- Created to provide a sharper, leaner spark
- Tapered nickel/chrome alloy tip and copper center electrode
- Sold each
Specs Autolite Spark Plug 4123
- Thread Size: 14mm
- Type: Resistor
- Units: Each
Fitment Autolite Spark Plug 4123
- Part AU4123 fits the following machines:
- 1979 Harley-Davidson Sportster Cafe Racer - XLCR 1000
- 1979 Harley-Davidson Sportster - XLCH 1000
- 1979 Harley-Davidson Sportster - XLH 1000
- 1980 Harley-Davidson Sportster - XLH 1000
- 1981 Harley-Davidson Sportster - XLH 1000
- 1982 Harley-Davidson Sportster - XLH 1000
- 1983 Harley-Davidson Sportster - XLH 1000
- 1984 Harley-Davidson Sportster - XLH 1000
- 1985 Harley-Davidson Sportster - XLH 1000
- 1983 Harley-Davidson Sportster - XLX 1000
- 1984 Harley-Davidson Sportster - XLX 1000
- 1985 Harley-Davidson Sportster - XLX 1000
- 1983 Harley-Davidson Sportster - XR 1000
- 1984 Harley-Davidson Sportster - XR 1000
- 1985 Harley-Davidson Sportster - XR 1000
Images Autolite Spark Plug 4123
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Autolite Spark Plug 4123
Sizing Autolite Spark Plug 4123sizing
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