This Ferrea Dual Valve Spring Kit is a drag-racing-spec upgrade for the Acura K20 engine, built to control the valvetrain under the aggressive cam lift and high rpm of a drag application. Sold as a complete kit.
| Brand | Ferrea |
| Type | Dual valve spring kit (drag racing) |
| Application | Acura K20 |
| Part Number | KT4004 |
| Use | Drag-racing valvetrain upgrade |
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