Part Spark Plugs Brand ?PHILTOP OEM Part Number 4218?CR8EIX,0297921, 297921, 3161, 6487, 9079320122, 9079320124, 9079320150, 907932B124, 9900069835CR8, 99906910X9023, AP0297921, XS4303 Center Electrode Core Material Copper Center Electrode Tip Material Iridium Ground Electrode Core Material Iridium Ground Electrode Tip Design Taper Cut Ground Configuration Standard Ground Electrode Quantity 1 Electrical Terminal Type Removable Nut Pre-Gap Size .032 in/0.813 mm Resistance 5000 Ohms Hex size 5/8 in/15.875 mm Insulator Height 50.50 mm Manufacturer Heat Range 8 Seat Type Flat Reach .75 in/19.05 mm Thread Diameter 10.00 mm [Faster Starts] The iridium IX spark plug enhances the center electrode design, concentrating spark energy and improving vehicle ignitability. It leads to smoother engine operation and eliminates misfire concerns. [Longer Lifespan] PHILTOP automotive spark plugs feature iridium IX construction for durability and resistance to heat and corrosion. They effectively burn off carbon deposits, extending the plug's lifespan. [High Efficiency] Compared with ordinary spark plugs, the needle-like protrusion of the side electrode of the double iridium spark plug enables the spark plug to quickly ignite the mixed combustible gas in the cylinder and start the engine, which can make the vehicle start faster. [Trivalent metal coating] The spark plug offers high temperature durability and robust construction, with excellent resistance to corrosion and seizure, ensuring easy installation and disassembly. [Solid copper core] 98% pure copper core provides excellent heat dissipation, conductivity and ultra-wide thermal range. PHILTOP spark plugs made of great materials, its outstanding performance bring us back to strong power and fast starts. The plugs can reach 100000Mi service lifetime, is ideal for high performance engines. Warm Tips When installation, please use a torque wrench to tighten according to the specified torque. A recommended is ignition coil and spark plug be replaced together to avoid common dysfunctions. For more models, please match fitment to confirm! PHILTOP Spark Plugs Features Ribbed insulator design prevents misfires due to flash-overSpark plugs have excellent insulation, heat resistance, and thermal conductivityNickel-plated housing with rolled thread sprovides complete protection against snagsand corrosion0.8mm finewire design with better ignitabilityOEM standard make sure direct replacementWithstand 1200° in-cylinder Instantstart & stop Why Choose PHILTOP Precious Metal Spark Plugs? Reduce Carbon Formation The metal electrode and the appropriate ignition gap increase the charge accumulation effect, improve the ignition path, and make the fuel mixture burn more fully, thereby reducing carbon deposition Rapid Ignition Sophisticated electrode design provides more excellent and reliable ignition performance for the car, higher ignition efficiency, faster start-up of the car, and more stable and smooth acceleration Improved Fuel Economy Precious metal electrodes better increase combustion efficiency, enhance vehicle power performance better, better save fuel consumption, be economical Avoid Abnormal Shaking The acceleration is smoother, the idle speed is more stable, and the engine vibration caused by the oxidation of the spark plug is effectively solved so that there is a better driving experience
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