NGK Iridium Spark Plugs WRX / STI Variations:NGK One Step Colder Iridium Spark Plug STI (2004-2014) WRX (2006-2014) LGT (2005-2009) Thanks to its SUPPLY mode

Thanks to its SUPPLY mode the battery charger provides power even without a battery

Replace your ugly OEM plastic coolant overflow tank with a sleek one from PERRIN Performance for your Subaru BRZ/Scion FR-S

improved performance under heavy braking conditions and street car friendly characteristics

Lowering of approx

Recommended Adjustments for Optimal Ride-ability

NGK Iridium Spark Plugs WRX / STI Variations:NGK One Step Colder Iridium Spark Plug STI (2004-2014) WRX (2006-2014) LGT (2005-2009) Thanks to its SUPPLY modeMore Durability and a Higher Melting Point compared to Platinum, better center electrode anti oxidation and anti erosion, improved ignition, superior anti fouling, lower required voltage, new metal shell plating process for better anti corrosion. One Step Colder plugs are reccomended for cars with heavy modifications. These NGK plugs will get your Turbo Subaru running smoother and free up some power through increased efficiency and increased heat