Clutch Masters lightweight steel billet flywheel for the B58 3.0L turbo inline-six found in the BMW 340i and 440i and the 2023 Toyota GR Supra. CNC-machined in-house in the USA from a 1045 steel billet core, zero-balanced to spin 100% true, and black oxide coated for rust protection. Every Clutch Masters flywheel is SFI 1.2 certified for motorsport use.
| Type | Lightweight billet steel flywheel (850 Series) |
| Material | 1045 steel billet (black oxide) |
| Balance | Zero-balanced |
| SFI | SFI 1.2 certified |
| Part Number | FW-340-SF |
This part fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2016-2018 | BMW | 340i | Base |
| 2017-2018 | BMW | 340i GT xDrive | Base |
| 2016-2018 | BMW | 340i xDrive | Base |
| 2017-2018 | BMW | 440i | Base |
| 2017-2018 | BMW | 440i Gran Coupe | Base |
| 2017-2018 | BMW | 440i xDrive | Base |
| 2017-2018 | BMW | 440i xDrive Gran Coupe | Base |
| 2023 | Toyota | GR Supra | A91-MT Edition |
| 2023 | Toyota | GR Supra | Base |
| 2023 | Toyota | GR Supra | Premium |
Shipping: In-stock orders placed before 3 PM EST ship the same day, and everything else ships within 24 hours. Standard, expedited, and overnight options are available at checkout. Backordered items ship as soon as we get them back in stock. Contact us for lead times. See the full Shipping Policy.
Returns: 30-day returns on new, unused items in original packaging. See the full Refund Policy.
