NGK Copper Spark Plugs One Step Colder 3923, Box of 4 - 2003-2006 Mitsubishi Evo 8/9 Subaru-STI-2018NGK Copper Spark Plugs One Step Colder 3923 Mitsubishi Evo 89 2003 2006 NGK Copper Spark plugs are a great OEM replacement spark plug. They are inexpensive and can be very useful when breaking in new motors. The Standard Spark Plugs have a triple Gasket Sealing Process, and is used in Millions of Vehicles worldwide. These are also ideal for when plugs need to be changed often on cars, or cars that need to get the most out of the stock ignition system.
Immediate Street Feel Improvement
Loosens and dissolves dirt and grime
Independent muffler per exit
Positive molded for even wear characteristics
unlike other drop-in turbocharger upgrades on the market
Diode Dynamics designed this kit to be one of the best bolt-on low-profile options available in the market with functionality in mind
you are looking at the Tomei 1
or to set the alignment to a more performance-oriented position
The thin disc design provides faster engagement response than a standard-thickness cerametallic while retaining the material's heat resistance and holding capacity advantages over organic discs
Polyurethane rear subframe mount kit for GR/GV WRX and STI
Concave spokes with a nice lip
they will work with most tuner wheels