Teledyne Continental IO-360 series aircraft engine, Superior Air Parts part number SA 630261-35, alternate 643626-10; (2) crankshaft counterweight pins.

Please review your parts manual.  They may not fit all IO-360 models.

Pins can also be used in homebuilt, experimental, airboat engines as applicable.

Advise if you need additional pictures.  This listing is for two pins as pictured.