GSC P-D Chrome Polished Exhaust Valve 33mm Head (+1mm) WRX / STI Subaru EJ Series 2002-2021 (Set 8) Crosstrek_2018-2023 1 Hydraulic Tensioner

1 Hydraulic Tensioner

Upgrading your stock rubber bushings to urethane bushings will help reduce engine movement and wheel hop

Part #: 692 541 A

This product is built with a predetermined actuator spring suitable for at or slightly above factory boost levels

GSC P-D Chrome Polished Exhaust Valve 33mm Head (+1mm) WRX / STI Subaru EJ Series 2002-2021 (Set 8) Crosstrek_2018-2023 1 Hydraulic TensionerPart #: 2013 8 When creating our new valve line we set out to create the best performance longest lasting valves available to the aftermarket. Using advanced 3D design and simulation programs we have created a stronger and higher flowing valve head design. We flow test prototype valve heads in the specific applications to make sure we have the highest flowing valve head available on the market today. With the materials used we have less valve