The GSC Power Division manganese bronze exhaust valve guide set is a standard-size (STD) replacement intended for Porsche 944 Turbo applications and is supplied as a set of eight. The listing specifies manganese bronze material and the set quantity in the product description. Use this set when replacing worn exhaust valve guides on compatible Porsche 944 Turbo engines, confirming engine details before ordering.
GSC P-D Porsche 944 Turbo Manganese Bronze STD Style Exhaust Valve Guide - SET OF 8