
Spark Plug- 1979-1985 Sportster XL - Manufacturer Part #4123
Autolite Spark Plugs Manufacturer Part #4123 Designed for a sharper, leaner spark with tapered nickel/chrome alloy tip and copper center electrode. Sold individually. See Additional Information below for fitment.
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Spark Plug- 1979-1985 Sportster XL - Manufacturer Part #4123
Autolite Spark Plugs Manufacturer Part #4123 Designed for a sharper, leaner spark with tapered nickel/chrome alloy tip and copper center electrode. Sold individually. See Additional Information below for fitment.
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Description
Autolite Spark Plugs Manufacturer Part #4123 Designed for a sharper, leaner spark with tapered nickel/chrome alloy tip and copper center electrode. Sold individually. See Additional Information below for fitment.







