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The Supertech dual valve spring kit for Nissan RB26DET 24-valve engines provides inner and outer springs to stabilize valve motion and reduce float risk as engine speeds rise. By combining two spring rates, the kit seeks to preserve valve seating and improve repeatable valvetrain response. It is specified for RB26DET 24V applications that benefit from added valve control capacity.
Supertech Nissan RB26DET 24V Dual Valve Spring Kit
