Denso IKH22 Iridium Power Spark Plug for Evo 9 WRX STi (5345)
Denso IKH22 iridium power spark plugs (5345) are a stock-replacement plug for the Evo 9 and "one-step-colder" for the Subaru STi and the 06-14 WRX. Price is for one spark plug. Please adjust quantity as needed.
Vehicle Fitment:
2006 Mitsubishi Evolution IX (Stock)
2004-2021 Subaru STi (One Step Colder)
2006-2014 Subaru WRX (One Step Colder)
Specs:
Part Number: IKH22
Stock Number: 5345
Heat Range: 22
Thread Size: 14mm
Electrode Tip Material: Iridium
Electrode Core Material: Copper
Includes:
Price is for one spark plug. Please adjust quantity as needed.
More Info:
Denso Iridium Power spark plugs feature a 0.4mm iridium center electrode and best demonstrate their performance improvement during acceleration. The world's smallest center electrode and specially shaped ground electrode deliver maximum spark energy while withstanding temperatures greater than 4000 degrees F. These features combine to achieve higher ignitability and require lower spark voltage than ever before. As a result, acceleration improves in comparison with normal plugs.
To increase ignitability, the flame kernel produced by the spark must be able to grow unobstructed. Normally, this can be accomplished by widening the spark gap. However, this causes spark voltage to increase, which has the opposite effect. Iridium Power plugs use Denso's patented U-Groove ground electrode to achieve maximum ignitability while minimizing required voltage.
These spark plugs are available for a wide range of specific applications, including cars, trucks, vans, ATVs, UTVs, scooters, street and off-road motorcycles, personal watercraft, and snowmobiles. Order the model designed for your vehicle.
Key features and benefits of Denso Iridium Power spark plugs include:
• Patented 360 degree laser-welding assembly process
• Unsurpassed center electrode durability
• Available for many performance and power sports applications
• Improved spark ignition for maximum combustion, even with lean air-fuel mixtures
Vehicle Fitment:
2006 Mitsubishi Evolution IX (Stock)
2004-2021 Subaru STi (One Step Colder)
2006-2014 Subaru WRX (One Step Colder)
Specs:
Part Number: IKH22
Stock Number: 5345
Heat Range: 22
Thread Size: 14mm
Electrode Tip Material: Iridium
Electrode Core Material: Copper
Includes:
Price is for one spark plug. Please adjust quantity as needed.
More Info:
Denso Iridium Power spark plugs feature a 0.4mm iridium center electrode and best demonstrate their performance improvement during acceleration. The world's smallest center electrode and specially shaped ground electrode deliver maximum spark energy while withstanding temperatures greater than 4000 degrees F. These features combine to achieve higher ignitability and require lower spark voltage than ever before. As a result, acceleration improves in comparison with normal plugs.
To increase ignitability, the flame kernel produced by the spark must be able to grow unobstructed. Normally, this can be accomplished by widening the spark gap. However, this causes spark voltage to increase, which has the opposite effect. Iridium Power plugs use Denso's patented U-Groove ground electrode to achieve maximum ignitability while minimizing required voltage.
These spark plugs are available for a wide range of specific applications, including cars, trucks, vans, ATVs, UTVs, scooters, street and off-road motorcycles, personal watercraft, and snowmobiles. Order the model designed for your vehicle.
Key features and benefits of Denso Iridium Power spark plugs include:
• Patented 360 degree laser-welding assembly process
• Unsurpassed center electrode durability
• Available for many performance and power sports applications
• Improved spark ignition for maximum combustion, even with lean air-fuel mixtures
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