Try Steve Seal - Seals Spars and Rigging - he has al kinds of S22 parts.

Gunnel Rubber End Cap (black nylon) $ 20.00

:: I know this is a stretch, but we are searching for the
:: two retainer pieces that attach the Rubrail at both ends
:: near the transom. If that doesn't happen, does anyone
:: have suggestions for a replacement? Albacore came to us
:: with no Rubrail, and these two pieces are gone.