- Manufacturer: Heidenau
Heidenau K66 4-Season Tire
The K66 is a 4-season tire that delivers superior grip and performance in every situation.
MS = All-Season Tires with Mud and Snow Designation
If a tire has MS, M+S, M/S or M&S on it, then it meets the Rubber Manufacturers Association (RMA) guidelines for a mud and snow tire.