The DEXTER 7K heavy duty hub and drum kit 8 x 6.5" 9/16" stud grease is constructed for high-capacity use in tough conditions. Its enclosed design provides protection for the drum and hub from contaminants. Made with high-grade materials, this kit minimizes wear. The construction of this kit offers improved heat dissipation, reducing the risk of brake fade. Engineered to OE specifications, ensuring reliable fit and performance in its intended application.