{"product_id":"clutch-masters-725-pro-series-triple-disc-clutch-kits-and-flywheel-2006-2009-legacy-2004-2021-sti","title":"Clutch Masters 725 PRO Series Triple Disc Clutch Kit \u0026 Flywheel 06-09 Legacy \/ 04-21 STI","description":"\u003ch3\u003eClutch Masters 725 PRO Series Triple Disc Clutch Kit \u0026amp; Flywheel 06-09 Legacy \/ 04-21 STI | 900 ft.lbs Torque Capacity | High-Performance Drivetrain Upgrade\u003c\/h3\u003e\n\n\u003ch4\u003eOverview\u003c\/h4\u003e\n\u003cp\u003eThe Clutch Masters 725 PRO Series Triple Disc Clutch Kit \u0026amp; Flywheel is a purpose-built conversion kit designed for the 2006-2009 Subaru Legacy and 2004-2021 Subaru WRX STI. This kit replaces the OEM clutch and flywheel setup with a robust multi-disc system engineered to handle significantly higher torque loads and provide superior engagement for high horsepower and race applications. It is specifically designed to work exclusively with the Clutch Masters flywheel, making it a comprehensive drivetrain upgrade for enthusiasts seeking enhanced durability and performance.\u003c\/p\u003e\n\u003cp\u003eClutch Masters has redefined their FX 725 line with the PRO Series, incorporating extensive engineering improvements based on over 15 years of racing and enthusiast feedback. The standout feature is the upgrade from a 6-post aluminum pressure plate to a 12-post 4140 heat-treated steel design, which dramatically increases structural integrity and resistance to flex under extreme stress. Manufactured entirely in the USA, this clutch kit reflects Clutch Masters’ commitment to quality, precision, and motorsport-grade reliability.\u003c\/p\u003e\n\u003cp\u003eFor Subaru owners pushing the limits of their Legacy or WRX STI, this triple disc clutch kit offers a significant step up in torque capacity—estimated at 900 ft.lbs—while maintaining smooth engagement and consistent performance under heat and abuse. The billet aluminum or steel flywheels are crafted to meet rigorous SFI safety standards, ensuring both street and track readiness. This setup is ideal for those running high-boost, built engines, or demanding race conditions where OEM components fall short.\u003c\/p\u003e\n\n\u003ch4\u003eFeatures \u0026amp; Specifications\u003c\/h4\u003e\n\u003cp\u003eThis Clutch Masters 725 PRO Series Triple Disc Clutch Kit \u0026amp; Flywheel is engineered for 2006-2009 Legacy and 2004-2021 WRX STI platforms and features a triple ceramic rigid disc design with a 12-post steel pressure plate. Constructed from heat-treated 4140 steel and billet 6061-T6 aluminum or 1045 steel flywheels, it delivers exceptional torque capacity and durability for Subaru enthusiasts seeking a high-performance drivetrain upgrade.\u003c\/p\u003e\n\u003cul style=\"list-style:none;padding:0;margin:0;\"\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Clutch Masters\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eProduct:\u003c\/strong\u003e 725 PRO Series Triple Disc Clutch Kit \u0026amp; Flywheel\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e 15017P3D7RSHV\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFitment:\u003c\/strong\u003e 2006-2009 Legacy \/ 2004-2021 STI\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e 4140 Heat-Treated Steel (Pressure Plate), Billet 6061-T6 Aluminum or 1045 Steel (Flywheel)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFinish:\u003c\/strong\u003e Type 3 Hard Coat Anodized (Aluminum Flywheel), Black Oxide Treated (Steel Flywheel)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eConstruction:\u003c\/strong\u003e CNC Machined and Assembled in USA\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOrigin:\u003c\/strong\u003e Made in USA\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTorque Capacity:\u003c\/strong\u003e 900 ft.lbs (Estimated)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eClutch Type:\u003c\/strong\u003e Triple Ceramic Rigid Disc\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSFI Certification:\u003c\/strong\u003e Yes\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFlywheel Compatibility:\u003c\/strong\u003e Exclusive to Clutch Masters Flywheel (OEM Flywheel Not Compatible)\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 12-post steel pressure plate resists flex and wear under high torque and heat, extending clutch life in demanding conditions.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePerformance:\u003c\/strong\u003e Triple disc ceramic design provides increased torque capacity and improved engagement for high horsepower Legacy and STI builds.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFitment:\u003c\/strong\u003e Designed specifically for 06-09 Legacy and 04-21 STI, ensuring precise compatibility and reliable operation with Clutch Masters flywheel.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQuality:\u003c\/strong\u003e Made entirely in the USA with CNC machining and rigorous quality control for consistent, race-proven performance.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSafety:\u003c\/strong\u003e SFI certification meets motorsport standards, providing confidence for both street and track use.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHeat Resistance:\u003c\/strong\u003e Ceramic rigid discs and heat-treated steel components maintain clutch integrity under extreme thermal stress.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eWhat's Included\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e1× Clutch Masters 725 PRO Series Triple Disc Clutch Kit (Triple Ceramic Rigid Discs)\u003c\/li\u003e\n  \u003cli\u003e1× Clutch Masters Flywheel (Aluminum or Steel, application-specific)\u003c\/li\u003e\n  \u003cli\u003eMounting hardware for clutch and flywheel installation\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 Clutch Masters 725 PRO Series Triple Disc Clutch Kit \u0026amp; Flywheel requires moderate to advanced mechanical skills and is recommended to be performed by a professional technician familiar with Subaru drivetrains. Special tools such as a clutch alignment tool and torque wrench are necessary for proper installation. This kit is a conversion that will not work with the OEM flywheel; it must be used exclusively with the included Clutch Masters flywheel. Tuning adjustments may be required for vehicles with modified engine management or increased power levels to optimize clutch engagement and drivability.\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 Flywheel replacement mandatory; clutch hydraulic system inspection advised\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eVerify Compatibility:\u003c\/strong\u003e Confirm fitment for your specific year and trim level of Legacy or WRX STI\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eShop with confidence at Subimods—your Subaru parts specialists.\u003c\/p\u003e","brand":"Clutch Masters","offers":[{"title":"Default Title","offer_id":47131501035695,"sku":"15017P3D7RSHV","price":2167.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0587\/3598\/4815\/files\/M198794019.jpg?v=1782934939","url":"https:\/\/subimods.com\/products\/clutch-masters-725-pro-series-triple-disc-clutch-kits-and-flywheel-2006-2009-legacy-2004-2021-sti","provider":"Subimods.com","version":"1.0","type":"link"}