
Champion
Champion delivers dependable motorcycle spark plugs designed for clean ignition, strong combustion and long-term reliability. Their plugs help restore throttle response, improve fuel efficiency and reduce misfires across a wide range of engines. Whether you're replacing worn-out plugs or solving weak spark issues, Champion provides consistent performance you can trust. Built for smoother starts and efficient engine operation, Champion plugs remain a go-to choice for riders and technicians.
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Out of stock
Champion - 810S - Spark Plug - RA8HC - 24 Pack
Champion
$102.95Champion - 21030438 - Spark Plug - RA8HC - 24 PackFeaturesPatented SAC-9 semi-conductor resistor for maximum EMI and RFI suppressionPatented Ultraseal™ coated shell for rust preventionMade in the...$102.95 -
Champion - 38 - Spark Plug - N12YC
Champion
$4.95Champion - N12YC - Spark Plug - N12YCFeaturesPatented SAC-9 semi-conductor resistor for maximum EMI and RFI suppressionPatented Ultraseal™ coated shell for rust preventionMade in the USASpecsGround...$4.95 -
Champion - 10 - Spark Plug - J12YC
Champion
$4.95Champion - J12YC - Spark Plug - J12YCFeaturesPatented SAC-9 semi-conductor resistor for maximum EMI and RFI suppressionPatented Ultraseal™ coated shell for rust preventionMade in the USASpecsCenter...$4.95 -
Champion - 404S - Spark Plug - RN12YC - 24 Pack
Champion
$91.95Champion - 21030439 - Spark Plug - RN12YC - 24 PackFeaturesPatented SAC-9 semi-conductor resistor for maximum EMI and RFI suppressionPatented Ultraseal™ coated shell for rust preventionMade in the...$91.95 -
Champion - RL82YC - Spark Plug - RL82YC
Champion
$4.95Champion - RL82YC - Spark Plug - RL82YCFeaturesPatented SAC-9 semi-conductor resistor for maximum EMI and RFI suppressionPatented Ultraseal™ coated shell for rust preventionMade in the...$4.95 -
Champion - RA6HC - Spark Plug - RA6HC
Champion
$4.95Champion - RA6HC - Spark Plug - RA6HCFeaturesPatented SAC-9 semi-conductor resistor for maximum EMI and RFI suppressionPatented Ultraseal™ coated shell for rust preventionMade in the USASpecsRiding...$4.95 -
Champion - 21030075 - Spark Plug - RG6YC
Champion
$6.95Champion - 21030075 - Spark Plug - RG6YCFeaturesPatented SAC-9 semi-conductor resistor for maximum EMI and RFI suppressionPatented Ultraseal™ coated shell for rust preventionMade in the...$6.95 -
V-Twin - 32-8074 - Champion Copper Plus Spark Plugs
Champion
$26.08V-Twin - 32-8074 - Champion Copper Plus Spark PlugsDescriptionThese Champion copper plus spark plugs are one heat range hotter than stock replacement plugs. The Spark plug gap is .025".*NOTE: Short...$26.08 -
V-Twin - 32-8073 - Champion Copper Plus Spark Plugs
Champion
$24.19V-Twin - 32-8073 - Champion Copper Plus Spark PlugsDescriptionThese Champion copper plus spark plugs are one heat range ho tter than stock replacement plugs. The spark plug gap is .03 0". Fits:XL...$24.19 -
Out of stock
V-Twin - 32-7603 - Champion Spark Plug
Champion
$27.37V-Twin - 32-7603 - Champion Spark PlugDescription14mm Champion spark plug comes as a pack of 4. Spark plug is constructed with a corrosion resistant zinc plated shell.*NOTE: Short reach type. Fits:FL...$27.37 -
V-Twin - 32-7602 - Champion Copper Plus Spark Plugs
Champion
$25.31V-Twin - 32-7602 - Champion Copper Plus Spark PlugsDescriptionCopper plus style Champion spark plugs have a gap of .040". Fits:FL 1978-1979FX 1978-1979Additional Information UOM4 - PK ...$25.31 -
V-Twin - 32-7547 - Champion Spark Plugs Copper Plus
Champion
$28.01V-Twin - 32-7547 - Champion Spark Plugs Copper PlusDescriptionCopper plus style Champion spark plugs have a gap of .040". Fits:FLT 1999-2016XL 1999-UPFXST 1999-UPFLST 1999-UPFXD 1999-2017Additional...$28.01 -
V-Twin - 32-7546 - Champion 18mm Spark Plugs
Champion
$46.26V-Twin - 32-7546 - Champion 18mm Spark PlugsDescriptionChampion 18mm spark plugs are D-16 type.Sold as a set of 6. Fits:UL 1937-1947EL 1936-1940WL 1929-1952FL 1941-1947Additional Information UOM6 -...$46.26 -
V-Twin - 32-7545 - Champion Spark Plugs Copper Plus
Champion
