{"product_id":"manley-performance-612102c-4-platinum-series-piston-set-for-subaru-wrx-sti-ej257-99-75mm-stroke-9-8-1-compression-ratio","title":"Manley Performance 612102C-4 Platinum Series Piston Set for Subaru WRX STI EJ257, 99.75mm Stroke, 9.8:1 Compression Ratio","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\u003eUpgrade your Subaru WRX STI with the Manley Performance Platinum Series piston set, designed for optimal performance and durability. Crafted from high-quality 2618 alloy forgings, these pistons deliver superior strength to withstand high-stress conditions in demanding engine applications. The pistons feature proven cam and barrel skirt profiles that generate substantial power while being gentle on your engine's cylinder walls, ensuring longevity and consistent performance. Precision-machined ring lands and grooves enhance ring seal, translating to improved compression and horsepower. The set includes chrome moly wrist pins as standard, with optional upgrades to 9310 and Turbo Tuff\/DLC alloys for added durability in extreme conditions. Unique fixturing in manufacturing allows for precise skirt turning and ring groove machining in a single operation, guaranteeing perfect ring-to-skirt squareness for a reliable seal. This piston set is compatible with 2004-2012 Subaru Impreza models, specifically engineered to meet the needs of professional tuners and engine builders seeking high performance. Note that these pistons require carb acknowledgment and are not CARB-approved, and they are suitable for air freight shipping. Built with Prop 65 compliance, this component ensures safety and quality standards are met. Whether you're rebuilding or upgrading your engine, the Manley Platinum Series pistons offer a robust solution for increased power and engine longevity.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\u003cli\u003eHigh-strength 2618 alloy forgings for durability and performance\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eProven cam and barrel skirt profiles for power and engine friendliness\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eChrome moly wrist pins included as standard; optional upgrades available\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 superior seal and compression\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":53603892625681,"sku":"612102C-4","price":699.23,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0949\/3830\/0689\/files\/68c0a59662562644476a622ad219dc00.jpg?v=1779967359","url":"https:\/\/shoprenegade.com\/products\/manley-performance-612102c-4-platinum-series-piston-set-for-subaru-wrx-sti-ej257-99-75mm-stroke-9-8-1-compression-ratio","provider":"Renegade Speed by Renegade Racing \u0026 Performance","version":"1.0","type":"link"}