Results 1 to 5 of 5
  1. #1
    Join Date
    Apr 2008
    Location
    Virginia
    Posts
    220

    Default 310 what spark plug

    i have an esr 310 with a cool head and a race gas dome what is the best plug to run in it

  2. #2
    Join Date
    Mar 2008
    Location
    va
    Posts
    123

    Default

    ..........br9es

  3. #3

    Default

    br9eix (iriduim)

  4. #4
    Join Date
    May 2006
    Location
    kentucky
    Posts
    1,343

    Default

    br8es should work

  5. #5

    Default

    stay in the stock heat range