GSC P-D Single Valve Spring & Titanium Retainer Kit - Subaru WRX 2015-2020 / BRZ 2013-2020 / Scion FR-S 2013-2016 / Toyota 86 2017-2020 Porsche-911-2003 This large core delivers cool

This large core delivers cool air to the engine under all circumstances

the 725 Series

2019+ (MK7)

increased exhaust flow for improved engine performance

GSC P-D Single Valve Spring & Titanium Retainer Kit - Subaru WRX 2015-2020 / BRZ 2013-2020 / Scion FR-S 2013-2016 / Toyota 86 2017-2020 Porsche-911-2003 This large core delivers coolGSC5756 Cylindrical Valve Spring Kit with Ti Retainer for the Subaru FA20 Setup Coil Bind (in) Install Height (in) Seat Pressure (lbs) Open Pressure, 11. 0mm lift Maximum Valve Lift (in) Cylindrical 0. 782 1. 279 1. 283 89 88 182lbs @ 0. 846" 181lbs @ 0. 850" 0. 433 Max RPM: 8,200 RPM Max boost: 20 psi The GSC Power Division Single Cylindrical Valve Spring Kit with Ti Retainers for the Subaru 2015+WRX, BRZ, Scion FRS and Toyota FT86 using the new 2.