Re: 7.5hp OMC base gasket question Home › Forum › Ask A Member › 7.5hp OMC base gasket question › Re: 7.5hp OMC base gasket question crosbymanCanada Member - 2 YearsReplies: 3587Topics: 326 June 28, 2018 at 12:38 am #78584 this should work https://www.vintageoutboard.com/collect … de-1956-58 Joining AOMCI has priviledges 🙂