Ferrea Endurance Dual Valve Spring Subaru WRX / STI EJ25 2004-2019 (QTY 16) Type_Suspension ACT's ME2-HDR4 kit features a

ACT's ME2-HDR4 kit features a rigid

or when wheel spacers are required

strut/spindle bolt

Motul 300 has been the most popular gear oil product for the Subaru for many years

Ferrea Endurance Dual Valve Spring Subaru WRX / STI EJ25 2004-2019 (QTY 16) Type_Suspension ACT's ME2-HDR4 kit features aPart #: S10098 SUBARU IMPREZA WRX STI (2004 2017) DUAL VALVE SPRING (This listing is for a set of 16) This Spring requires Ferrea Titanium Retainer # E11065 and Ferrea Spring Seat Locator # SL1051 (Discard OEM Spring Seat Locator) Type Material Application: Dual Spring Special Alloy Turbo Endurance Racing Outside Diameter: 20. 8 mm 28 mm Price is for a quantity of 16.