This kit is designed to offer the vast majority of parts required to convert the 1/72 scale Mobius Skipjack plastic model kit to full RC control. 

Included: 
 
Pump based watertight cylinder system module comes complete with the
Pump,
Servos
540 type drive motor
All you need to add is a minimum 4 channel RC radio and two speed controllers, one controlling the drive motor the other the pump.
The kit also includes  
Tiller arms (cast in brass),
Stainless steel prop shaft
Control rods with qd clips
Tapered brass insert so that the propeller supplied with the kit can be utilised.
Waterproof on / off switch.
 CNC cut bulkheads required to install the kit.
 CNC cut grills to secure over the moulded grill positions depicted on the model.