Premium Iridium Spark Plugs for Peak Engine Performance

Ultra-fine 0.6mm iridium center electrode ensures faster ignition, improved fuel efficiency, and reduced emissions. Laser-welded construction prevents corrosion and extends lifespan up to 60% longer than standard plugs.

Precision-engineered tapered ground electrode design enhances flame propagation for smoother acceleration. Triple gasket sealing system guarantees airtight combustion chamber integrity under extreme temperatures.

Direct-fit replacement for OEM part numbers 22401-85E15, 94858, 6376, 155CX, 855CX, and PLFR5A-11. Compatible with modern fuel-injected engines requiring LZFR6AI, ILZFR5B, or LZFR5F specifications.

Ideal for high-performance vehicles, turbocharged engines, and stop-start city driving conditions. Trusted by professional mechanics for consistent cold starts and optimal spark energy delivery.

Global wholesale pricing with bulk order discounts available. Factory-direct quality with ISO 9001 certified manufacturing. Ships worldwide with guaranteed lowest price matching.