- New
3974 is an ADCO Ultra Tyre Gard #4 tire cover set designed for RV and trailer tires measuring 24" to 26" in diameter. The slip-on covers help protect tires and wheels from sun, UV exposure, moisture and other environmental elements during storage or extended parking. They feature a bungee-ball rear fastening system for a secure fit, reinforced grommets and overlapping seams. The set includes two single-tire covers.