Sources

EV Miata
design, instructions, battery racks, mounts.

EV America
Clutchless Motor-Transmission Adapter, Motor, Controller

HPEV AC-50 Motor (purchased from EV America)

Curtis 1238 Controller (purchased from EV America)

CALB 180 ah batteries (purchased from EV Source)

EV Source
DC/DC Converter, cables, fuse box, Elcon charger, other assorted goodies.

Battery Management System (purchased from EV Source)
Keeps cells equalized for life and performance, provides "fuel gauge" function