Not only with .21 off road engine high performance, but also included the new head design for the engraving, milling cutting and patented thermal sensor.
Using SH air filter and R4 plug which with high quality, precision manufacturing, long-life and maxi power features.
Patented thermal sensor:
To measure the plug temperature through the head by the thermal sensor
Specifications
Power: 2.5 HP
R.P.M: 34000 rpm
Bore/Stroke: 16.27mm/16.75mm
Weight: 348g
Tag/Keyword
SH,Nitro,1:8,Buggy|Car|Truck|Truggy,Any Brand
Features
2 Needle Carb.
Not only with .21 off road engine high performance, but also included the new head design for the engraving, milling cutting and patented thermal sensor.
Using SH air filter and R4 plug which with high quality, precision manufacturing, long-life and maxi power features.
Patented thermal sensor:
To measure the plug temperature through the head by the thermal sensor
