March 6, 201115 yr hi today i took out my spark plug to see if it was alrite and wasent fauling but i noticed it was a bp7es (ngk) spark plug and the manual recomends me to use b6es optinal is a b5es or b7es im am just wondering what the P stands for or is it just a change in the part number over time. thanks sam
March 6, 201115 yr Projected centre electrode insulator http://www.spark-plugs.co.uk/pages/technical/ngkjpg.htm Edited March 6, 201115 yr by Neale
March 6, 201115 yr Author Projected centre electrode insulator http://www.spark-plugs.co.uk/pages/technical/ngkjpg.htm cheers i did have look at that site i must be going blind
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