January 13, 20205 yr comment_590914 Upon revisiting this solution I decided to contact McMaster-Carr, however when I did so the gal on the other end didn't have any info about the item I asked about -92805K23 a Silicone cap High Temperature Round Silicone - It looks too thin along the sides to hold very long - Maybe John will see this and reply - Hope so! Thanks! Link to comment https://www.classiczcars.com/forums/topic/48731-rubber-caps-to-block-coolant-lines-no/?&page=2#findComment-590914 Share on other sites More sharing options...
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