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NGK SPARK PLUGS Spark Plug - LKAR8A-9 4786

Part Number: 21030086
NGK SPARK PLUGS
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SKU:
21030086
UPC:
087295147863
MPN:
4786
Condition:
New
Availability:
Ships Same Business Day
Weight:
0.05 LBS
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$15.95
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Description

Spark plug performance directly impacts engine efficiency, throttle response, and overall reliability—especially under high-demand racing conditions. The NGK LKAR8A-9 delivers consistent ignition across a wide operating range, eliminating the fouling and preignition issues that can compromise your power output. Built with premium materials and precision engineering, this plug is engineered to handle both aggressive tuning and extended service intervals without degradation.

  • MPN: 4786
  • High alumina ceramic insulator
  • Improved heat dissipation
  • Deep-seated copper core
  • Wide operating heat range
  • Nickel alloy tip
  • Extended plug life
  • Fouling and preignition resistant
  • Versatile tuning applications
  • Bolt-in replacement
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Specs

CENTER ELECTRODE PROJECTION:
PROJECTED
ELECTRICAL RESISTANCE:
5K OHMS
GROUND ELECTRODE CONFIGURATION:
SINGLE
HEX SIZE METRIC:
14.3 MM
TERMINAL CONFIGURATION:
SOLID TERMINAL
CENTER ELECTRODE TYPE:
STANDARD
ELECTRODE TIP MATERIAL:
NICKEL ALLOY
MODEL:
LKAR8A-9
SPARK GAP:
0,9 MM (0.035')
SPARK GAP IMPERIAL:
0.035'
TYPE:
RESISTOR
GROUND ELECTRODE SHAPE:
STANDARD
RIDING STYLE:
OFF-ROAD
THREAD REACH METRIC:
26.5 MM
UNITS:
EACH
HEAT RANGE:
8
PRODUCT NAME:
SPARK PLUG
RIDING STYLE:
STREET
SPARK GAP METRIC:
0.9 MM
STYLE:
STANDARD
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Fitment

Fitment for NGK SPARK PLUGS Spark Plug - LKAR8A-9 4786

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