GSC (STD) Stopper Exhaust Valve Guide Set of 8 Subaru WRX 15-21 / BRZ 13-20 / FR-S 13-16 | 3105-8 vendor_SubieTrays All-Weather & Spill ResistantWaterproof design

All-Weather & Spill ResistantWaterproof design keeps dirt

Believe it or not

Experience smoother

Replacing these gaskets during maintenance will ensure an efficient

GSC (STD) Stopper Exhaust Valve Guide Set of 8 Subaru WRX 15-21 / BRZ 13-20 / FR-S 13-16 | 3105-8 vendor_SubieTrays All-Weather & Spill ResistantWaterproof designProduct Fitment: 2013 2016 Scion FR S 2013 2020 Subaru BRZ 2015 2021 Subaru WRX Upgrade your FA20 engines valvetrain reliability and precision with the GSC Power Division Stopper Style Exhaust Valve Guides. Designed for high performance and forced induction applications, these valve guides deliver superior strength and wear resistance compared to factory components. The stopper style design provides enhanced stability for the exhaust valve,