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NGK DF8H-11B Spark Plug (1305)
Original price was: £32.16.£22.37Current price is: £22.37.
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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.
| Weight | 0.05 kg |
|---|---|
| Dimensions | 10 × 3 × 3 cm |
| Brand |
NGK-1305 Confirmed Fitment
Our team haven't provided any fitment data for this product yet, please get in touch or check back later!
Stock at Progressive Parts
Delivery timescales are given as estimates in good faith, but cannot be taken as precise or exact information. We highly advise against booking installation/workshop time or engaging in preparatory work until you've received and inspected the goods.
What do our stock statuses mean?
1+ IN STOCK in green stock is readily available in one of our warehouses for express delivery (at the time of viewing).
LOW STOCK in green means we're running low! 1 or 2 left on the shelf so act fast. Over evenings, weekends and bank holidays this stock can move quickly so please bear this in mind.
0 IN STOCK in blue means our primary warehouse does not have unallocated stock, but our UK partners do. Often these can be shipped quickly and efficiently. You'll be notified via the Track My Order page if further delays are unavoidable.
MADE TO ORDER in blue means we've partnered with a supplier which primarily makes their products to order. It's not on our shelf, but your order goes into production immediately.
0 IN STOCK in orange means everybody we work with is unfortunately out of stock. Stock is not available in the UK. The best course of action is to place an order to create an allocation from the next batch arriving.
OUT OF STOCK in red. This product is unavailable to order, for whatever reason we're unable to obtain stock or there is an issue with supply/lead times.
We're tuners too!
Our staff are car enthusiasts, we understand the need for speed... This includes getting your orders out the door as quickly and securely as possible!
In some instances, extended lead times are unavoidable. This is as labour-intensive and frustrating for us as it is for you, please know we are doing our best to facilitate your modification goals. Abuse of our staff or systems will not be tolerated.
Thank you, Team PP
In the words of the Vehicle Standards Agency (VCA), type approval provides "confirmation that production and samples of a design will meet specified performance standards".
For emissions components this encompasses noise, emissions and balanced back pressure, which have a strong influence on maintaining engine performance (power), and fuel efficiency. Type approval ensures that an aftermarket component will reach, or exceed the performance standard of the corresponding OE part.
Type-approval then, is a certain guarantee that an end user will receive a product of OE equivalent performance attributes.
Products on the Progressive Parts website that meet this approval will be clearly marked or labelled EC or ECE approved.