{"product_id":"act-mod-twin-225-race-level-2-rebuild-kit-subaru-sti-2004-2021-t2r-rk12","title":"ACT Mod-Twin 225 Race Level 2 Rebuild Kit Subaru STI 2004-2021 | T2R-RK12","description":"\u003cp\u003eThe ACT Mod-Twin 225 Race Level 2 Rebuild Kit (T2R-RK12) is a precision-engineered twin-disc clutch rebuild solution designed specifically for the 2004–2021 Subaru WRX STI. Built for high-performance and motorsport applications, this rebuild kit restores your ACT Mod-Twin system to race-ready condition, extending the life of your drivetrain investment without requiring a full clutch replacement. Ideal for track day enthusiasts, rally competitors, and serious performance drivers who demand consistent, reliable power transfer under extreme conditions.\u003c\/p\u003e\n\u003ch2\u003eKey Features \u0026amp; Benefits\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eRace Level 2 Performance Rating\u003c\/strong\u003e – Engineered to handle aggressive power levels and high-RPM engagement common in modified and turbocharged WRX STI builds, providing confident power transfer on both street and track.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMod-Twin 225 Twin-Disc Architecture\u003c\/strong\u003e – Twin-disc design dramatically increases clamping force and torque capacity compared to single-disc setups, enabling reliable engagement even with significant power upgrades.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM-Compatible Rebuild Solution\u003c\/strong\u003e – Designed to work specifically with ACT assemblies PN T2R-S05 and T2R-S07, ensuring a precise, drop-in fit with no modifications required to existing hardware.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-Quality ACT Friction Materials\u003c\/strong\u003e – ACT's proprietary friction disc compounds deliver smooth, consistent engagement characteristics while withstanding the heat and abuse of repeated high-performance use.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCost-Effective Restoration\u003c\/strong\u003e – Rebuilding with the T2R-RK12 kit extends the service life of your existing Mod-Twin system, offering a more economical alternative to full assembly replacement at race-level performance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrecision Manufactured Tolerances\u003c\/strong\u003e – Each component is manufactured to ACT's strict quality standards, ensuring proper clamp load, balance, and rotational integrity critical to twin-disc clutch systems.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWhat's Included\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eACT Mod-Twin 225 Race Level 2 Rebuild Kit components\u003c\/li\u003e\n\u003cli\u003eFriction disc(s) matched to Mod-Twin 225 specifications\u003c\/li\u003e\n\u003cli\u003ePressure plate and\/or wear components as applicable to rebuild specification\u003c\/li\u003e\n\u003cli\u003eHardware and associated fasteners\u003c\/li\u003e\n\u003cli\u003eACT product documentation and part reference guide\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cem\u003eNote: This rebuild kit is intended for use wstiith ACT assemblies PN T2R-S05 and T2R-S07. Verify your existing assembly part numbers before ordering.\u003c\/em\u003e\u003c\/p\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eManufacturer Part Number\u003c\/th\u003e\n\u003ctd\u003eT2R-RK12\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003ctd\u003eACT (Advanced Clutch Technology)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eKit Type\u003c\/th\u003e\n\u003ctd\u003eMod-Twin Rebuild Kit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDisc Diameter\u003c\/th\u003e\n\u003ctd\u003e225mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePerformance Level\u003c\/th\u003e\n\u003ctd\u003eRace Level 2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDisc Configuration\u003c\/th\u003e\n\u003ctd\u003eTwin-Disc\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCompatible Assemblies\u003c\/th\u003e\n\u003ctd\u003eT2R-S05, T2R-S07\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eUPC\u003c\/th\u003e\n\u003ctd\u003e842385025885\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSKU\u003c\/th\u003e\n\u003ctd\u003eactT2R-RK12\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCategory\u003c\/th\u003e\n\u003ctd\u003eDrivetrain – Clutch Kits (Multi-Disc)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003eFitment \u0026amp; Compatibility\u003c\/h2\u003e\n\u003cp\u003eThe ACT T2R-RK12 Mod-Twin 225 Race Level 2 Rebuild Kit is compatible with the following vehicles:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e2004–2021 Subaru WRX STI\u003c\/strong\u003e – All trim levels with the EJ257 turbocharged boxer engine and 6-speed manual transmission (Subaru STI 6MT)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThis kit is a rebuild component intended exclusively for use with ACT Mod-Twin assemblies \u003cstrong\u003ePN T2R-S05\u003c\/strong\u003e and \u003cstrong\u003ePN T2R-S07\u003c\/strong\u003e. It is not a standalone clutch kit and requires an existing ACT Mod-Twin 225 assembly. Confirm your current ACT assembly part number before purchasing. If you are unsure of compatibility, consult your ACT documentation or contact a qualified drivetrain specialist.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs this kit compatible with the base Subaru WRX (non-STI)?\u003c\/strong\u003e No. This kit is engineered for the Subaru WRX STI platform and its specific transmission and bell housing dimensions. It is not designed for the base WRX.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs this CARB compliant?\u003c\/strong\u003e This is a race\/performance drivetrain component intended for competition use. Users should verify local emissions and street legality regulations before installation on street-driven vehicles.\u003c\/p\u003e\n\u003ch2\u003eInstallation\u003c\/h2\u003e\n\u003cp\u003eThe ACT Mod-Twin 225 Race Level 2 Rebuild Kit requires removal of the transmission and disassembly of the existing ACT Mod-Twin clutch assembly (T2R-S05 or T2R-S07). Due to the precision nature of twin-disc clutch systems and the torque specifications involved, \u003cstrong\u003eprofessional installation by an experienced performance drivetrain technician is strongly recommended\u003c\/strong\u003e. Proper alignment tools, a transmission jack, and torque wrenches are required. ACT recommends inspecting the flywheel surface, pilot bearing, throw-out bearing, and fork during any clutch rebuild service. Always follow ACT's published installation guidelines included with the kit.\u003c\/p\u003e","brand":"ACT","offers":[{"title":"Default Title","offer_id":43151190884448,"sku":"actT2R-RK12","price":936.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1398\/9853\/files\/ACT-Mod-Twin-225-Race-Level-2-Rebuild-Kit-Subaru-STI-2004-2021-T2R-RK12.webp?v=1789558637","url":"https:\/\/www.importimageracing.com\/products\/act-mod-twin-225-race-level-2-rebuild-kit-subaru-sti-2004-2021-t2r-rk12","provider":"Import Image Racing","version":"1.0","type":"link"}