O.S. P3 Turbo Glow Plug "Ultra Hot"

This is the P3 Glow Plug for use in the OS Max .21 VZ-V Spec and most      
        other .18 -.28 cu in (2.9 - 4.6 cc) turbo head racing engines.        
                                                                              
FEATURES: Ultra Hot Type Plug, designed for reliable low speed and more torque
           at acceleration, suitable for 20% nitro fuel                       
          Ideal for novice drivers, allows easy starts and better idling      
                                                                              
INCLUDES: One P3 turbo glow plug                                              
                                                                              
REQUIRES: Glow plug wrench, HCAP2550                                          
                                                                              
SPECS:    Overall Length: 17mm (.67")                                         
          Thread size: M8x.75mm                                               
                                                                              
COMMENTS: This glow plug is different from the conventional glow plug. It is  
           made to fit the inner head of engines with a turbo-type cylinder   
           head design