GSC P-D Polished Exhaust Valve - 29mm Head (STD) - (SET 8) 2013 Scion FR-S / Subaru BRZ Perrin The disc is designed for

The disc is designed for the special needs of a vehicle with circuit racing in mind

Part #: TIC-1001-01-0002

engagement can be aggressive and may produce clutch chatter during low-speed operation such as first gear or reverse

3" Aluminum MAF Housing (Stock MAF option only)

reducing the amount of flex in the transmission support

GSC P-D Polished Exhaust Valve - 29mm Head (STD) - (SET 8) 2013 Scion FR-S / Subaru BRZ Perrin The disc is designed forPart #: 2121 8 GSC Power Division Super Alloy Exhaust Valves for FA20 FRS BRZ For those running high horsepower, high EGT set ups that need a valve that will last in 2000F conditions. The Super Alloy Exhaust valves have Chrome polished stems to create a smooth, durable finish for added life and better lubricity especially when paired with the GSC Manganese bronze valve guides. Strength, heat resistance and performance are engineered into every valve.