The Gasket, Exhaust Manifold 1 (nas) is the most widely applied product in the 90TRP 1991 UPPER CASING ( eleven times ).
The sub assemblies and components that make up this Upper Casing include this Casing, Upper, the most expensive part.
Parts such as the Upper Casing: Gasket, Upper Casing (nas), Bolt (695), Ybs67-8 Washer, Spring, Ybs67-8 Washer, Spring are included in the 90trp 1991 Upper Casing parts fiche.