Product Details: Update your semi truck with improved brake performance, with the HD Value 12" 7K Hub and 8" x 6.5" Drum Assembly that ensures you're Ready for the Road Ahead™. This replacement kit combines a wheel hub and brake drum into one assembly, enhance brake alignment while also reducing installation time. Manufactured with high-quality materials to deliver long-lasting performance. FleetPride is your First Click in Heavy Duty®.