Kenyon or Selden spar?
Ron,Do you know if you have a Kenyon or Selden spar? If Kenyon, the Kenyon spar has the complex collar arrangement for the deckhouse and the urethane collar clamps between the collar and the deckhouse. Also, the Kenyon collar will have two tabs inside the deckhouse roof with a bolt passing through the mast. The Kenyon mast (at least on my 1980 O28) is anodized in a tan finish.If it is a Kenyon, it is most likely the 4050 section (number will be cast onto the top ring of the collar).Not sure what the Selden arrangement looks like.Parts for both arrangements are found on rigrite.com.According to rigrite, the urethane collar for the Kenyon setup is no longer available, they sell a rubber wedge that fits between the collar and the mast but it is not an exact replacement. Not sure if Rudy has any NOS (New Old Stock) collars for the Kenyon mast. Great place to check as always.Best of luck, and let us know how it works out!Bobs/v Simple DreamsChicago