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The Ferrea valve spring kit for Mitsubishi Evo VIII 4G63T applications is a turbo-capable dual spring set intended to replace factory springs for more consistent valve control. Built to support the demands of forced-induction operation on Evo VIII engines, the dual configuration increases valvetrain stability during repeated high-load use and helps maintain dependable valve timing under stress.
Ferrea Mitsubishi Evo VIII 4G63T Turbo Dual Spring Kit
