are there any foams that will fit these tires?

[blueb8llz]

so i found two more other company's but i havent heard much about them. first one is the racers edge 40's foams:
http://www.xtownrc.com/catalog/produ...ducts_id/14563
im afraid these might still be too small.

and then theres the panther foams which ive read good reviews. but it looks like it will only fit the bow ties 40 series which is smaller than my losi super bolt-on tires.
http://cgi.ebay.com/Panther-Monster-...lenotsupported

any opinions or comments...i need some help. from the looks of things, i may have to just use the stock foams that come with it. dayam