Model: F7RTC W20EPR RN9YC WR7DC
Service Life: 20, 000-50, 000KM
1) Multi-ribbed insulator eliminates flashover
2) 95% pure alumina insulator
3) Strong resistance to heat and shock
4) Great mechanic and electronic features
5) Superb insulation
6) Nickel plated housing prevents oxidation and corrosion
7) Heat crimping process ensures absolute air-tight fit
8) Inner sealing with conductive glass ensures a fine conductivity and sealing
9) Multi-layer gaskets have strong elasticity and reliable in sealing
10) Copper core electrode vastly improves heat dissipation and prevents dangerous, overheating of the engine.
11) Good electricity and heat conductivity
12) Long spark plug service life.