Ferrea Valve Spring Kit – Honda Civic Type R (FK8/FL5) - K20C1

Overview

The Ferrea Valve Spring Kit for the Honda Civic Type R (K20C1 Turbo) is engineered to deliver exceptional valvetrain control under the demands of high-RPM and high-boost performance. Designed for turbocharged engines using aggressive camshaft profiles or increased boost pressure, this kit includes premium components such as single valve springs, lightweight tool steel retainers, seat locators, and precision-machined valve locks.

Ferrea’s proven spring and retainer combinations provide excellent spring stability, reduced mass, and increased fatigue resistance — making this kit ideal for both competition and high-performance street applications.

Key Features

• Complete valvetrain upgrade solution for the K20C1 turbo engine
• Single valve spring design with high-frequency response and load retention
• Lightweight tool steel retainers reduce valvetrain mass
• Precision exhaust and intake seat locators for accurate spring seating
• Compatible with OEM valve stem diameters and Ferrea/Supertech valve locks

What's Included

• 16 × Single Valve Springs – Part No. S10165
• 16 × Tool Steel Retainers – Part No. E20056
• 8 × Intake Seat Locators – Part No. SL1151
• 8 × Exhaust Seat Locators – Part No. SL1152
• 16 × Valve Locks – Part No. K10116

Vehicle Compatibility

• Honda Civic Type R (FK8 / FL5) – 2.0L Turbocharged K20C1 Engine