This important feature provides a "variable natural frequency" in the spring to help counteract damaging wheelhop. This is a feature of the OE springs often overlooked by other companies simply because they don't realize it's benefits in multi-purpose applications.BMR Suspensions SP012 lowering springs are available in red powdercoat for long-lasting good looks. Installation time is about 2-3 hours. Proudly made in the U.S.A.

This Part Fits:

Year	Make	Model	Submodel
2005-2014	Ford	Mustang	Base
2012-2013	Ford	Mustang	Boss 302
2008-2009	Ford	Mustang	Bullitt
2005-2014	Ford	Mustang	GT
2007-2008	Ford	Mustang	Shelby GT
2007-2014	Ford	Mustang	Shelby GT500
2008-2009	Ford	Mustang	Shelby GT500KR