These Ferrea Titanium Retainers reduce valvetrain mass on the Toyota Supra 3.0L B58 (and BMW B58) turbo engine for improved valvetrain stability and added horsepower. Sized for a 5.0mm valve stem. Sold as a set of 12.
| Type | Titanium retainers |
| Application | Toyota Supra 3.0L / BMW B58 |
| Valve Stem | 5.0 mm |
| Quantity | Set of 12 |
| Part Number | E11147 |
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Returns: 30-day returns on new, unused items in original packaging. See the full Refund Policy.
