{"product_id":"clutch-masters-725-pro-series-twin-disc-clutch-kits-and-flywheel-2006-2009-legacy-2004-2021-sti","title":"Clutch Masters 725 PRO Series Twin Disc Clutch Kit \u0026 Flywheel 06-09 Legacy \/ 04-21 STI","description":"\u003ch3\u003eClutch Masters 725 PRO Series Twin Disc Clutch Kit \u0026amp; Flywheel 06-09 Legacy \/ 04-21 STI | 700 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 Twin Disc Clutch Kit \u0026amp; Flywheel is a purpose-built drivetrain upgrade designed for Subaru Legacy models from 2006 to 2009 and Subaru WRX STI models from 2004 to 2021. This conversion kit replaces the OEM clutch and flywheel setup with a high-capacity multi-disc system engineered to handle increased torque and abuse from high horsepower builds and racing applications. It is specifically designed to work exclusively with the Clutch Masters flywheel, requiring the OEM flywheel to be removed.\u003c\/p\u003e\n\u003cp\u003eClutch Masters has redefined their FX 725 line with the PRO Series, focusing on structural integrity and durability. The pressure plate now features 12 heat-treated 4140 steel posts instead of the previous 6 aluminum posts, significantly improving resistance to flex, wear, and heat under extreme conditions. Manufactured entirely in the USA, this clutch kit benefits from direct feedback from race teams and years of development, resulting in a product that meets rigorous SFI certification standards for motorsport use.\u003c\/p\u003e\n\u003cp\u003eFor Subaru enthusiasts and racers, this clutch and flywheel combo delivers a robust solution that supports aggressive driving and high torque outputs up to an estimated 700 ft.lbs. The choice between ceramic or sintered iron discs and aluminum or steel flywheels allows customization to match driving style and application, ensuring reliable engagement and longevity. This kit transforms the drivetrain experience by providing enhanced durability and consistent performance for demanding Subaru builds.\u003c\/p\u003e\n\n\u003ch4\u003eFeatures \u0026amp; Specifications\u003c\/h4\u003e\n\u003cp\u003eThis Clutch Masters 725 PRO Series Twin Disc Clutch Kit \u0026amp; Flywheel is engineered for 2006-2009 Legacy and 2004-2021 Subaru WRX STI platforms and features a 7.25” multi-disc clutch with a 12-post steel pressure plate. Constructed from heat-treated 4140 steel and billet aluminum or steel flywheels, it delivers superior torque capacity and durability for Subaru enthusiasts seeking high-performance drivetrain reliability.\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 Twin Disc Clutch Kit \u0026amp; Flywheel\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e 15017PTD7RSHV\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 700 ft.lbs (estimated)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDisc Options:\u003c\/strong\u003e Twin Race (Two Ceramic Rigid Discs), Triple Race (Three Ceramic Rigid Discs), Twin Iron (Two Sintered Iron Rigid Discs)\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 Requires 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 steel pressure plate posts provide superior strength and resistance to flex and heat compared to OEM and previous models.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTorque Handling:\u003c\/strong\u003e Supports up to an estimated 700 ft.lbs of torque, ideal for high horsepower and race applications.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCustomization:\u003c\/strong\u003e Multiple disc material options allow tuning of engagement feel and durability to suit street, track, or race use.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFitment:\u003c\/strong\u003e Designed specifically for 06-09 Legacy and 04-21 STI models ensuring precise compatibility and performance.\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, reliable performance.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCertification:\u003c\/strong\u003e SFI certified to meet motorsport safety and performance standards.\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 Twin Disc Clutch Kit (Disc type as selected)\u003c\/li\u003e\n  \u003cli\u003e1× Clutch Masters Flywheel (Aluminum or Steel, application-specific)\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 Twin Disc Clutch Kit \u0026amp; Flywheel requires removal of the OEM flywheel and clutch components. This is a moderate to advanced level installation best performed by a professional or experienced enthusiast with access to proper tools such as a transmission jack and torque wrench. The kit is a direct replacement for the specified Legacy and STI models but requires the use of the included Clutch Masters flywheel as the OEM flywheel is incompatible. Tuning is recommended for vehicles with modified engine management 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 Removal of OEM flywheel; use of Clutch Masters flywheel mandatory\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eVerify Compatibility:\u003c\/strong\u003e Confirm fitment for your specific year and trim level before purchase\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":47131501101231,"sku":"15017PTD7RSHV","price":1870.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0587\/3598\/4815\/files\/M198794012.jpg?v=1782934939","url":"https:\/\/subimods.com\/products\/clutch-masters-725-pro-series-twin-disc-clutch-kits-and-flywheel-2006-2009-legacy-2004-2021-sti","provider":"Subimods.com","version":"1.0","type":"link"}