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The GSC Power Division manganese-bronze intake valve guide set for Porsche 996 and 997 Turbo models is sold as a standard-size set of 12 guides. The description identifies these as manganese bronze STD style guides supplied in a full set. Use this kit when replacing standard intake valve guides on compatible 996/997 Turbo engines; confirm model details and engine specification before ordering to ensure correct fitment.
GSC P-D Porsche 996/997 Turbo Manganese Bronze STD Style Intake Valve Guide - SET OF 12
