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BlueMax said:
I have not tried them (BR9EIX) but they do extend 0.040" further into the combustion chamber than a BR9ECS. The BR9ES extends further also but 0.015" less than the EIX.
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I tried them used them for 2 days went fine when I got home to take it to the dealer for the update fouled on the trailer....after the update rode in the UP 2 days fouled br9ecs again....since then i have been using br8es haven't fouled 1 yet good luck...Love the sled except for the plugs and the slidders goin after 600 miles...
 
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