Cusco Type 1 Front Lower Arm Bar Subaru WRX / STI 2002-2007 Outback_2005-2009 Ductile iron plasma top rings

Ductile iron plasma top rings

Designed for quiet operation and comfort

ARP head studs are a must for performance engines seeing increased boost

an crank up the boost for up to 25 more horsepower and full boost 1200-1700rpms sooner

Made from 75a durometer polyurethane

Cusco Type 1 Front Lower Arm Bar Subaru WRX / STI 2002-2007 Outback_2005-2009 Ductile iron plasma top ringsPart #: 666 475 A Cusco offers two versions of their front lower arm brace. They are constructed of high tension lightweight aluminum. The simple Type 1 brace bolts to the lower arm in 2 places and improves chassis rigidity dramatically. This is perfect for a street car that just needs an improvement over stock, but will not be overly stiff. The Type 2 connects in multiple places on the lower arm and is designed for maximum rigidity. This is great for