GSC Subaru FA20 WRX/BRZ/FRS Dual Cylindrical Valve Spring Kit - 5256

The GSC Power-Division Dual Valve Spring Kit with Titani9um Retainers for the Subaru 2015 WRX, BRZ and Scion FRS includes 16 titanium retainers, 16 dual valve spring sets, and 16 spring seats. This dual cylindrical set is made from the same high quality wire as our Beehive Kits and utilizes a Nano-peened finishing process to allow for the lowest possible fatigue loss rate.