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The Ferrea valve spring kit for Nissan GT-R VR38DETT engines is a dual-spring solution developed to strengthen valve control in high-output applications. Intended for VR38DETT owners seeking improved valvetrain stability, the dual configuration replaces stock springs to help maintain consistent valve motion during sustained high-load or high-rpm operation while fitting the GT-R's engine architecture.
Ferrea Nissan GT-R VR38DETT Dual Spring Kit
