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A set of 12 GSC Power Division titanium valve retainers intended for Toyota and BMW B58 engines. These lightweight retainers are supplied as a matched kit to support high-rpm valvetrain stability where stronger, lighter valve train components are required. Use them as part of a valvetrain upgrade when source material indicates compatibility with B58 platforms and related performance builds.
GSC P-D Toyota/BMW B58 Titanium Retainer Exhaust Kit - Set of 12
