GSC Power-Division Dual Valve Spring Kit for FA20 WRX/BRZ/FRS

GSC Power-Division Dual Spring Kit with Titanium Retainers for the FA20 BRZ/FRS/WRX
• IN: 102 lbs @ 1.299" / EX: 100 lbs @ 1.303" install height
• IN: 257 lbs @ 0.846" / EX: 256 lbs @ 0.850"
• Max RPM: 9,500 RPM
• Max boost: 50 psi
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.