Brands A-Z
Champion

Champion

Champion's core product remains the spark plug. Champion Spark Plugs is a legendary brand that has been successful for over a century in spark plugs and related products. Using state-of-the-art materials and technology, the brand offers a wide range of durable products for a variety of applications, from cars and motorboats to industrial and aviation engines. Motorsport experience, innovation, and OEM supply underscore the high quality and global market position of the brand.

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Products by Champion in our web shop:

Spark Plugs #2: IOE, Flatheads and Knuckleheads
Spark Plugs #2: IOE, Flatheads and Knuckleheads
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12-002
12-002
Spark plug by Champion; fits all models 1909-1926; steel / ceramic; thread: 7/8”-18; thread length: 5/8 ”; wrench size: 15/16 ”; connection thread: M4; manufacturer-code: W14; replaces OEM HD 37-09; USA; gross weight: 120 g
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12-012
12-012
Spark plug by Champion; fits Big Twin 1948-1974, KH+XL  1954-1978, Servi-car 1956-1973; steel / ceramic; thread: M14 x 1.25; thread length: 3/8 ”; wrench size: 13/16 ”; manufacturer-code: RJ12YC; replaces OEM HD 32303-47A, 32305-48A, and 32301-60; gross weight: 60 g
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12-020
12-020
Spark plug by Champion; fits Big Twin 1948-1974, KH+XL  1954-1978; steel / ceramic; thread: M14 x 1.25; thread length: 7/16 ”; wrench size: 13/16 ”; connection thread: M4; manufacturer-code: H8C; replaces OEM HD 32307-58, 31629-78, and 32336-04; gross weight: 60 g
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12-021
12-021
Spark plug by Champion; fits Big Twin 1948-1974, KH+XL  1954-1978; steel / ceramic; thread: M14 x 1.25; thread length: 7/16 ”; wrench size: 13/16 ”; manufacturer-code: RH8C; replaces OEM HD 32307-58, 31629-78, and 32336-04; gross weight: 60 g
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12-025
12-025
Spark plug by Champion; fits Sportster 1979-1985; steel / ceramic; thread: M14 x 1.25; thread length: 1/2 ”; wrench size: 13/16 ”; connection thread: M4; manufacturer-code: RL82YC; replaces OEM HD 32301-80; gross weight: 60 g
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12-027
12-027
Spark plug by Champion; fits Shovelhead 1975→, Evo Big Twin 1984→; also for: S&S engines and cylinder heads; steel / ceramic; thread: M14 x 1.25; thread length: 3/4 ”; wrench size: 13/16 ”; manufacturer-code: RN12YC; replaces OEM HD 32312-77, 32311-83, and 32342-04; gross weight: 70 g
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12-066
12-066
Spark plug by Champion; fits Touring 2017→, Softail 2018→; steel / ceramic; thread: M10 x 1.0; thread length: 19 mm; wrench size: 16 mm; manufacturer-code: RG6HCC; replaces OEM HD 31600012; gross weight: 36 g
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12-024
12-024
Spark plug by Champion; fits Sportster 1986-2020, Touring 1999-2016, Dyna 1999→, Softail 2000-2017; steel / ceramic; thread: M12 x 1.25; thread length: 3/4 ”; wrench size: 16 mm; connection thread: M4; manufacturer-code: RA8HC; replaces OEM HD 32317-86A, and 32362-04; gross weight: 41 g
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12-099
12-099
Spark plug by Champion; fits Buell and V-Rod VRSC; steel / ceramic; thread: M12 x 1.25; thread length: 3/4 ”; wrench size: 5/8 ”; connection thread: M4; manufacturer-code: RA6HC; replaces OEM HD 27671-01K, and 32335-04; gross weight: 40 g
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