Products MercuryGasket (Kit) / Seal Kit / Diaphragm /Plate Back Timing Chain Gasket set 27-42457A1 Item number: 27-42457A1 Similar numbers: MALLORY: 9-61040 Fit on: Mercruiser 175/ 185 / 205 HP V6 Inboard You May Also Be Interested In Gasket 27-42631 / 42631 Exhaust Manifold Gasket 27-99757 / 99757 Propeller Shaft 44-850308 / 850308 Piston Kit 09-711-02