HKS Super Fire Iridium Spark Plug
HKS Super Fire Racing Iridium Spark-plugs are designed to offer outstanding performance on both stock and tuned engines.
HKS have engineered these spark plugs with outstanding designed to stand up to the demands of highly tuned engines.
HKS Super Fire Racing Spark Plugs use a 0.6mm Iridium Alloy Center Electrode. This is standard on performance spark plugs. It improves durability and ignition performance and requires a lower voltage to make a spark.
The outer electrode features a platinum chip which boosts ignition performance whilst improving durability. It's also been designed to be short for improved resistance against vibration.
The plugs outer casing is designed to resist carbon build-up to help prevent misfires.
The reduced voltage requirements of the plug help ensure the ignition performance even under high boost pressure.
For rotary applications, HKS use a different design of plug with an electrode design engineered specifically for the unique requirements of these engines.
Please note :-
The same spark plug can be used in 3, 4, 5, 6, and 8 cylinder engines. For this reason spark plugs are priced individually.
| Brand | HKS |
| MPN | 50003-M45-I |
UK Mainland Delivery Prices
| Delivery Type | Cost | Estimated Delivery Time |
| Standard Delivery | from £1.33 | 2-3 working days from day of despatch(Excludes weekends and Bank Holidays) |
| Express Delivery | from £1.68 | 1-2 working days from day of despatch(Excludes weekends and Bank Holidays) |
| Special Delivery | from £12.54 | For any next working day delivery order before 4.30pm Monday to Thursday. For any weekend delivery order before 4.30pm Friday |
| Click & Collect | from £7.62 | Collect your parcel from a local post office. 2-3 working days from day of despatch(Excludes weekends and Bank Holidays) |
For international shipping please visit our delivery page.
For information about returning an item please visit our returns page.
