K7D-101350, Core made of High-Carbon AISI 52100 Chromium Alloy Steel features higher wear resistance, fatigue strength and steel hardness, Engineered with Heat-Flowed cast iron to give our wheel cylinders the ideal balance between tensile strength and hardness, Exclusive MetalliX™ Low Resin Semi-Metallic compound provides unmatched braking performance (abrasive friction, high temperature tolerance, quicker compound warming) while maintaining low dust and noise, TQ OE-matched material gives our spring kit the ideal balance between tensile and hardness and provide consistent wear, long life, and quiet operation, Premium quality MolyPro™ NLGI Grade 2 Molybdenum Grease (MoS2) to minimize wear and reduce friction providing longer lasting performance, Engineered with carbon-enhanced XCast™ (G3000) iron castings to achieve an optimal wear resistance, tensile strength and steel hardness providing unmatched braking performance, Anodized coating provides complete 360º protection against rust, moisture and oxidation, Kit Includes: 2x Rear Kugel Wheel Bearing and Hub Assembly (Both Side) + 2x Rear CMX Brake Drum (Both Side) + 2x Rear Kingstar Drum Brake Wheel Cylinder (Both Side) + 1x Rear Top Quality Drum Brake Shoe Set + 1x Rear Top Quality Drum Brake Hardware K, Kit Variations: K7D-101432 K7D-101595 K7D-101685 K7D-101821 K7D-101943