Description
Stage X uprated valve springs offer a higher spring rate than the standard genuine spring, helping to eliminate valve bounce at high engine revs.
- Unfitted length: 54mm
- Coil diameter: 3.8mm
- Weight: 48g each
- Seat pressure: 33 KGF
- Lift pressure: 72.8 KGF
These springs are a direct replacement for the OEM spring and use the standard spring seat and retainer.
Compatible vehicle groups
Compatible model years
- Impreza 1992–2000