Syncro 4&4 Discussion and Q&A last answered over 2 years ago.
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if by "flaps" you mean the doors i used the second one down in this page http://www.automobiletrim.com/door-seal-rubber.html" onclick="window.open(this.href);return false;
if you mean the ones on the body of the vindic i had to replace these seals on my one and used a boot seal from a french hatch back cant for the life of me remember which one but grab a few the next time your at the breakers,