Premium Iridium Spark Plug 5394 ZHU22 – High-Performance Ignition for Honda TRX400EX, Sportrax, XR250L & XR400R
Ultra-fine iridium center electrode ensures superior spark efficiency, reducing misfires and improving throttle response. Laser-welded construction enhances durability, resisting wear under extreme heat and vibration. Precision-engineered copper core promotes faster heat dissipation, preventing pre-ignition in high-RPM off-road conditions. Triple gasket seal prevents combustion leaks, maintaining optimal cylinder pressure. Direct-fit replacement for 1991-2007 Honda TRX400EX, Sportrax, XR250L, and XR400R models. Ideal for trail riding, motocross, and endurance racing where consistent ignition is critical. Globally sourced OEM-quality materials at wholesale pricing. Bulk order discounts available for dealerships and repair shops. Ships worldwide with guaranteed lowest pricing.