Nitto Terra Grapplers..

[88GMCtruck]

I bet that is it. Heavier truck wear stuff faster. When they were on my 88 and now on the 02, both trucks really aren't over 5k.

 

[jonnyukon]

i have 305 55 20's an have about 25,000 on mine an i swear i barely have any wear at all... great tires imo... ill buy another set if these ever wear out..lol and mine r the 10 ply's

 

[Kable]

I was going to powder coat the wheels but i like that dull look they have, the truck is black. Not really into chrome anymore. Everyone has chrome