Autolite Power Sport Spark Plug, 4164DP is designed for Select Harley-Davidson, Honda and Yamaha Motorcycles and ATVs. Autolite Copper Small Engine Spark Plugs are engineered for long life and cover lawn mowers, motorcycles and other recreational vehicles. Small engines work under dirty, demanding conditions. Autolite is the leading supplier of spark plugs; offering the best alternative to OE spark plugs. Autolite small engine spark plugs feature a nickel alloy center and side electrode, nickel-plated rolled threads and a steel shell. If you take care of your engine once a year, it will take care of you all year long. The Autolite Power Sport Spark Plug, 4164DP replaces the following spark plugs: Champion (RA8HC): NGK (D6EA, DCPR6E, DPR6EA-9, D7EA, DCPR7E, DCPR7EVX, DPR7EA-9) Check your owner's manual for the spark plug to replace. Fits select motorcycles: Harley-Davidson, Honda, Yamaha, Kawasaki, Suzuki, Victory, BMW, Triumph. Fits select ATVs and snowmobiles: Yamaha, Honda, Suzuki, Kymco CFMoto, Arctic Cat. Fits select outboard motors: Mercury Marine, Mariner, Yamaha, Nissan, Suzuki, Johnson, Evinrude Copper-glass seal bonds insulator, terminal post center electrode together; assures full required voltage at spark gap; gas-tight seal (100% leak proof). Multi-rib insulator reduces danger of "flash-over". One-piece terminal post adds strength to spark plug. Resistor reduces radio frequency interference (RFI) and electrode erosion. Cold-formed steel shell precision rolled threads Full copper core electrode provides better performance in all conditions Autolite highly recommends that you consult with your equipment's repair manual for specific instructions for changing the spark plug.
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