Competition Clutch Forged Steel Flywheel Subaru STI 2004-2021

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Lightweight Steel Flywheel (2-721-ST) by Competition Clutch. Product Weight: 15 lbs. The lightweight steel flywheel is recommended for naturally aspirated and/or street driven applications. This flywheel preserves low-end torque and drivability. Well-suited for Gravity, Stage 1 and Stage 2 clutch applications. Competition Clutch flywheels are made of 4140 forged steel and are a one-piece design. This helps significantly in reducing the chances of ring gear separation and friction surface warpage. All flywheels can be resurfaced. These flywheels will work with ALL performance and stock clutch assemblies. All flywheels are SFI certified.


  • Use with Gravity, Stage 1 and Stage 2 Clutches
  • Can be Resurfaced
  • Will Work with all Performance and Stock Clutch Assemblies
  • SFI Approved
  • Alignment Tool Included: Yes
  • Disc Material: 4140 forged steel
  • SFI Approved: Yes
  • Designed to deliver trouble-free, consistent performance
  • Right for your vehicle and lifestyle
  • Made from high-quality materials for ultimate durability
  • Manufactured to meet or exceed strict quality requirement


  • 2004-2021 Subaru STI