This Ferrea Dual Valve Spring Kit upgrades the valvetrain on Acura/Honda B16 and B18 engines with high-pressure dual springs designed to control valve motion at high rpm and with aggressive camshafts. It is a high-pressure spec for boosted or high-lift builds. Sold as a complete kit.
| Type | Dual valve spring kit (high pressure) |
| Application | Acura/Honda B16 / B18 |
| Use | High-rpm / high-lift valvetrain upgrade |
| Part Number | KT4002 |
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.
