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GSC Power Division valve springs and titanium retainer kit for the Nissan GT-R VR38DETT is a race-focused valvetrain upgrade. The single conical spring and lightweight titanium retainers support aggressive cam profiles and high RPM stability where competition use is specified. This kit targets track applications and supplies components intended for race-only engine builds.
GSC P-D Nissan GTR VR38DETT Single Conical Valve Spring & Titanium Retainer Kit (Race Only)
