This listing is for two (2)Victor Reinz head gaskets for marine applications using a Chevrolet 327ci or 350ci V-8 engine. P/N (2) 5776. Gasket compressed thickness is .036". Fitment includes: MERCRUISER MARINE: MC225 MC250 MC320 MIE250 255 260 270 280 300MR/TR 350 MAGNUM OMC Marine Pleasure Craft MarineINDMAR Marine Chris Craft Marine Volvo-Penta MarineVictor Reinz