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NGK Laser Iridium High Ignitability Spark Plug Box of 4 (SILMAR9A9S) for Select 2009-2020 Honda CRF450

$159.36

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NGK Laser Iridium High Ignitability Spark Plug Box of 4 (SILMAR9A9S) for Select 2009-2020 Honda CRF450

$159.36

$159.36

Fits select 2009-2020 Honda CRF450L, CRF450R, CRF450RWE, CRF450RX, and CRF450X.

NGK Laser Iridium High Ignitability spark plugs are engineered for OE-specific applications to deliver a precise balance of performance and service life. This plug features an iridium-tipped center electrode, a material six times harder than platinum, paired with a raised platinum pad or fine wire tip on the ground electrode. This configuration is specifically designed to provide consistent spark performance and even wear in high-demand distributorless ignition systems.

Construction includes a 98% pure copper core for efficient heat dissipation and a high-grade pure alumina silicate ceramic insulator for superior dielectric strength and thermal conductivity. To ensure a reliable seal and prevent combustion gas leakage, each plug is manufactured with NGK’s signature triple seals.

  • Manufacturer Part Number: SILMAR9A9S
  • Iridium-tipped center electrode for extreme durability
  • Platinum ground electrode tip for improved ignitability and wear resistance
  • 98% pure copper core aids in heat removal to prevent overheating
  • Trivalent metal plating provides superior anti-corrosion and anti-seizing properties
  • Triple gaskets prevent combustion gas leakage
  • Quantity: Box of 4
🔧 Fitment & Compatibility
Year Make Model Submodel
2019-2020 Honda CRF450L Base
2009-2020 Honda CRF450R Base
2019-2020 Honda CRF450RWE Base
2017-2020 Honda CRF450RX Base
2019-2020 Honda CRF450X Base

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