Eibach Pro-Kit Lowering Springs WRX Sedan & Hatchback 2009-2012 | 7721.140 vendor_Perrin That's why ARP« head studs

That's why ARP« head studs are popular among leading Sport Compact/Import racers

Subaru STi 2004-2017

1999-2005 Subaru Impreza 2

2004-2013 Subaru Forester XT

Beehive valve springs are recommended

Eibach Pro-Kit Lowering Springs WRX Sedan & Hatchback 2009-2012 | 7721.140 vendor_Perrin That's why ARP« head studsPart #: 7721. 14 The Eibach Pro Kit will greatly improve handling with a moderate drop that is perfect for a daily driven car. The reduced wheel gap will make your car look the way it should have come from the factory, and the lower center of gravity dramatically helps in the corners. The Pro Kit features a progressive spring design for the ultimate mix of comfort and performance.