{"product_id":"manley-performance-platinum-series-forged-piston-2015-2021-wrx","title":"Manley Performance Platinum Series Forged Piston 2015-2021 WRX","description":"\u003ch3\u003eManley Performance Platinum Series Forged Piston 2015-2021 WRX | 2618 Alloy Forged | Engine Piston\u003c\/h3\u003e\n\n\u003ch4\u003eOverview\u003c\/h4\u003e\n\u003cp\u003eThe Manley Performance Platinum Series Forged Piston for the 2015-2021 Subaru WRX is a high-strength engine component designed for enthusiasts and professional builders seeking reliable power upgrades and durability. These pistons replace the factory cast units with premium forged 2618 alloy construction, engineered to withstand the increased stresses of boosted and high-performance applications. Ideal for turbocharged WRX builds, these pistons offer a solid foundation for both street and track use.\u003c\/p\u003e\n\u003cp\u003eManley’s Platinum Series pistons are crafted with precision using advanced manufacturing techniques. Featuring proven cam and barrel skirt profiles, tool steel wrist pins, and moly skirt coatings on select models, these pistons deliver a balance of strength and reduced friction. The unique fixturing process ensures exact ring groove to skirt squareness, enhancing ring seal and overall engine efficiency. This attention to detail sets Manley apart as a trusted name in Subaru engine components.\u003c\/p\u003e\n\u003cp\u003eFor Subaru WRX owners, upgrading to Manley’s forged pistons means improved durability under high boost and aggressive tuning. The 2618 alloy provides superior fatigue resistance compared to stock pistons, while the exacting ring lands and grooves help maintain compression and power output. With a stock compression ratio of 10.00:1 and precise bore and stroke compatibility, these pistons integrate seamlessly into your WRX engine build, supporting reliable performance gains and long-term engine health.\u003c\/p\u003e\n\n\u003ch4\u003eFeatures \u0026amp; Specifications\u003c\/h4\u003e\n\u003cp\u003eThis Manley Performance Platinum Series Forged Piston is engineered specifically for the 2015-2021 Subaru WRX and features a 2618 alloy forging construction. Crafted from high-strength forged aluminum, it delivers exceptional durability and power potential for Subaru enthusiasts seeking a robust engine foundation.\u003c\/p\u003e\n\u003cul style=\"list-style:none;padding:0;margin:0;\"\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Manley Performance\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eProduct:\u003c\/strong\u003e Platinum Series Forged Piston\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e 632700CA-1\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFitment:\u003c\/strong\u003e 2015-2021 Subaru WRX\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e 2618 Alloy Forged Aluminum\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFinish:\u003c\/strong\u003e Moly Skirt Coating (select part numbers)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eConstruction:\u003c\/strong\u003e Precision Forged with Unique Fixturing\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOrigin:\u003c\/strong\u003e Made in USA\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBore Diameter:\u003c\/strong\u003e 86.00 mm\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEngine Stroke:\u003c\/strong\u003e 86.00 mm (Stock)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompression Height:\u003c\/strong\u003e 1.285 in\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePiston Volume:\u003c\/strong\u003e -13.00 cc\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 340 g\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompression Ratio:\u003c\/strong\u003e 10.00:1 (Stock)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWrist Pins:\u003c\/strong\u003e Chrome Moly Standard, Optional 9310 or Turbo Tuff\/DLC Upgrades\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEmissions Code:\u003c\/strong\u003e 3\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eKey Benefits\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDurability:\u003c\/strong\u003e 2618 alloy forging offers superior strength and fatigue resistance for high-boost and high-RPM applications.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePerformance:\u003c\/strong\u003e Exact ring lands and grooves improve ring seal, enhancing compression and power output.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFitment:\u003c\/strong\u003e Designed specifically for 2015-2021 WRX engines, ensuring precise bore and stroke compatibility.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFriction Reduction:\u003c\/strong\u003e Moly skirt coatings reduce piston-to-cylinder wall friction for smoother operation and longevity.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQuality:\u003c\/strong\u003e Manufactured in the USA with strict quality control and unique fixturing for consistent, reliable performance.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUpgrade Options:\u003c\/strong\u003e Wrist pin upgrades available for increased durability in demanding builds.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eWhat's Included\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e1× Manley Performance Platinum Series Forged Piston\u003c\/li\u003e\n  \u003cli\u003eStandard Chrome Moly Wrist Pin (upgrade options available separately)\u003c\/li\u003e\n  \u003cli\u003eInstallation instructions\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eInstallation \u0026amp; Compatibility\u003c\/h4\u003e\n\u003cp\u003eInstallation of the Manley Performance Platinum Series Forged Piston requires professional engine building experience and precision machining. Proper honing and clearancing of the cylinder bore are necessary to accommodate forged pistons. This component is intended for use in 2015-2021 Subaru WRX engines with stock bore and stroke dimensions. Tuning adjustments are recommended to optimize performance and ensure engine safety after installation.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eProfessional Installation:\u003c\/strong\u003e Recommended\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eModifications Required:\u003c\/strong\u003e Cylinder bore honing and possible wrist pin fitment adjustments\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eVerify Compatibility:\u003c\/strong\u003e Confirm fitment for your specific WRX model year and engine build\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eShop with confidence at Subimods—your Subaru parts specialists.\u003c\/p\u003e","brand":"Manley Performance","offers":[{"title":"Default Title","offer_id":50599851393199,"sku":"632700CA-1","price":187.08,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0587\/3598\/4815\/files\/manley-performance-platinum-series-forged-piston-2015-2021-wrx-632700ca-1-7162326.jpg?v=1791489250","url":"https:\/\/subimods.com\/products\/manley-performance-platinum-series-forged-piston-2015-2021-wrx","provider":"Subimods.com","version":"1.0","type":"link"}