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Your cart is empty.Denso Spark Plug Denso's standard plugs have always offered a patented U-groove ground electrode producing for a larger, hotter spark. Copper core for better thermal conductivity. Machine rolled threads to reduce cross-threading and seizing . The plug insulator is constructed of purified alumina powder for extreme stress with 5 ribs to prevent flashover. Technical Specifications - 14mm Thread, 19mm (3/4") Reach, 5/8" (16mm) Hex Size, Gasket Seat, Resistor, Solid Terminal, Projected Tip, U-Groove Ground Electrode, .032" (0.8mm) Gap
Wookieslayer
Reviewed in the United States on February 8, 2016
Spark plugs work great on my 2004 Volvo S80 inline six, 2.9 liter.Plugs came pre-gapped and I checked em all just because, and they were good. They are only single electrode versus the factory 3 electrode plugs but they were cheap and I've had good luck with Denso plugs before in my older Mercedes. Maybe I'll change them at an earlier service interval next time, but I don't mind because the performance seems to be good and the price is right.I'll post an update if I remember after the next few oil changes.
Diego Centeno
Reviewed in the United States on April 27, 2016
Good queality sparks
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