Denso Spark Plugs
Denso Iridium Power Spark Plugs – IK20 (set of 4) Denso Iridium Power high performance range has the world’s smallest iridium alloy electrode diameter of 0.4mm. Other heat ranges available upon request. http://www.affmotorsport.com/store/denso-products.html Other Denso plugs available upon request.