NGK SPARK PLUGS IFR8H11 5068 Laser Iridium Spark Plug — IFR8H-11 10 PACK

OVERVIEW

The NGK IFR8H11 Laser Iridium spark plug ensures rapid ignition stabilization and consistent combustion delivery for high-performance dirt bikes and sport ATVs. This precision-electrical component combines a fine-wire iridium center electrode with a platinum-tipped ground electrode to deliver extended service intervals and reliable cold-weather starting in off-road applications.

ENGINEERING & PERFORMANCE

Fine-wire electrodes concentrate the electrical arc for immediate ignition, delivering stable idle characteristics and strong anti-fouling resistance under heavy throttle loads. The pure alumina silicate ceramic insulator and integrated copper heat core efficiently manage thermal cycling, while trivalent metal plating Shields the threaded steel shell against corrosion and overtightening seize. Triple sealing mechanisms eliminate combustion gas leakage, and outer corrugated ribs break voltage paths to prevent flashover in wet or debris-heavy conditions.

KEY FEATURES

• Fine-wire iridium tipped center electrode for slow wear rates
• Platinum tipped ground electrode ensures stable idle and superior anti fouling
• Trivalent metal plating provides anti corrosion and anti seizure properties
• Corrugated ribs prevent flashover in contaminated or damp environments
• Pure alumina silicate ceramic insulator improves mechanical strength and heat transfer
• Copper core aids in rapid heat removal
• Triple seals prevent combustion gas leakage
• Improves fuel efficiency and lowers exhaust emissions
• Supplied in a ready-to-install 10 pack configuration

TECHNICAL SPECIFICATIONS

• Brand: NGK
• Part Name: IFR8H11 Laser Iridium Spark Plug (5068)
• Component Type: Spark Plug
• Material: Iridium and platinum tipped electrodes, alumina silicate ceramic insulator, copper core, trivalent plated shell
• Supported Years: 2002–2009
• Compatible Trims: Honda CRF450R, CRF450X, TRX450R Sportrax, TRX450ER, RVT1000R RC51

FITMENT

• Honda CRF450R (2002–2008)
• Honda CRF450X (2005–2009)
• Honda TRX450R Sportrax (2004–2009)
• Honda TRX450ER (2006–2009)
• Honda RVT1000R RC51 (2006)

WHY RIDERS CHOOSE THIS

Riders trust the NGK IFR8H11 because the fine-wire iridium and platinum pairing maintains precise gap tolerances far longer than standard plugs, eliminating hesitation and misfires during aggressive trail riding or track sessions. The advanced insulation system and copper heat core keep operating temperatures balanced, preserving consistent throttle response and cleaner burn quality when climbing or carrying loads. Corrugated surface geometry combined with protective metal plating ensures the plug stays free of carbon deposits and resists seizing during seasonal maintenance pull-outs. This direct replacement delivers predictable ignition reliability specifically engineered for demanding Honda dirt bikes and utility ATVs.