Description:

Thread:14mm, Hex:19mm, Reach:9.5mm

 All our spark plugs are subjected to rigorous testing:
1.High-pressure leakage current test.
2.Gas leakage test.
3.Spark over test.
4.Long duration test
5.Cosmetic inspect.

 If you have any questions,  please feel free to contact me.

 Grace

MSN:bsdljx01@hotmail.com

Mobile:0086-18663407200