These Ferrea Single Valve Springs upgrade the valvetrain on the Toyota Supra 3.0L B58 (and BMW B58) turbo engine. They measure 22.53mm OD x 15.52mm ID for improved valve control at elevated boost and rpm. Sold as a set of 24.
| Type | Single valve springs |
| Application | Toyota 3.0L / BMW B58 |
| OD | 22.53 mm |
| ID | 15.52 mm |
| Quantity | Set of 24 |
| Part Number | S10177 |
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