HKS M-Series Super Fire Racing Spark Plugs (Single) M50HL WRX 15-21 | 50003-M50HL-1 vendor_Varrix upgrading to the pillow ball

upgrading to the pillow ball drop links will enhance the car's driving performance

high-speed travel

off-roading on weekends

With its durable metal terminals

HKS M-Series Super Fire Racing Spark Plugs (Single) M50HL WRX 15-21 | 50003-M50HL-1 vendor_Varrix upgrading to the pillow ballProduct Fitment: 2015 2021 Subaru WRX 2013 2016 Scion FR S 2013 2020 Subaru BRZ 2017 2020 Toyota 86 The HKS M50HL Super Fire Racing Spark Plug is a one step colder iridium plug engineered for high performance engines under demanding conditions. Ideal for turbocharged or tuned applications, it offers enhanced ignition, reliability, and resistance to carbon buildupperfect for performance enthusiasts pushing the limits. Features: Heat range equivalent to