MAHLE Original HS54173A Engine Cylinder Head Gasket Set All MAHLE Original gaskets meet or exceed the original equipment specifications providing the finest sealing products available MAHLE Original gaskets utilizes OE equivalent or better materials in all our gaskets Head gasket set (HS) contains all the gaskets and seals required to remove and replace a cylinder head(s) on an engine. The contents of MAHLE Original gaskets are packaged in shrink wrapped tray, giving you the added security of knowing that you have the right parts, prior to opening the package