Fits:
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Ford: 8N, 9N, 2N, NAA, Jubilee, 1801, 2000 4-cyl, 4000 4-cyl, 501, 600, 601, 700, 701, 800, 801, 900, 901
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John Deere: 1010, 2010, 320, 330, 40, 420, 430, 440, L, LA, LI, M, MC, MI
Features:
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Copper-core spark plugs for reliable ignition
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Choice of medium or hot heat range
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Set of 4 plugs
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Suitable for points/condenser ignition systems
Heat Range Guide:
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Medium: Standard operating conditions
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Hot: Cooler-running engines, low-compression, or intermittent use