Maddog13407 Posted January 25, 2021 Share Posted January 25, 2021 on this taboo topic again. workin on a 711, new heads and top end. anyone have a part number for the valve seals on the intakes? one i pulled apart for the heads had NO intake seals, other motor with a good bottom end has 5 out of 6 seals and the last had an O ring someone put on. didnt Mack use to sell a kit with the metal shrouds and washers with the seals with them???? 1 Quote Link to comment Share on other sites More sharing options...
theakerstwo Posted January 25, 2021 Share Posted January 25, 2021 All i remember from mack was a o.ring under the little hat.The seals could be found thru after market parts. Quote glenn akers Link to comment Share on other sites More sharing options...
Rob Posted January 25, 2021 Share Posted January 25, 2021 When I had the heads off my turbocharged 711 engine I had the machine shop install new seals and I think they came from Perfect Circle; but it's been quite some time since and I could be incorrect. Quote Plodding along with no job nor practical application for my existence, but still trying to fix what's broke. Link to comment Share on other sites More sharing options...
theakerstwo Posted January 26, 2021 Share Posted January 26, 2021 855 cummins did not use a seal on the valves untill the N14. Quote glenn akers Link to comment Share on other sites More sharing options...
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