Ferrea Dual Valve Spring Kit for 4G63 Evo 4-9 (KT4013) Zeitronix replacing every core component in

replacing every core component in the OEM system

rubber and plastic

and helps to stabilize your rear bumper

Please visually confirm the axle nut design on your car before purchase as they do vary between model years

Ferrea Dual Valve Spring Kit for 4G63 Evo 4-9 (KT4013) Zeitronix replacing every core component inFerrea dual valve spring kit for the Evo 4 5 6 7 8 9 includes a full set of 16 dual springs, titanium retainers, seat locators and valve locks. Vehicle Fitment: 1996 2006 Evolution IV V VI VII VIII IX Includes: (16) Dual Springs (S10084) (16) Titanium Retainers (E11052) (16) Seat Locators (SL1041) (16) Valve Locks (32 pieces) (K10035) More Info: Ferrea valve springs are heat treated and stress relieved, which dramatically increases the spring's life.