The NGK DPR8EA9 Spark Plug delivers reliable performance and longevity for your motorcycle. Engineered with premium materials and advanced technology, this spark plug ensures efficient combustion and optimal engine operation. Description The NGK DPR8EA9 spark plug features trivalent metal plating, offering exceptional anti-corrosion and anti-seizing properties, ensuring easy installation and removal. Its pure alumina silicate ceramic insulator provides superior strength and enhanced heat transfer, preventing overheating and maintaining stable operating temperatures. Triple seals effectively prevent leakage, guaranteeing consistent performance and preventing misfires. The corrugated ribs are designed to prevent flashover, further enhancing reliability. A copper core efficiently aids in heat removal, contributing to cooler running and extended spark plug life. This resistor-type spark plug minimizes radio frequency interference, making it ideal for modern motorcycles with sensitive electronics. Features & highlights Trivalent metal plating provides superior anti-corrosion and anti-seizing. Pure alumina silicate ceramic insulator enhances strength and heat transfer. Triple seals prevent combustion leakage for consistent performance. Corrugated ribs prevent flashover, improving reliability. Copper core efficiently removes heat, extending spark plug life. Resistor type minimizes radio frequency interference. Technical specifications Brand: NGK Spark Plugs Vendor Part Number: 4929 Center Electrode Projection: Projected Center Electrode Type: Standard Electrical Resistance: 5k Ohms Electrode Tip Material: Nickel Alloy Ground Electrode Configuration: Single Ground Electrode Shape: Standard Heat Range: 8 Hex Size: 19 mm (3/4") Spark Gap: 0.9 mm Terminal Configuration: Threaded Stud Thread Reach: 19.1 mm (3/4") Thread Size: 12 mm Type: Resistor Units: Each Important to know Ensure the NGK DPR8EA9 spark plug is the correct fitment for your motorcycle. Refer to your motorcycle's service manual or consult a qualified mechanic for proper installation and gapping recommendations.