GSC Power-Division Single Valve Spring Kit for FA20 WRX-BRZ-FRS FA20DIT WRX Shortblocks we have created a stronger

we have created a stronger and higher flowing valve head design

5L 5MT 4WD RSPRO Sedan 2005

Comes with 2 rails

and in that time there has been a lot of research

The number of features you can run is dependent on how many of the limited Inputs and Outputs each feature needs

GSC Power-Division Single Valve Spring Kit for FA20 WRX-BRZ-FRS FA20DIT WRX Shortblocks we have created a strongerMax RPM: 8,200 RPM Max boost: 20 psi Cylindrical Spring Coil Bind 0. 782 Install Height 1. 294 1. 298 Seat Pressure 86 25 lbs Open Pressure @ 11. 0mm Lift 179 lbs @ 0. 861 178 lbs @ 0. 865 Maximum Valve Lift 0. 452 Includes: 16 Dual Springs 16 Spring Seat Locators 16 Titanium Retainers