Brand Name: Champion
*Sub Brand: Copper Plus
*Product Type: Spark Plug
*Plug Number: RDZ4H
*Used with Equipment Type: Small Engines
*Phase: Single-phase
*Check Gap: 0.022-0.028 in.
*Packaging Type: Carded
*Number in Package: 1 pk
*Replacement spark plug for Ace numbers: 7204415 and 7204399