Supertech Dual Valve Spring Kit for EJ WRX/STi JMFINTMANI Part Number: Fitment: Material: FW-919-AL

Part Number: Fitment: Material: FW-919-AL OEM-Style Replacement

Stainless steel dowels are pressed into the adapter plate to make alignment during installation easier

Evolution X fits both GSR and MR

With the growing amount of imitation turbo blankets on the market

This Gen 1 VQ35DE engine came in all 2003-2004 and the 2005-2006 automatic 350Z models and redlines at 6600 RPM

Supertech Dual Valve Spring Kit for EJ WRX/STi JMFINTMANI Part Number: Fitment: Material: FW-919-ALSupertech dual valve spring kits for EJ20 EJ25 Subaru WRX and STi. Includes 16 dual springs, 16 titanium retainers and valve seat locators. There are 4 options for the pressure seat, please do all your research and consult your engine builder if necessary! Vehicle Fitment: 2002 2014 Subaru WRX 2004 2021 Subaru STi Purchase Includes: (16) Dual Valve Springs (16) Titanium Retainers (16) Valve Seats Part Number: Pressure Seat: Details: SPRK TS1015 SU1