E-bay distributor

THIS the one you're talking about ? would also like to know mods that have to be done to install
http://cgi.ebay.com/ebaymotors/Chrysler-Mopar-HEI-Distributor-318-340-360-50-000-Volt-/120765698702?pt=Motors_Car_Truck_Parts_Accessories&hash=item1c1e32528e

or here
http://cgi.ebay.com/ebaymotors/Mopar-Plymouth-Ready-Run-Distributor-318-340-360-/250876833284?pt=Motors_Car_Truck_Parts_Accessories&hash=item3a696cae04