Four Position Key Start Ignition Switch With Glow Plug Position

It mounts in a 3/4" diameter hole and Maximum dash thickness is 1/8" 

Specifications:
Electrical Contact Ratings
 Ignition/Accessory = 8 amps
 Glow Plug = 40 amps
 Starter = 75 amps make
                 20 amps break
Switch Positions                
  Pos 1 = Glow Plug Warming
    
  Pos 2 = OFF
Pos 3 = IGN/ACC
Pos 4 = Start (Momentary) 
        Spring Return to Pos 3.     
        No Lockout.