BC Brian Crower Ti Valve Springs and Retainer Kit for FA20 VA Subaru WRX Spring:Single Spring Turbine Housing Coating (+$100):

Turbine Housing Coating (+$100):

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

This turbo also comes with the FP full size 3" inlet elbow for maximum flow

• Construction – Carbon Fiber infused thermoplastic injected resin

BC Brian Crower Ti Valve Springs and Retainer Kit for FA20 VA Subaru WRX Spring:Single Spring Turbine Housing Coating (+$100):BC 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