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The Ferrea dual valve spring set for Mitsubishi 4G63T applications is supplied as a complete kit of 16 dual-style springs to outfit a full head. This set supports consistent valve seating and return characteristics across all cylinders, making it suitable for head rebuilds, staged upgrades, or valvetrain refreshes where matching spring behavior is required for reliable operation.
Ferrea Mitsubishi 4G63T Dual Valve Spring - Set of 16
