Quick Overview Designed to maximize performance and increase durability Ensures safe, leak-free performance Features a corrosion resistant high-temperature synthetic lubricant Improves trouble-free operation Resists abrasion Raybestos Caliper Bolt Kit is designed to maximize performance and increase durability. This bolt kit features a corrosion resistant high-temperature synthetic lubricant and improves trouble-free operation. It improves braking and ensures safe, leak-free performance.