Ferrea valve springs are the go to for the ultimate vavletrain combination in your high performance race RB26 engine to prevent valve float.

This is important when running high RPM, high boost pressure and especially when using ignition cut torque reduction strategies with sequential or h-patten dog engagement transmissions.

Harmonics or high frequency fatigue is present in all racing engines and will usually destroy the valvetrain if not controlled.

Properly designed valve springs will control the dominant harmonics, provide the needed stability, and reduce valvetrain component wear. Ferrea valve springs are developed from high strength alloys, including premium grade chrome silicon steel.

Their springs are heat-treated and stress relieved, which dramatically increases the spring's life.

Their valve springs provide the stability needed for high lift, high rpm racing engines, while minimizing the load loss for today's aggressive valvetrain combinations