This does have a little rust on one side.It should not hurt the performance of this caliper. The PROSTOP DOM UNLOADED CALIPERS 18-5046 are high-quality front calipers designed specifically for car and truck brake systems. Made by the trusted brand PROSTOP, these calipers are known for their durability and reliability. Perfect for maintaining or upgrading your vehicle's braking system, these calipers provide a secure fit and optimal performance on the front of your vehicle. Whether you are looking to replace worn-out calipers or enhance your braking system, these PROSTOP calipers are a trusted choice for any car or truck owner.

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