wheels and tire?

You probably can bump the actual side of that tire on the same wheel and gain mostof what your after. Think about it this way, the 80s look your wanting to get away from is still standard size for every other trailer brand and bass boat out there. You move the tire up and watch the width and diameter. The on line manufacturers websites have sizing charts to assist you and gather information to see if you have room for a tire based on measuring what you have in clearances.

NCStatefan wrote: I was in the same situation you are in a few months ago having the same wheels you do and decided to go with a 17×8 rim with a -6 offset. The 2005 and older Bass Cat trailers have narrower fenders than the new ones so I would not go any wider than 8 inches. I wanted 18s but couldnt find any that would fit that were less than $200 a piece. I kept the same overall diameter as the original 215/70/15s by going with 225/55/17. Make sure you check the exact tire that you want to buy because not every manufacturer has the same diameter for the same stated size. If anything go down in diameter as the factory size can occasionally rub the fenders when you hit large bumps I ended up only paying about 300 dollars more to get new rims and tires than just replacing my old tires because the 17s were alot cheaper than the white letter 15s. If you buy from discounttiredirect.com they will ship for free and give you free mounting and balancing. Good luck in finding some that you like. I like that bow double roller system you have up front. How do you like it compared to the standard, much improvement? BTW awsome motor! Your boat is just plain sick!