Ferrea Dual Valve Spring Kit for 4G63 Evo 4-9 (KT4013) Zeitronix (A battery can be one

(A battery can be one of the above types and MF)

68 11104007219 S Cover Ported T4 Inlet V-Band Outlet

63 21304210189 S Cover Ported T3 Inlet 5-Bolt Outlet with Wastegate Hole

Xtreme (N024X)

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 (A battery can be oneFerrea 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.