{"product_id":"manley-performance-man612100c-4-04-subaru-wrx-sti-ej257-platinum-series-piston-set","title":"Manley Performance - man612100C-4 - 04+ Subaru WRX STi EJ257 Platinum Series Piston Set","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\u003eThe Manley Performance man612100C-4 Platinum Series piston set is designed for 04+ Subaru WRX STi applications with the EJ257 engine. This set features a standard-stroke configuration, 99.5 mm standard bore, 9.8:1 compression ratio, dished pistons and rings. Manley Platinum Series pistons use 2618 alloy forgings, proven cam and barrel skirt profiles, tool steel wrist pins and moly skirt coatings on select part numbers.\u003c\/p\u003e\u003ch3\u003eKey Features \u0026amp; Performance Benefits\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e2618 Alloy Forgings:\u003c\/strong\u003e Domestic 2618 alloy forgings provide strength and performance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrecision Fixturing:\u003c\/strong\u003e Skirt turning and ring groove machining are completed in a single operation for improved ring groove-to-skirt squareness.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExacting Ring Lands and Grooves:\u003c\/strong\u003e Strict machining standards support enhanced ring seal and power.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCam and Barrel Profiles:\u003c\/strong\u003e Skirt profiles are designed to generate power while being gentle on cylinder walls.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eKey Product Specifications \u0026amp; Technical Data\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Manley Performance\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e man612100C-4\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeries:\u003c\/strong\u003e Platinum Series\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Subaru WRX STi\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEngine:\u003c\/strong\u003e EJ257\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStroke:\u003c\/strong\u003e Standard\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBore:\u003c\/strong\u003e 99.5 mm standard bore\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompression Ratio:\u003c\/strong\u003e 9.8:1\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhat's Included in the Box\u003c\/h3\u003e\u003cp\u003eThe product is described as a piston set with rings. Chrome moly wrist pins come standard with Manley Standard Series pistons; the supplied wrist pin specification for this part number is not stated in the product data.\u003c\/p\u003e\u003ch3\u003eFitment\u003c\/h3\u003e\u003cp\u003eFits 2004, 2005, 2006 and 2007 Subaru Impreza applications as listed by the supplier. Verify application details before installation.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eImportant:\u003c\/strong\u003e This product is not CARB approved, and acknowledgement is required. Proposition 65 applies.\u003c\/p\u003e\u003cbr\u003e\nFitments:\u003cbr\u003e\n2004 Subaru Impreza WRX STI\u003cbr\u003e\n2005 Subaru Impreza WRX STI\u003cbr\u003e\n2006 Subaru Impreza WRX\u003cbr\u003e\n2006 Subaru Impreza WRX Limited\u003cbr\u003e\n2006 Subaru Impreza WRX STI\u003cbr\u003e\n2006 Subaru Impreza WRX TR\u003cbr\u003e\n2007 Subaru Impreza WRX\u003cbr\u003e\n2007 Subaru Impreza WRX Limited\u003cbr\u003e\n2007 Subaru Impreza WRX STI\u003cbr\u003e\n2007 Subaru Impreza WRX STI Limited\u003cbr\u003e\n2007 Subaru Impreza WRX TR\u003cbr\u003e\n2008 Subaru Impreza WRX\u003cbr\u003e\n2008 Subaru Impreza WRX STI\u003cbr\u003e\n2009 Subaru Impreza WRX\u003cbr\u003e\n2009 Subaru Impreza WRX Premium\u003cbr\u003e\n2009 Subaru Impreza WRX STI\u003cbr\u003e\n2010 Subaru Impreza WRX\u003cbr\u003e\n2010 Subaru Impreza WRX Limited\u003cbr\u003e\n2010 Subaru Impreza WRX Premium\u003cbr\u003e\n2010 Subaru Impreza WRX STI\u003cbr\u003e\n2010 Subaru Impreza WRX STI Special Edition\u003cbr\u003e\n2011 Subaru Impreza WRX\u003cbr\u003e\n2011 Subaru Impreza WRX Limited\u003cbr\u003e\n2011 Subaru Impreza WRX Premium\u003cbr\u003e\n2011 Subaru Impreza WRX STI\u003cbr\u003e\n2011 Subaru Impreza WRX STI Limited\u003cbr\u003e\n2012 Subaru Impreza WRX\u003cbr\u003e\n2012 Subaru Impreza WRX Limited\u003cbr\u003e\n2012 Subaru Impreza WRX Premium\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\u003ctbody\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\/tbody\u003e\n\u003c\/table\u003e\u003cbr\u003e","brand":"Manley Performance","offers":[{"title":"Default Title","offer_id":68052221395196,"sku":"612100C-4","price":770.92,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0641\/6518\/3740\/files\/group-6fb279de-3abc-410e-9607-f540300bf0a1-800_386493b2-3544-41cc-8df7-aafd19cdb281.jpg?v=1793467338","url":"https:\/\/diycustoms.store\/products\/manley-performance-man612100c-4-04-subaru-wrx-sti-ej257-platinum-series-piston-set","provider":"diycustoms.store","version":"1.0","type":"link"}