{"product_id":"manley-04-subaru-wrx-sti-ej257-std-stroke-100mm-5mm-bore-8-5-1-dish-single-piston-with-rings","title":"Manley 04+ Subaru WRX STI EJ257 STD Stroke 100mm +.5mm Bore 8.5:1 Dish Single Piston with Rings | Subaru WRX STI (04+) (612005C-1)","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 612005C-1\u003c\/p\u003e\n\u003ch3\u003eOverview\u003c\/h3\u003e\nThese Manley Platinum Series pistons are engineered for high-performance Subaru WRX STi enthusiasts and professional engine builders seeking durability and reliable power support. Crafted from premium 2618 alloy forgings, these pistons are designed to withstand the rigors of aggressive tuning and spirited driving. Their precise cam and barrel skirt profiles ensure optimal fitment and consistent performance, making them an excellent choice for those looking to enhance their engine's response and longevity. Whether you're building a race-ready setup or upgrading for daily driving, these pistons provide a solid foundation for your engine build.\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\nOur Platinum Series pistons feature advanced materials and design elements to support your engine's performance goals:\n\u003cul\u003e\n\u003cli\u003eMade from high-strength 2618 alloy forgings for superior durability\u003c\/li\u003e\n\u003cli\u003eDesigned with proven cam and barrel skirt profiles for optimal clearance and stability\u003c\/li\u003e\n\u003cli\u003eTool steel wrist pins for enhanced strength and reliability\u003c\/li\u003e\n\u003cli\u003eMoly skirt coatings on select part numbers to reduce friction and wear\u003c\/li\u003e\n\u003cli\u003eStandard stroke of 100mm with a +0.5mm bore increase for increased displacement\u003c\/li\u003e\n\u003cli\u003eCompression ratio of 8.5:1, suitable for boosted applications\u003c\/li\u003e\n\u003cli\u003ePrecision-machined for exact fitment in EJ257 engines\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eConstruction \u0026amp; Design\u003c\/h3\u003e\nThese pistons are meticulously engineered with high-quality materials and coatings to ensure longevity and consistent performance. The moly skirt coatings help reduce friction and wear, supporting engine efficiency and durability during high-stress conditions.\n\n\u003ch3\u003ePerformance \u0026amp; Response\u003c\/h3\u003e\nDesigned to support high-performance builds, these pistons help improve engine response and power output. Their robust construction ensures reliable operation under increased boost pressures and aggressive tuning, making them ideal for enthusiasts aiming for enhanced acceleration and overall engine responsiveness.\n\n\u003ch3\u003eInstallation \u0026amp; Fitment\u003c\/h3\u003e\nThese pistons are intended for use with the EJ257 engine found in 2004 and newer Subaru WRX STi models. Proper installation requires standard engine rebuilding procedures, and professional assembly is recommended to ensure optimal performance and longevity.\n\n\u003ch3\u003eWhat’s Included\u003c\/h3\u003e\nThe package includes a set of forged pistons with moly skirt coatings and tool steel wrist pins, ready for installation in your EJ257 engine. Additional hardware or components are not included.","brand":"Manley Performance","offers":[{"title":"Default Title","offer_id":51635931742495,"sku":"612005C-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_2130969c-ccff-4d60-a296-2fa99578755d.jpg?v=1771149049","url":"https:\/\/shop.wheelflip.com\/products\/manley-04-subaru-wrx-sti-ej257-std-stroke-100mm-5mm-bore-8-5-1-dish-single-piston-with-rings","provider":"WheelFlip","version":"1.0","type":"link"}