Top 6 Best 6r12 Spark Plug Harley Davidson

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Accel High Performance spark plugs for Harley-Davidson. Suitable for all Harley Davidson Twin Cam 14501550cc models from 1999 up. Spark plugs produce a larger spark for more power at high RPMs. Improves throttle response and fuel economy with less fouling. Accel number 2418, replaces OEM part 6R12. Sold in pairs.

See fitment guide image for additional Machines this item fits. Sold individually.. Laser Iridium spark plugs provide superior ignitability and long service life. Smallest tip diameter available Iridium surfaces ensure slow wear rate providing stable idle, superior anti-fouling, improved fuel efficiency and lower emissions.. Laser welded Iridium center electrode tip.. Platinum disc welded to backside of ground electrode provides long life.. Trivalent Metal Plating for superior anti-corrosion and anti-seizing..

SUPER POWERDouble Iridium IX Spark Plugs are designed specifically for the performance enthusiast. Iridium IX offers extreme ignitability, improved throttle response. Double iridium is the best spark plug material. MORE FUEL EFFICIENTThe flameout phenomenon rarely occurs when using double iridium spark plugs,The engine can also be kept in good running condition, resulting in lower fuel consumption. So it is really necessary to replace the good double iridium spark plugs.. LONGER LIFEThe fine Double Iridium tip ensures high durability and a consistently stable spark. Double Iridium alloy has extremely high melting point, perfect for today's high-tech, high-performance engines. Trivalent Metal Plating - Outstanding acceleration, long life ,high fuel efficiency and durability. Ultimate design, technology and performance.. COMPATIBLE MODELSDCPR7EIX 3144 Replacement racing spark plug used by many professional car drivers and fit for 2000 Dyna Super Glide1999-2016 Harley Davidson Twin CamXL Sportster 8831200 1986-present UltraSuzuki Boulevard If it has the same parameters as this product, it can be compatible. QUICK AFTER SALES SERVICEOne order 2 Pieces We provide 12 months warranty service for this spark plugs, and we attach great importance to every customer's satisfaction. If for any reason we are not meeting your expectations, please feel free to contact us and we will do our best to resolve all your concerns..

See fitment guide image for additional Machines this item fits. Sold individually.. Laser Iridium spark plugs provide superior ignitability and long service life. Smallest tip diameter available Iridium surfaces ensure slow wear rate providing stable idle, superior anti-fouling, improved fuel efficiency and lower emissions.. Laser welded Iridium center electrode tip.. Platinum disc welded to backside of ground electrode provides long life.. Trivalent Metal Plating for superior anti-corrosion and anti-seizing..

V-Twin performance spark plugs features a copper core electrode for a longer service life, nickel plated housing, 95 pure alumina insulator and a heat crimping process to ensure a leak free seal.. One heat range hotter than stock plug.. Fits FXST 1984-1998, FLST 1984-1998, FLT 1984-1998. FXR 1982-1994, FXD 1991-1998. FL 1975-1984, FX 1975-1984.

Conventional style spark plugs, available in OEM heat ranges. Plugs have a unique look with a black ceramic body. Insulator is made of 95 pure alumina, features strong resistance to heat shock and superior insulation. Sold in Pairs. Electra Glide Classic.

NGK 7090 Spark Plug - Pack of 4 7090.

Dependable and durable. Patented SAC-9 semi-conductor resistor for maximum EMI RFI suppression. Copper core center electrode allows for accurate control of heat range for longer life. TinTac and ULTRASEAL shell for best corrosion protection of any spark plug in the industry.