Forgive me this may sound like stupid question and may be posted wrong but here goes.I have an18hp max 4 with22"rawhides 8"rims and would like to put the26" super terra grips on that i have read so many positive reviews about.I live creekside(water between 2 and6 feet deep with steep,often muddy banks)Question is where do you buy them,?have googled it and found nothing except links to maxdealers accessoriy pages anyone know or are these 6x6 only tires
and will i need to change rims as well???