I upgraded to 10 ply tires and have a set of four Pirelli Scorpion ATR 275/60R20 tires for sale. They have exactly 5,336 miles on them and were original factory tires. Little wear, lots tread life still on them. No odd wear patterns.
May be willing to meet and/or deliver. $300 obo. They retail for $320 each. If this post is still here, they're still available.