Porsche Surcharge for Dirty Engine Block / Cylinder Set -654727 91150306213GRV Assemble the thru-bolts as follows:

Assemble the thru-bolts as follows:

Porsche Cylinder head gasket set for C2/C4 (1991-1992) models

Porsche Front Center Upper Grille for Cayenne Turbo (2003-2006) and Cayenne Turbo S (2006) models

matted with a bevel-cut black-core single layer mat and framed in black lacquered hardwood with glass

911 (1974-1988)

Porsche Surcharge for Dirty Engine Block / Cylinder Set -654727 91150306213GRV Assemble the thru-bolts as follows:Porsche Engine blocks, cases, and cylinders must be cleaned prior to shipping them to LN Engineering for reconditioning and should be free of oil, coolant, or grease. Engine components that are very dirty, stained, or heavily oxidized need more cleaning than our standard process are subject to this surcharge. Vapor Blasting Service also available as a separate service for restoration of surfaces. Please note: Although cases are washed several times