$25.31V-Twin - 32-7545 - Champion Spark Plugs Copper PlusDescriptionCopper plus style Champion spark plugs have a gap of .040". Fits:XL 1979-1985Additional Information UOM4 - PK ManufacturerChampion ...$25.31 -
V-Twin - 32-7544 - Champion Spark Plugs Copper Plus
Champion
$23.75V-Twin - 32-7544 - Champion Spark Plugs Copper PlusDescriptionCopper plus style Champion spark plugs have a gap of .030". Fits:XL 1972-1978Additional Information UOM4 - PK ManufacturerChampion ...$23.75 -
V-Twin - 32-7543 - Champion Copper Plus Spark Plugs
Champion
$27.93V-Twin - 32-7543 - Champion Copper Plus Spark PlugsDescriptionCopper plus style Champion spark plugs have a gap of .025".*NOTE: Short reach type. Fits:FL 1948-1974FX 1971-1974Additional Information ...$27.93 -
Out of stock
V-Twin - 32-7540 - Champion Copper Plus Spark Plugs
Champion
$27.93V-Twin - 32-7540 - Champion Copper Plus Spark PlugsDescriptionCopper plus style spark plugs have a .040 gap. Fits:FXST 1984-1998FX 1975-1981FLT 1984-1998FXS 1975-1980FL 1975-1981FXD 1991-1994FXR...$27.93 -
V-Twin - 32-3440 - Champion Copper Plus Spark Plug Set
Champion
$98.09V-Twin - 32-3440 - Champion Copper Plus Spark Plug SetDescriptionChampion Copper Plus Spark Plug Set for use on 113 CI Evo style engines with 14mm thread size and .041" preset gap. Fits:Custom...$98.09 -
Out of stock
V-Twin - 32-0160 - Champion Spark Plug Shop Pack Copper Plus
Champion
$75.80V-Twin - 32-0160 - Champion Spark Plug Shop Pack Copper PlusDescriptionSpark plug shop pack includes 24 copper plus type spark plugs. Spark plug gap measures .040. Fits:FXST 1984-1998FX 1975-1981FLT...$75.80 -
Champion - 805 - Spark Plug - N2C
Champion
$3.95Champion - N2C - Spark Plug - N2CFeaturesPatented SAC-9 semi-conductor resistor for maximum EMI and RFI suppressionPatented Ultraseal™ coated shell for rust preventionMade in the...$3.95 -
Champion - CCH-404 - Spark Plug - RN12YC
Champion
$3.95Champion - RN12YC - Spark Plug - RN12YCFeaturesPatented SAC-9 semi-conductor resistor for maximum EMI and RFI suppressionPatented Ultraseal™ coated shell for rust preventionMade in the USASpecsGround...$3.95 -
Champion - 810 - Spark Plug - RA8HC
Champion
$4.95Champion - RA8HC - Spark Plug - RA8HCFeaturesPatented SAC-9 semi-conductor resistor for maximum EMI and RFI suppressionPatented Ultraseal™ coated shell for rust preventionMade in the USASpecsTerminal...$4.95 -
Champion - 538 - Spark Plug - RH8C
Champion
$4.95Champion - RH8C - Spark Plug - RH8CFeaturesPatented SAC-9 semi-conductor resistor for maximum EMI and RFI suppressionPatented Ultraseal™ coated shell for rust preventionMade in the USASpecsRiding...$4.95
Champion Motorcycle Spark Plugs – Reliable Ignition, Consistent Performance & Long-Lasting Engine Efficiency
Champion is one of the most recognized names in motorcycle spark plug technology, trusted for delivering reliable ignition performance under all riding conditions. Their plugs are engineered for stable combustion, reduced fouling and extended service life—key advantages for maintaining healthy engines and dependable power. Riders appreciate Champion’s consistent spark delivery, which ensures smoother operation and helps prevent issues commonly caused by worn or failing plugs.
A failing spark plug can lead to symptoms like rough idle, weak acceleration, misfires or hard starts, reducing overall riding performance. Champion spark plugs are built to address these issues by producing a clean and reliable spark that improves fuel burn and throttle response. Whether your motorcycle requires standard copper-core plugs or specialized heat ranges, Champion offers multiple options that meet the needs of modern, vintage and high-performance engines.
Champion spark plugs are widely compatible across Harley-Davidson, V-Twin models, metric cruisers, touring bikes and smaller engines. Their long-lasting construction and precision engineering make them a dependable upgrade for routine maintenance, troubleshooting ignition problems or restoring lost engine power. For riders seeking a proven solution that enhances reliability and efficiency, Champion remains a trusted and performance-driven choice.