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Ships within 48 hours · Estimated delivery Aug 3 - Aug 8
Run lower fuel levels for lower weight
Shift knob NOT included — add separately in preferred color and style
Year Make Model Notes 2015-2021 Subaru WRX FA20DIT — stock turbocharger
Direct heat resistance: 500°F
HKS M-Series Super Fire Racing Spark Plugs (One Step Colder) - 2023-2026 Toyota GR Corolla PDM_air-boxes Run lower fuel levels forHKS M Series Super Fire Racing Spark Plugs (One Step Colder) 2023 2026 Toyota GR Corolla Iridium Spark Plugs for Modified Engines HKS M Series Super Fire Racing spark plugs use iridium alloy center electrode technology for consistent spark delivery across the full RPM range. Iridium's hardness and melting point allow the electrode tip to be manufactured finer than nickel or platinum plugs, concentrating spark energy more effectively. For modified