Guaranteed Quality Laser Iridium Platinum OEM Standard Spark Plugs 9723 Silzkr7b11

Guaranteed Quality Laser Iridium Platinum OEM Standard Spark Plugs 9723 Silzkr7b11. Iridium Platinum Center Electrode: Delivers maximum service life and strong ignition performance. 4X Longer Service Life: Lasts up to 60,000 miles, significantly longer than standard copper plugs. 95% Pure Alumina Insulator: Highly resistant to heat shock with excellent mechanical and electric features. Nickel-Plated Housing: Prevents oxidation and corrosion with a heat-crimped gas-tight fit. OEM Standard Size: Ensures original size installation and easy fitment for automotive use. Multi-Rib Insulator Design: Eliminates flashover for reliable electrical performance. Strict Quality Testing: Multi-pass factory ignition test ensures every product is qualified. ISO9001 Certified: Manufactured under strict quality management standards.