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NGK BPR5ES-11 spark plugs; EVO big twin:

NGK BPR5ES-11 spark plugs; EVO big twin:

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NGK BPR5ES-11 spark plugs:


  • Harley-Davidson '84-'99 EVO big twin engine
  • S&S cycle 80", 96", 100", 107"


  • Superior construction for serious power
  • 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