{"product_id":"manley-04-subaru-wrx-sti-ej257-std-stroke-99-75mm-25mm-bore-9-8-1-dish-piston-single","title":"Manley 04+ Subaru WRX STI EJ257 STD Stroke 99.75mm +.25mm Bore 9.8:1 Dish Piston | Subaru WRX STI (04+)","description":"\u003ch1\u003eManley Performance Pistons\u003c\/h1\u003e\n\u003ch2\u003eFitment Summary\u003c\/h2\u003e\n\u003cp\u003eDesigned specifically for the Subaru WRX STI with the EJ257 engine, these pistons are optimized for 2004 and newer models equipped with the 2.5L turbocharged boxer engine.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePart #:\u003c\/strong\u003e 612102C-1\u003c\/p\u003e\n\u003ch3\u003eOverview\u003c\/h3\u003e\n\u003cp\u003eThe Manley 04+ Subaru WRX STI STD Stroke 99.75mm +.25mm Bore 9.8:1 Dish Piston is a high-performance component crafted for serious engine builders and tuners seeking durability and reliable power support. These pistons are engineered to withstand the rigors of high-performance applications while maintaining precise fitment and consistent operation. Whether you're rebuilding or upgrading your engine, these pistons help optimize combustion efficiency and support enhanced engine response, making them ideal for both daily driving and competitive racing setups.\u003c\/p\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eConstructed from 2618 alloy forging for superior strength and 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 wear resistance\u003c\/li\u003e\n\u003cli\u003eFeatures moly skirt coatings on select part numbers to reduce friction and improve longevity\u003c\/li\u003e\n\u003cli\u003eDisplacement optimized with a 99.75mm bore and standard stroke for reliable performance\u003c\/li\u003e\n\u003cli\u003eCompression ratio set at 9.8:1, suitable for a variety of tuning setups\u003c\/li\u003e\n\u003cli\u003ePrecision-machined for exact fitment in EJ257 engines\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eConstruction \u0026amp; Design\u003c\/h3\u003e\n\u003cp\u003eThese pistons are crafted from high-grade 2618 aluminum alloy, known for its excellent strength-to-weight ratio and thermal stability. The design incorporates proven cam and barrel skirt profiles that promote stability under high RPM and boost conditions. Moly skirt coatings are applied on select part numbers to minimize friction and wear, ensuring long-lasting performance in demanding environments.\u003c\/p\u003e\n\u003ch3\u003ePerformance \u0026amp; Response\u003c\/h3\u003e\n\u003cp\u003eEngineered to support high-performance builds, these pistons help improve combustion efficiency and response. Their robust construction provides the durability needed for aggressive tuning and spirited driving, while maintaining consistent operation over time.\u003c\/p\u003e\n\u003ch3\u003eInstallation \u0026amp; Fitment\u003c\/h3\u003e\n\u003cp\u003eDesigned as a direct replacement for OEM pistons in the EJ257 engine, installation requires standard engine rebuilding procedures. Proper clearance and assembly are essential for optimal performance and longevity.\u003c\/p\u003e","brand":"Manley Performance","offers":[{"title":"Default Title","offer_id":51635932496159,"sku":"612102C-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_3487d78a-5f34-4b15-916f-53eed1b14e0b.jpg?v=1771149053","url":"https:\/\/shop.wheelflip.com\/products\/manley-04-subaru-wrx-sti-ej257-std-stroke-99-75mm-25mm-bore-9-8-1-dish-piston-single","provider":"WheelFlip","version":"1.0","type":"link"}