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Brian Crower Nissan TB48 single spring and titanium retainer kit for TB48 engines. This valve spring and titanium retainer set is supplied as a matching hardware kit for valvetrain assembly or replacement. It provides an OEM-compatible form factor for rebuilds or targeted upgrades where the TB48 specification applies, helping maintain reliable valve control under demanding engine conditions.
Brian Crower Nissan TB48 Single Spring & Titanium Retainer Kit
