The Edelbrock 22716 Ultra Spark Plug is engineered for both high performance and fuel efficiency. Its unique design features a Yttrium-enhanced ground electrode that provides superior conductivity and long service life.

Key Features

  • Yttrium-enhanced ground electrode
  • Optimal fuel efficiency
  • Improved throttle response

Features and Specs for Each Model

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


  • Highly conductive
  • Long-lasting
  • Good for high-performance engines


  • Expensive

Amazon Customer Review

★★★★★ “Great for high-performance engines. Definitely a game-changer.” – Mark L.


The Edelbrock 22716 Ultra Spark Plug is a high-end choice for those who demand superior engine performance. While its price may be on the higher side, its exceptional features make it a worthy investment for high-performance engines.