wholesale japan auto iridium spark plug SC20HR11 SK20HR11 Auto iridium spark plug iridium

1. Multi-ribs of insulator eliminate flashover.

2. Insulator made of 95% pure alumina, strong resistant to heat shock, great mechanic and electric features, super insulation.

3. Nickel plated housing prevents oxidation and corrosion, heat crimping process ensures absolute gas-tight fit.

4. Inner sealing with conductivity glass ensures a fine conductivity and sealing.

5. Multi-layer gaskets are elastically strong, and reliable in sealing.

6. Copper core electrode prevents oxidation and corrosion, good electric and heat conductivity, prolongs spark plug service life

Packing Details 

Shipping Details