Description
The Champion C59CX Racing Spark Plug is engineered for high-performance applications, making it ideal for engine builders, racers, and performance enthusiasts. Designed to withstand extreme conditions, this spark plug delivers consistent ignition performance under high temperatures and pressures commonly found in racing and high-output engines.
Champion racing plugs are trusted in professional motorsports and are built to optimize combustion efficiency, ensuring maximum engine performance. With a carefully calibrated heat range and durable construction, the C59CX helps maintain peak performance in both competitive and recreational racing environments.
Features & Benefits
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Racing-grade spark plug for high-performance applications
- Designed for extreme temperatures and pressures
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Ceramic insulator resists dielectric puncture
- Optimized heat range (59) for performance engines
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Cut-back ground electrode design improves flame propagation
- Provides exceptional combustion efficiency and strength
- Trusted in professional racing and performance builds
- Durable construction for demanding operating conditions
Technical Specifications
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Plug Type: C59CX
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Classification: Champion Racing Plugs
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Center Electrode Material: Nickel
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Ground Electrode Material: Nickel
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Ground Electrode Design: Cut Back Ground Wire
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Ground Electrode Quantity: 1
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Pre-Gap Size: 0.89 mm
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Heat Range: 59
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Thread Diameter: 14 mm (0.551 in)
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Reach: 0.75 in
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Hex Size: 15.88 mm
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Seat Type: Flat
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Washer Type: Crush (Washer Included)
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Resistor Type: No
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Electrical Terminal: Non-removable nut
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Indexed: No
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Grade Type: Standard Replacement / Racing
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Prop 65 Warning: No
Fitment
KTM
Lamborghini
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Silhouette: 1976–1977 – V8 3.0L
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Urraco: 1973–1976 – V8 2.0L / 2.5L / 3.0L
Yamaha
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YZ250: 1988–2021
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YZ250X: 2016–2021