Quick Overview Raybestos Caliper Piston is designed to maximize performance and increase durability This self-adjusting caliper piston features a corrosion resistant high-temperature synthetic lubricant and improves trouble-free operation It improves braking and ensures safe, leak-free performance Designed to maximize performance and increase durability Raybestos is world-renowned in the automotive aftermarket as a leading manufacturer of brake parts. Products includes friction, rotors, drums, calipers, hub assemblies and hydraulics, matches or exceeds OE form, fit and function. Each product is extensively tested to ensure you are receiving a high-quality and reliable product.