28/08/2026
As an upgrade over stock Mitsubishi Evolution X (4B11T) components, GSC POWER-DIVISION VALVE SPRING AND RETAINERS are high-performance upgrades designed to prevent valve float, handle high boost pressures (40+ PSI), and increase engine reliability up to 9,800–10,000 RPM.
In stock at:
Blue Coral Racing
The ART of Performance
(868) 717-4641