Product Overview

Ferrea Dual Valve Spring Kit for Evo X (KT4014)

Verified Details

• Vehicle Fitment
• Includes
• (16) Titanium Retainers (E11089)
• (16) Valve Locks (K10091)
• Ferrea valve springs are heat-treated and stress relieved, which dramatically increases the spring's life.
• Harmonics or high frequency fatigue is present in all racing engines and will usually destroy the valvetrain if not controlled.
• Ferrea valve springs are developed from high strength alloys, including premium grade chrome silicon steel.
• Ferrea dual valve spring kit for the 4B11 Evo X includes a full set of 16 dual springs, titanium retainers, seat locators and valve locks.
• 2008-2015 Evolution X
• (16) Dual Springs (S10018)
• (16) Seat Locators (SL1096)
• More Info
• These provide the stability needed for high lift, high rpm racing engines, while minimizing the load loss for today's aggressive valvetrain combinations.
• Properly designed valve springs will control the dominant harmonics, provide the needed stability, and reduce valvetrain component wear.
• Part number: FER-KT4014