NGK DF8H-11B Spark Plug (Stock No. 1305)
The NGK DF8H-11B is a high quality spark plug for consistent ignition under demanding use. It delivers a strong, clean spark to help the engine start easily, run smoothly, and respond well. Heat range 8 suits engines that run hotter, including performance builds and hard road use.
It uses NGK’s proven copper core with a nickel alloy tip for reliable heat transfer and long life. The preset 1.1 mm gap makes setup simple. This is a non-resistor plug, aimed at applications that specify a non-resistor type.
Use the vehicle lookup tool or check the Vehicle Fitment tab to confirm it suits your engine.
- Stable spark for smoother idle and better throttle response
- Colder heat range 8 helps control combustion temps under load
| Manufacturer | NGK |
| Part Number | DF8H-11B |
| NGK Stock Number | 1305 |
| Category | 686 – Spark Plug |
| GTIN | 087295113059 |
| Plug Type | Standard copper core with nickel alloy centre electrode |
| Resistor | No |
| Heat Range | 8 (colder) |
| Factory Gap | 1.1 mm (-11 code) |
| Thread Diameter | 12 mm (NGK D-series) |
| Thread Reach | Approx. 12.7 mm (H code) |
Note: Always confirm thread size, reach, and heat range for your specific engine. Use the site’s vehicle lookup to verify fitment.
The price displayed is for a single plug, please add the desired amount to your basket.


