Supertech Dual Valve Spring Kit for EJ WRX/STi Girodisc 125" Inner Diameter (Manifold to

125" Inner Diameter (Manifold to Turbo)

• 3" aluminum MAF housing (Optional)

silicone hoses

001" 1 Guide GSC3079

• 2" Wide x 1/16" Thick

Supertech Dual Valve Spring Kit for EJ WRX/STi Girodisc 125" Inner Diameter (Manifold toSupertech 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