Clutch Masters replacement flywheels for the Subaru WRX and STi manual transmission models. These flywheels are available for the 725 and 850 Series twin disc clutch kits or as an OEM style factory replacement flywheel. They are different through the model years, please choose your selection carefully.
2018 WRX Model Year Notes:
Mid year in 2018, the WRX got larger diameter clutch components. The facing diameter was increased from 230mm to 240mm. This update includes VIN numbers starting with J*806877. Subaru service bulletin 03-79-18R.
Purchase Includes:
(1) Flywheel
Need Flywheel Bolts?
• OEM Bolts (800610740)
• ARP Bolts (254-2801)
More Info:
Clutch Masters flywheels are designed and tested to ensure the safety and quality of every flywheel. Made from 6061 T6 billet aluminum, 1045 or 4140 billet steel. SFI Certified meeting performance standards for the automotive and motorsport industry. Photos are for reference and each flywheel may vary.
Additional Notes:
The OEM STi flywheel weighs 23 pounds.
| Part Number: | Model/Year: | Fitment: | Specs: |
| FW-021-AL | 2006-2017 WRX | OEM-Style Replacement Fits FX Single Disc Clutch Kits |
Aluminum 12 Pounds |
| FW-021-SF | 2006-2017 WRX | OEM-Style Replacement Fits FX Single Disc Clutch Kits |
Steel 16 Pounds |
| FW-915-AL | 2018-2022+ WRX | OEM-Style Replacement Fits FX Single Disc Clutch Kits |
Aluminum 14 Pounds |
| FW-915-SF | 2018-2022+ WRX | OEM-Style Replacement Fits FX Single Disc Clutch Kits |
Steel 19 Pounds |
| FW-738-TDA | 2006-2022+ WRX | 725 Series Twin Clutch | Aluminum 11 Pounds |
| FW-738-TDS | 2006-2022+ WRX | 725 Series Twin Clutch | Steel 15 Pounds |
| FW-721-AL | 2004-2021 STi | OEM-Style Replacement Fits FX Single Disc Clutch Kits |
Aluminum 11 Pounds |
| FW-721-SF | 2004-2021 STi | OEM-Style Replacement Fits FX Single Disc Clutch Kits |
Steel 12 Pounds |
| FW-721-B-TDS | 2004-2021 STi | 850 Series Twin Clutch | Steel 18 Pounds |
| Coming Soon | 2004-2021 STi | 725 Series Twin Clutch | Unknown |
