The 223-305 Timing Sprocket with 42 teeth is a vintage part made by Sealed Power in the United States. It is designed for use in Buick, Oldsmobile, and Pontiac vehicles from the years 1959 to 1979. Made of durable cast iron, this sprocket is a crucial component for ensuring proper engine timing for 195, 326, 350, 389, 400, 421, 428 or 455 engines in classic cars. With its reliable brand reputation and precise manufacturer part number, this timing sprocket is a quality replacement part for vintage vehicle restoration.