{"product_id":"manley-performance-ej257-2004-2012-subaru-wrx-sti-standard-stroke-99-5mm-piston-set-with-rings-model-612000c-4","title":"Manley Performance EJ257 2004-2012 Subaru WRX STI Standard Stroke 99.5mm Piston Set with Rings - Model 612000C-4","description":"Our signature \"Platinum Series\" pistons feature 2618 alloy forgings, proven cam and barrel skirt profiles, tool steel wrist pins, and moly skirt coatings on select part numbers. Join the ranks of professional engine builders and tuners who rely on Manley pistons for superior performance and durability.\n\u003cul\u003e\n  \u003cli\u003eChrome Moly Wrist Pins: Premium Chrome Moly wrist pins come standard with our Standard Series Pistons. For select SKUs, we offer wrist pin upgrades to 9310 and Turbo Tuff\/DLC alloys, providing additional durability.\u003c\/li\u003e\n  \u003cli\u003eUnique Fixturing: Manley's unique fixturing allows for skirt turning and ring groove machining in a single operation, ensuring ultimate ring groove to skirt squareness.\u003c\/li\u003e\n  \u003cli\u003eExacting Ring Lands and Grooves: We adhere to strict standards for piston ring lands and grooves, resulting in enhanced ring seal and more power.\u003c\/li\u003e\n  \u003cli\u003eCam and Barrel Profiles: Our pistons boast cam and barrel (skirt) profiles that generate substantial power while being gentle on cylinder walls.\u003c\/li\u003e\n  \u003cli\u003e2618 Alloy Forgings: We use domestic 2618 alloy forgings, ensuring superior strength and performance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eExperience superior engine performance with the Manley Performance EJ257 piston set designed specifically for Subaru WRX STI models from 2004 to 2012. Crafted with high-quality 2618 alloy forgings, these pistons deliver exceptional strength and durability in demanding racing and tuning applications. The precise cam and barrel profile design generates significant power while maintaining a gentle impact on your engine's cylinder walls, ensuring longevity and consistent performance. Each piston features meticulously machined ring lands and grooves, adhering to strict standards to optimize ring seal and maximize power output.\u003cbr\u003eOur signature Platinum Series pistons come equipped with premium chrome moly wrist pins as standard, with options for upgrades to 9310 and Turbo Tuff\/DLC alloys for enhanced durability in high-stress environments. The unique fixturing process allows for simultaneous skirt turning and ring groove machining, ensuring the utmost ring to skirt squareness for reliable sealing and performance. These pistons are designed to fit specific Subaru Impreza models, providing a perfect match for your engine rebuild or upgrade.\u003cbr\u003eNote that these pistons require carb acknowledgment and are not carb approved, emphasizing their focus on performance tuning. They are suitable for air freight shipping and do not require LTL freight, making them a convenient choice for professional engine builders. Trust Manley's expertise and commitment to quality to elevate your Subaru's engine performance to the next level.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\u003cli\u003e2618 alloy forgings for superior strength and durability\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eCam and barrel profile design for high power output and cylinder wall safety\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eChrome Moly wrist pins standard, with optional upgrades to 9310 and Turbo Tuff\/DLC alloys\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eUnique fixturing for precise skirt turning and ring groove machining\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eExacting ring lands and grooves for optimal ring seal and power\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eDesigned specifically for Subaru WRX STI models from 2004 to 2012\u003c\/li\u003e\u003c\/ul\u003e\u003cbr\u003e\nFitment:\u003cbr\u003e\n2004 Subaru Impreza WRX STI\u003cbr\u003e\n2005 Subaru Impreza WRX STI\u003cbr\u003e\n2006 Subaru Impreza WRX STI\u003cbr\u003e\n2007 Subaru Impreza WRX STI\u003cbr\u003e\n2007 Subaru Impreza WRX STI Limited\u003cbr\u003e\n2008 Subaru Impreza WRX STI\u003cbr\u003e\n2009 Subaru Impreza WRX STI\u003cbr\u003e\n2010 Subaru Impreza WRX STI\u003cbr\u003e\n2010 Subaru Impreza WRX STI Special Edition\u003cbr\u003e\n2011 Subaru Impreza WRX STI\u003cbr\u003e\n2011 Subaru Impreza WRX STI Limited\u003cbr\u003e\n2012 Subaru Impreza WRX STI\u003cbr\u003e\n2012 Subaru Impreza WRX STI Limited\u003cstyle\u003etable.productattributes, .productattributes td { border-bottom: 1px solid #ddd; border-collapse: collapse; padding: 2px; text-align: left; }\u003c\/style\u003e\n\u003ctable class=\"productattributes\"\u003e\n\u003cthead\u003e\u003ctr\u003e\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbdoy\u003e\n\u003ctr\u003e\u003ctd\u003eAir Freight Prohibited: false\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003eNot Carb Approved: true\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003eCarb Acknowledgement Required: true\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003eLtl Freight Required: false\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003eProp 65: Y\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003ePart Type: automotive\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003eEpa: N\/A\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003eRegular Stock: t\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003eUnits Per Sku: 1\u003c\/td\u003e\u003c\/tr\u003e\n\u003c\/tbdoy\u003e\n\u003c\/table\u003e\u003cbr\u003e","brand":"Manley Performance","offers":[{"title":"Default Title","offer_id":53604366909713,"sku":"612000C-4","price":699.23,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0949\/3830\/0689\/files\/67cad9523d942dfdfd857ab93f19c305_87e33f69-3930-452c-90fa-467a26029b41.jpg?v=1779982567","url":"https:\/\/shoprenegade.com\/products\/manley-performance-ej257-2004-2012-subaru-wrx-sti-standard-stroke-99-5mm-piston-set-with-rings-model-612000c-4","provider":"Renegade Speed by Renegade Racing \u0026 Performance","version":"1.0","type":"link"}