NGK Iridium Spark Plugs for Triumph Speedmaster
The addition of iridium, an ultra-hard precious metal (8 times harder than platinum) with a melting point of 2400°C on the electrodes increases the accuracy and efficiency of sparks for a better combustion and a timing of a high accuracy.
NGK reference DPR8-EIX for Triumph Speedmaster, all versions 2003-2016 (790 and 865 cc).
For Speedmaster 1200 (2018+) see here.
Order quantity = TWO !
12 month warranty.