Description
The NGK DR8EB is a standard OE-style nickel spark plug designed for reliable, consistent performance in motorcycles and select automotive applications. Built with NGK’s proven “yellow box” technology, it features a copper core for heat control, durable nickel electrodes, and a strong ceramic insulator for dependable ignition under a wide range of conditions.
This plug is commonly used in BMW single-cylinder bikes and some high-performance applications, including select Ferrari models.
Key Features
- OEM-equivalent nickel alloy center electrode for dependable performance
-
98% copper core for excellent heat dissipation and conductivity
-
Trivalent plating for corrosion resistance and anti-seize
-
Triple gasket sealing prevents combustion gas leakage
- High-strength alumina silicate ceramic insulator
- Cold-rolled threads to prevent cylinder head damage
Specifications
General
- Part Number: DR8EB
- Stock Number: 4855
- Heat Range: 8 (cold)
- Resistor: Yes (5k Ohm)
- Pre-Gap: 0.7 mm
Shell
- Thread Size: M12 x 1.25
- Seat Type: Flat (crush washer)
- Reach: 19.0 mm
- Hex Size: 18 mm
- Terminal: Solid / Non-removable
Electrodes
- Center Electrode: Nickel (standard)
- Ground Electrode: Nickel
- Configuration: J-gap
- Projection: Non-projected
Fitment Highlights
Motorcycles / Powersports
- BMW F650 series (CS, GS, Dakar, G650 variants)
- BMW G650 X series (Xchallenge, Xcountry, Xmoto)
- Aprilia Pegaso 650 (2001–2002)
Automotive
- Ferrari Testarossa (1985–1991, H12 4.9L)
Performance Notes
-
Heat range 8 (cold plug): suited for higher-performance or hotter-running engines
- Designed for engines originally equipped with nickel plugs (not platinum/iridium)
- Solid terminal—ideal for applications requiring fixed connection (common in powersports)
- Reliable for daily riding, touring, and performance use when OEM spec calls for it
