Description: Ford 429, 460 Water Pump Impeller 385 Series Engines
Year: 1968-69 
Model: All Ford/Mercury
Finish:: Bare steel
Dimensions: 5/8" bore, 4.9062" OD, 0.4219" center hub height

Jack's Comments:

This is a service stamped steel water pump impeller for the following Ford engines:
429, BOSS 429, 460 (385 Series engines)

* Ford originally used a larger cast iron impeller (not available) that was more efficient than this generic stamped steel impeller at high RPM's.