Suitable for 1.8t to power range of up to 390bhp-550bhp approx.
Pregapped to 0.75mm
NGK Iridium IX Spark Plugs offer the best mix of high-performance, fuel efficiency, durability, and dependability. Featuring an iridium construction, these high-quality spark plugs provide a longer lifespan than copper and platinum spark plugs. Their ultra-fine electrode wire promises superior fuel efficiency as well as silky-smooth engine idle and response. You can also expect a healthy boost in power and torque, thanks to the optimal air-fuel mixture that these iridium spark plugs generate. They also receive top marks for durability, with such impressive features as metal plating to resist corrosion and seizing, as well as a long insulator nose to prevent fouling.
|Spanner Size ||16 mm |
|Outer thread [mm] ||14,0 |
|Thread Length [mm] ||19,0 |
|Spark Plug ||Fixed SAE connector |
|Spark Position [mm] ||3,0 |
|Spark Plug ||Iridium Middle Electrode |
|Spark Plug ||1 - Earthed Electrode |
|Spark Plug ||interference Suppression 5 kOhm |
|Spark Plug ||with gasket seat |
Designed specifically for the performance enthusiast Iridium IX offers extreme ignitability, improved throttle response and superior anti fouling.
NGK is the brand leader in the UK spark plug market and are the world's biggest supplier to many major car manufacturers. Each and every one of their products are designed to meet the most rigorous standards and are the professionals' choice because of their quality and technical excellence. Their plugs can be found in use by teams in F1, WRC and MotoGP. Put simply, NGK genuine spark plugs are the workhorse at the heart of smooth-running engines around the world.
The NGK Iridium IX Spark Plugs utilise a 0.6mm laser welded fine iridium tip which ensures high durability and a consistently stable spark along with a tapered ground electrode which minimizes electrical quenching effect. The longer insulator nose prevents fouling, the corrugated ribs on the insulator prevent flashover and a triple gasket seal eliminates combustion gas leakage.
Price is for a set of 4