GSC Power-Division Valve Spring Seats 2002-2014 WRX / 2004-2021 STI

GSC Power-Division valvetrain Components are some of the most utilized valve train components found on some of the world's fastest vehicles that participate in a wide variety of motorsports on a worldwide scale. On this page, you are looking at the GSC Power-Division Subaru EJ Valve Spring Seats which are an OEM replacement stamped spring seat. These are compatible with the GSC Power-Division 5043 or 5743 upgraded valve spring kits, and they will also work with the stock springs as an alternative to expensive dealership components. Sold as a complete set of 16 valve spring seats.