
CNG/LPG Iridium/Platinum Spark Plug S-Zfr7fix with Better Acceleration. Superior Acceleration Performance: 0.5mm center electrode reduces acceleration time by 0.7 to 1 second compared to normal plugs. Extended Service Life: Designed life up to 160,000 km with best economic life of 80,000 km for Iridium/Platinum models. Advanced Laser Welding Technology: All-round laser welding with Iridium raw materials ensures melting point of 2454 Celsius degrees. Enhanced Ignitability: Platinum tip ground electrode and point-to-point patterns improve flame spread and fuel economy. Reliable Engine Starting: Powerful ignitability ensures easy starting and reduces cut-offs even in thin air or adverse environments. Comprehensive Warranty Coverage: Provides 80,000 kilometers warranty for mechanical defects and performance issues. OEM Quality Certification: Certified with TS16949 and ISO9001:2000 standards for automotive component quality. Customizable Design Options: OEM and customize design services available for potential marketing products.