BC Brian Crower Ti Valve Springs and Retainer Kit for FA20 VA Subaru WRX Spring:Single Spring • Construction – Carbon Fiber

• Construction – Carbon Fiber infused thermoplastic injected resin

The AMS Alpha 8 GTX3582 Gen II Turbo Kit for A90 2020 Supra GR

2018-2021 Subaru WRX

it's advisable to replace worn guides with new aftermarket ones

BC Brian Crower Ti Valve Springs and Retainer Kit for FA20 VA Subaru WRX Spring:Single Spring • Construction – Carbon FiberBC Brian Crower valve spring and titanium retainer kit for the VA WRX with the FA20 engine. Designed for high RPM, BC valve springs by PAC Racing are crafted from the highest grade, ultra clean chrome silicone alloy and undergo proprietary processing for consistent pressure. BC titanium retainers are CNC machined from 6AL4V titanium round bar to exacting tolerances. Please Note: Pictures are for reference. Vehicle Fitment: 2015 2021 Subaru WRX (VA