Ferrea Valve Spring Kit K20C1 Honda Civic Type R Honda (K Series) We sleeve ALL F20C/F22C engines

We sleeve ALL F20C/F22C engines

Cars getting turned around or flipped

Engines for racing applications are built with different tolerances and operated at high temperature under full load

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

but with significant power gains over stock

Ferrea Valve Spring Kit K20C1 Honda Civic Type R Honda (K Series) We sleeve ALL F20C/F22C enginesThe 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: