The NGK Spark Plugs Iridium IX CR8EIB-10 spark plug is designed to deliver dependable ignition performance for compatible motorcycle, powersports, and small-engine applications. Manufactured by NGK Spark Plugs, this iridium spark plug uses a fine-wire center electrode to promote reliable spark formation while reducing the voltage required from the ignition system. The result is efficient combustion, consistent starting, and dependable operation across a wide range of riding and operating conditions.
The iridium electrode is approximately 25% smaller than a platinum electrode and about one-quarter the size of a conventional nickel electrode. This ultra-small diameter helps focus the spark and may reduce strain on ignition components, supporting longer ignition-system service life. The CR8EIB-10 design is intended as a direct replacement for applications that specify this plug configuration and heat range. Always verify the vehicle manufacturer’s application guide, thread specification, reach, heat range, and gap requirements before installation.
A newly engineered metal shell plating provides enhanced resistance to corrosion, helping protect the plug in demanding environments and simplify future removal. The NGK Spark Plugs Iridium IX CR8EIB-10 is supplied under manufacturer part number 4948 and vendor part number 4948. It is a practical replacement choice for restoring proper ignition performance and maintaining the fit and function specified by the original equipment application.
Features:
- Brand: NGK Spark Plugs
- Product line: Iridium IX
- Model: CR8EIB-10
- Manufacturer part number: 4948
- Vendor part number: 4948
- Electrode material: Iridium
- Fine-wire center electrode: Requires less voltage and supports reliable ignition
- Ignition-system support: Reduced voltage demand may help extend ignition component life
- Shell plating: Enhanced anti-corrosion protection
- Fitment: Compatible with applications specifying the NGK CR8EIB-10 spark plug; verify vehicle-specific requirements before installation