Cooper Discoverer STT Pro – LT305/70-18E 126K

Cooper DISCOVERER STT PRO is an extreme Mud-Terrain tire designed for some of the harshest off-road conditions. From Cooper, this tire is available in size 305/70-18. It offers exceptional traction and performance with features like ARMOR-TEK3 carcass protection that provides 50% more resistance against impact damage than standard 2-ply tires. The distinctive 3-2 center rib design helps reduce road noise and improve handling, while the aggressive tread pattern enhances grip in mud and soft surfaces.

This tire fits a variety of vehicles including the 2023-2026 GMC Hummer EV Pickup 3X, 2024-2026 Chevrolet Silverado 2500 HD ZR2, and 2024-2026 GMC Hummer EV SUV 2X and 3X. When you’re ready to upgrade to the Cooper DISCOVERER STT PRO, you can schedule an appointment for convenient installation.

TIRE SPECS
Tire Size: LT305/70-18E
SKU: 170156034
Width: 305
Ratio: 70
Rim: 18
Load Index: 126
Load Range: E
Speed Index: K
Speed Rating: 68 MPH
Max PSI: 65
Run Flat: No
Snow Rated: No
Tire Type: mud