yes they are - the bigger fenders were on anything above 1T Dually, the truck I had 850's on was a 1½T, and the 'fit' problem was just turning to lock they'd rub the frame a bit - no big deal, worked fine
"When we tug a single thing in nature, we find it attached to the rest of the world" ~ John Muir "When we tug a single thing on an old truck, we find it falls off" ~ me Some TF series details & TF heater pics
