BKR7EKCN-11 NGK Multi-ground electrode Spark Plug - 5772 - Set of 4 - Fast Tracked Shipping cooling The IRI Series plugs are

The IRI Series plugs are designed for tuned engines that require a high heat rating

Fine wire iridium tipped center electrode and fine wire platinum tipped ground electrode ensures slow wear rate providing stable idle

LZKAR6 AP11

ignition and acceleration characteristics

BCPR5EIX-11 NGK Iridium Performance Spark Plug    -     3306

BKR7EKCN-11 NGK Multi-ground electrode Spark Plug - 5772 - Set of 4 - Fast Tracked Shipping cooling The IRI Series plugs areBKR7EKCN 11 NGK Multi ground electrode Spark Plug 5772 Set of 4 Fast Tracked Shipping to your Door New Zealand wide NORMALLY AROUND $139. 96 Multi ground electrodes improve ignition capabilities and are less sensitive to increased voltage requirements due to gap growth. Designed to specific manufacturer ignition requirements in either supplementary gap, intermittent discharge, or semi surface discharge, all for various firing tip self cleaning