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NGK BMR7A spark plug

NGK BMR7A spark plug
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Item #: BMR7a

NGK BMR7A spark plug, good to replace the China made "torch L7RTC"
 
Spec:
 
tread size: 14mm
Hex size: 19mm
Air seal type: gasket
built-in resistor: yes
 
Can work with the following engine:
 
CRRC Gf45i (early version only with black ignition)
MT 57
MT42
SPE40/43
 
please check you old spark plug part no to match