I have a 89 Bass Tracker Pontoon that i have just completed a complete rebuild and I contacted my local marina and they ordered the stock corners from Tracker...it has been about 8 months ago but I think they were only around $50 for all four....Good Luck
I have the same issue. the sites listed above don't have the right size. I was thinking if I need to take a hacksaw to a set to get them to fit. What are they made of? can you cut them to size?