I got them from a local guy here,I heard you can buy them from summit racing,not in the book though, gotta' call 'em.
Thats the same tire I have,love 'em got over 40,000 on the last set!
later, Rob
One other thing, KAT posted a real cool set of tires the other day,not sure where,I'm sure if you look back in the posts the last couple days you'll see 'em. They're 10 ply, load range E !:--)