Description
Product Summary
Name: Spark Plug – BPR‑UR5 – for BP4000, BP4500 & BP6500‑OP, BP8000‑OP, BP6500SP
Type: Premium NGK V‑Power UR5 (NGK #2771) spark plug, “large” reach version
Brief Description
The NGK UR5 spark plug is a high-output, resistor-type plug with a large reach suited to heavy-duty big-block engines, including industrial and generator engines. Its V‑cut ground electrode boosts ignitability, while the copper core ensures strong heat control and long life—essential for stable operation and efficient combustion at load.
Key Specifications
| Feature | Specification |
|---|---|
| Model: | NGK V‑Power UR5 (Part #2771) |
| Thread Size: | 14 mm thread, 14 mm reach (0.460″ / 11.68 mm) |
| Hex Size: | 16 mm |
| Resistor: | 5 kΩ |
| Heat Range: | 5 (mid‑range hot/cold balance) |
| Construction: | Solid copper‑core electrode with V‑cut ground for improved ignitability |
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