The Champion RC12YC Spark Plug is a reliable and budget-friendly option for those who don’t want to compromise on quality. This plug is designed to meet OEM standards and provides reliable and efficient engine performance.

Key Features

  • The copper core center electrode
  • Patented SAC-9 semi-conductor resistor
  • OEM quality

Features and Specs for Each Model

  • Copper core electrode
  • Thread size: 14mm
  • Hex size: 5/8″ (16mm)


  • Affordable
  • Reliable and efficient performance
  • Good lifespan


  • Not as durable as iridium or platinum plugs

Amazon Customer Review

★★★★ “Affordable and effective. These plugs and the more expensive options work!” – Emily R.


The Champion RC12YC Spark Plug is a solid choice for those looking for an affordable yet efficient solution. It may not offer the longevity of iridium or platinum plugs, but it certainly provides reliable performance at a budget-friendly price.