Cooper Discoverer STT Pro – LT325/65-18E 127Q

The Cooper DISCOVERER STT PRO is an extreme Mud-Terrain tire designed for harsh off-road conditions, providing exceptional traction and performance in some of the toughest terrains. From Cooper, this tire is available in the size 325/65-18, making it a great choice for those who demand durability and capability in their light trucks.

Featuring ARMOR-TEK3 carcass protection that offers 50% more impact resistance than standard tires, the DISCOVERER STT PRO also utilizes a unique 3-2 center rib design that helps reduce road noise, increase stability, and enhance traction on soft surfaces like trails and mud. This tire is compatible with vehicles such as the 2025-2026 Ram 1500 RHO, 2021-2024 Ram 1500 TRX, and the 2021 Ram 1500 TRX Launch Edition. When you’re ready to install these tires, be sure to schedule an appointment for a convenient service time.

TIRE SPECS
Tire Size: LT325/65-18E
SKU: 170124034
Width: 325
Ratio: 65
Rim: 18
Load Index: 127
Load Range: E
Speed Index: Q
Speed Rating: 99 MPH
UTQG:
Max PSI: 65
Run Flat: No
Snow Rated: No
Tire Type: mud