Has the highest Platinum content in the industry, creating an extremely long life spark plug
Stainless steel washer reduces plug self-backing
Has Laser welded Platinum tip on center electrode and Platinum tip on the ground electrode
Reduces the voltage needed to start combustion, resulting in better throttle response, improved efficiency, and smoother idle
Offers a Laser welded projected Platinum tip on center electrode and the ground electrode
Special design firing end construction
快成纯白金的了：）只要不烧机油，大概以后再不用换了。