Ferrea Endurance Dual Valve Spring Subaru WRX / STI EJ25 2004-2019 (QTY 16) Vehicle Model_Golf This is for cars with

This is for cars with a TMIC and stock location turbo

For those STI owners looking to push their car to the limit

Titanium Retainer & Seat Kit is engineered for high-performance Honda and Acura engine builds that require superior valvetrain stability at elevated RPM levels

Looking to eliminate that annoying body roll when cornering in your Nissan GT-R

resulting in no check engine lights or misfire codes

Ferrea Endurance Dual Valve Spring Subaru WRX / STI EJ25 2004-2019 (QTY 16) Vehicle Model_Golf This is for cars withPart #: 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.