Premium Iridium Car Spark Plugs K16R-U11 3120

Engineered with high-grade iridium alloy for exceptional durability and precise ignition performance. Laser-welded fine-wire center electrode ensures consistent spark delivery and extended service life.

Optimized heat range design prevents pre-ignition while maintaining efficient combustion. Triple gasket sealing system provides leak-proof installation for gasoline engines.

Direct replacement for OEM specifications with superior anti-corrosion nickel plating. Ideal for high-performance vehicles, daily commuters, and commercial fleets requiring reliable cold starts.

Global export quality at wholesale pricing - bulk orders available for distributors and repair shops. Factory-direct procurement eliminates middleman costs.

Exact dimensional accuracy (14mm thread, 19mm hex) guarantees proper fitment. Includes integrated resistor for radio frequency interference suppression. Backed by full technical specifications sheet.