Description
High-quality NGK SB05E resistor spark plug cap (NGK #8374) provides a secure, weather-resistant connection between your ignition coil lead and 14 mm spark plug on many motorcycles, ATVs, scooters, and other small engines. It is designed to handle heat, vibration, and moisture for long, reliable service.
- 5K-ohm resistor helps reduce electrical noise and protect sensitive ignition electronics while maintaining a strong spark
- Durable phenolic-resin style body engineered to withstand high temperatures and engine vibration for extended life
- Ceramic resistor construction for consistent performance and reliable ignition under demanding riding conditions
- Fits 14 mm spark plugs equipped with a screw-on terminal nut and standard ignition wire for easy replacement during tune-ups
- Ideal upgrade or replacement for cracked, worn, or corroded spark plug caps when troubleshooting misfires or rough running
- Compact universal design suitable for a wide range of motorcycles, ATVs, and other powersports applications







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