Ferrea Valve Spring Kit K20C1 Honda Civic Type R Honda (K Series) Current Promotion: Upgrade to Saenz

Current Promotion: Upgrade to Saenz S-Series Connecting Rods at NO CHARGE

Ferrea PAC HD valve springs

clean feel that holds up no matter how hard you run it

The 4P Outlaw D16 CNC cylinder head brings a new level of quality and performance to Honda D16 engine enthusiasts and racers

Ferrea Valve Spring Kit K20C1 Honda Civic Type R Honda (K Series) Current Promotion: Upgrade to SaenzThe OEM Honda valvetrain can handle bursts to 7000 rpm, but there have been failures with extended periods of continuous RPM at that level. The Ferrea valve spring kit uses a high quality PAC spring Made in the USA. It increases the seat pressure more than 20 psi on the seat to help control valve bounce and will allow safe operation up to and beyond 9000 rpm. This is especially critical in the event of a missed gear or mechanical over rev. Includes: