Dayco 15745 High Performance V-Belt Specification: Metric Part:  11A1890 Out. Circumference:  75.07 Effective Length (in):  74.50 Top Width (in):  .44 Angle: 36° Applications: Chrysler 1957 – 300 Dodge 1955 – Coronet 1955 – Custom 1955 – Truck Plymouth 1955 – Belvedere 1955 – Plaza 1955 – Savoy Pontiac 1957 – Bonneville 1955-1957 Chieftain 1957 – Super Chief