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The GSC Power Division HP conical valve spring kit for Nissan VR30DDTT engines includes titanium retainers and seats and is rated to 9,500 RPM and 40 PSI maximum boost. The kit supplies springs and hardware to support valve control within those limits, intended for engine builds and service where the specified RPM and boost envelopes are required.
GSC P-D Nissan VR30DDTT HP Conical Valve Spring Ti Retainer & Seat Kit (9500RPM/40PSI Max)
