 with rings and necessary hardware for a comprehensive rebuild or upgrade.\u003c\/p\u003e","brand":"Manley Performance","offers":[{"title":"Default Title","offer_id":51635938099487,"sku":"622105C-4","price":679.55,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0229\/3877\/files\/group-6fb279de-3abc-410e-9607-f540300bf0a1-800_5b52fe9d-a494-4c4b-8360-9d4c50300628.jpg?v=1771149076","url":"https:\/\/shop.wheelflip.com\/products\/manley-04-subaru-wrx-sti-ej257-83mm-stroker-100mm-0-5mm-bore-9-8-1-dish-piston-set-with-rings","provider":"WheelFlip","version":"1.0","type":"link"}