Part Number: 471529
Year of Engine: 1955–1985
Outside Diameter: 12.750"
Crank Flange Bolt Pattern: 3.580"
Clutch Diameter: 9.750"; 10.750"
Starter Ring Gear Teeth: 153
Technical Notes: For internally balanced engine with 2-piece crank seal*

*Note: will not work with new Supermatic torque converters