Bosch Denso OEM Super F7tc Car Spark Plug

QUICK INFORMATION: 
1. Used for gasoline engines with good performance and high quality
2.10pieces/box, 400pieces/CTN

SPARK PLUG HAVE THE FOLLOWING FEATURES: 
1) Multi-ribbed insulator eliminates flashover. 
2) 95% pure alumina insulator, Great mechanic and electronic features, superb insulation. 
3) Nickel plated housing prevents oxidation and corrosion, Heat crimping process ensures absolute air-tight fit. 
4) Inner sealing with conductive glass ensures a fine conductivity and sealing. 
5) Multi-layer gaskets have strong elasticity and reliable in sealing. 
6) Copper core electrode vastly improves heat dissipation and prevents dangerous, overheating of the engine. 
7) Good electricity and heat conductivity, Long spark plug service life.