Subaru Models (inc. 2002-2014 WRX / 2004+ STI)
BRIAN CROWER SINGLE SPRING/TITANIUM RETAINER KIT-02-14 WRX/04+ STI
This spring and retainer kit is ideal for those of you who are upgrading to a more aggressive set of camshafts and need the upgraded springs to handle the higher lift and duration.
- Springs are wound from high-grade chrome silicone alloys
- Manufactured with a proprietary processing procedure for consistent pressures
- Retainers are CNC machined from 6AL4V round bar titanium to exact tolerances
- No machine work required
- Seat: 1.420" @ 80 lbs
- Open: 1.000" @ 178 lbs
- Coil Bind: 0.850"