Spark Plugs

The original equipment ignition systems on rotaries are usually more than adequate. The greatest hindrance to their reliability and performance is usually either a lack of basic maintenance or needless ‘upgrades’ using less reliable parts. Click here for helpful information on your rotaries Ignition system. NGK’s spark plugs have been a rotary mainstay for decades. From daily drivers to full-time race cars; R-100’s to RX-8’s, NGK offers the right spark plugs for your rotary rocket. * Broad selection * Original Equipment quality * Long service life * Great value NOTE: Some spark plugs have become harder to obtain. The BR7ET plugs can be substituted with BR8EQ-14's. Also, the #7 and #9 BUR plugs for the 2nd generation cars can be substituted with the platinum variety for the 1993+ 3rd gen RX-7's.