The Allied Precision Piston Pins PP38 1-1 .010 are precision-engineered components designed for use in car and truck engines. Made by the trusted brand Allied Precision, these piston pins are crucial for maintaining the proper fit and performance of the engine. The product shown with rust indicates that it may have been exposed to moisture or high temperatures, but it can still be used for replacement or maintenance purposes. These piston pins are a reliable option for ensuring smooth engine operation and preventing costly repairs. Box mw1104