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Manufactured by NGK SPARK PLUGS (7133) BPR6ES-11

  • Superior construction for serious power
  • NGK makes plugs for almost every application and riding style
  • Versatile plugs with wide operating heat ranges prevent fouling from running too cool and preignition from running too hot
  • Features high alumina ceramics for improved heat dissipation and electrical insulation, deep-seated copper core for a wider heat range and a nickel alloy tip for longer life

Below is a cross reference list of spark plugs for use in most Harley models. While the Motor Company only recommends use of their original equipment Harley brand spark plugs, the other brands often exceed original specification and will not void your warranty. NGK and Autolite, among others, have always been a preferred performance plug for Harley motorcycles. In addition, it is often more convenient to use aftermarket spark plugs aside from the enhanced performance. All spark plugs listed meet or exceed manufacturer specifications.

NOTE: Iridium plugs should only be used with electronic ignitions, not for use with point ignitions.

XR 1000: H-D Standard 6R7 / Bosch Platinum WR8DP / Champion RN7YC / Denso Iridium IW22 / NGK BPR6ES-11 (7133) / Splitfire SF6B

Spark Plug Bpr6Es-11 (75-81 Shovelhead-One Step Colder Than Stock)

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