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Standard Nickel Spark Plug for 1973-2025 Kawasaki, Gas Gas, Cub Cadet and Other Makes [M14-1.25 Thread, Carded Pack]
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NGK SPARK PLUGSPART NUMBER: 739-BPR5ES BLYB

Standard Nickel Spark Plug for 1973-2025 Kawasaki, Gas Gas, Cub Cadet and Other Makes [M14-1.25 Thread, Carded Pack]

$499
ShippingShips on 11/16/2026
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Standard Nickel Spark Plug
  • 1973-2025 Kawasaki, Gas Gas, Cub Cadet and Other Makes
  • See Fitment Tab for All Applications
  • M14-1.25 Thread
  • 0.750 in. Reach
  • 13/16 in. Hex
  • Flat Seat
  • Heat Range 5
  • 0.036 in. Pre-Gap
  • Sold Individually

    The NGK BPR5ES BLYB Standard Nickel spark plug is a replacement plug for 1973-2025 Kawasaki, Gas Gas, Cub Cadet and other makes. It has M14-1.25 threads, a 0.750 in. reach, a 13/16 in. hex and a heat range of 5. Its nickel alloy center electrode and copper core follow the original equipment design for engines that came with nickel plugs.

    NGK BPR5ES BLYB Standard Nickel Spark Plug Features:

    • Fits 1973-2025 Kawasaki, Gas Gas, Cub Cadet and Other Makes; see Fitment tab for all applications
    • M14-1.25 metric thread with 0.750 in. reach
    • 13/16 in. hex
    • Flat seat with crush washer installed
    • Heat range 5
    • 0.036 in. factory pre-gap
    • Nickel center electrode tip with nickel ground electrode tip
    • Resistor type (5000 ohm) for ignition noise suppression
    • Removable nut terminal
    • 2.200 in. insulator height
    • Nickel alloy center electrode built to the original equipment design
    • Copper core center electrode draws heat away from the firing end
    • Alumina silicate ceramic insulator for high dielectric strength
    • Trivalent metal plating resists corrosion and thread seizing
    • Rolled threads help prevent cross-threading in the cylinder head
    • Intended for engines that originally used nickel alloy plugs, not as a replacement for factory precious metal plugs
  • Part TypeSpark Plug
    BrandNGK SPARK PLUGS
    Part CategoryReplacement Parts
    Pre-Gap Size0.036 in
    Ground Electrode Quantity1
    Washer TypeCrush
    Ground ConfigurationJ-Gap
    Center Electrode Core MaterialCopper
    Thread Type StandardMetric
    Short Style Spark PlugNo
    Washer(S) IncludedYes
    Seat TypeFlat
    Insulator Height2.200 in
    Center Electrode Tip MaterialNickel
    Center Electrode Insulator Tip Projection0.120 in
    Ground Electrode Core MaterialNickel
    Ground Electrode Tip MaterialNickel
    Resistor TypeYes
    Manufacturer Heat Range5
    Reach0.750 in
    Ground Electrode Tip DesignStandard
    Electrical Terminal TypeRemovable Nut
    Center Electrode DesignStandard
    QuantitySold Individually
    Thread SizeM14-1.25
    Center Electrode ProjectionMid Projection
    SkirtNo
    Resistance5000 ohm
    Insulator MaterialCeramic
    MetallurgyCopper
    Part FitmentDirect Fit
    Hex Size13/16 in
    Vendor Part NumberBPR5ES BLYB
    Package Qty1
    Package TypeEA
    Some parts are not legal for use in California or other states with similar laws / regulations
    p65 warning