This Ferrea Dual Valve Spring Kit upgrades the valvetrain on the Mitsubishi Lancer Evolution X (4B11T turbo) with dual springs built to handle boost, high rpm, and aggressive cam profiles. Sold as a complete kit.
| Type | Dual valve spring kit |
| Application | Mitsubishi Evo X (4B11T) |
| Use | Turbo / high-rpm valvetrain upgrade |
| Part Number | KT4014 |
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Returns: 30-day returns on new, unused items in original packaging. See the full Refund Policy.
