ebay 卖低于10刀。不过值了，看看下面的说明：

来源: 于 2012-09-12 14:46:31 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

  • 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

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    快成纯白金的了：）只要不烧机油，大概以后再不用换了。