Sinister Diesel 03-07 Ford Powerstroke 6.0L Blue Spring Kit with Adjustable Billet Spring Housing

Patent Pending, Now available for sale in California!, CARB EO# D-721-4 Sinister Diesel Blue Spring Kit with Adjustable Billet Spring Housing for 2003-2007 Ford Powerstroke 6.0L 2003-2007 Ford F-250;F-350;Excursion 6.0L Fitment: Ford Excursion Eddie Bauer 2003 to 2005 Ford Excursion Limited 2003 to 2005 Ford Excursion XLS 2004 to 2005 Ford Excursion XLT 2003 to 2005 Ford F-250 Super Duty Harley-Davidson Edition 2004 to 2007 Ford F-250 Super Duty King Ranch 2004 to 2007 Ford F-250 Super Duty Lariat 2003 to 2007 Ford F-250 Super Duty XL 2003 to 2007 Ford F-250 Super Duty XLT 2003 to 2007 Ford F-350 Super Duty Harley-Davidson Edition 2004 to 2007 Ford F-350 Super Duty King Ranch 2003 to 2007 Ford F-350 Super Duty Lariat 2003 to 2007 Ford F-350 Super Duty XL 2003 to 2007 Ford F-350 Super Duty XLT 2003 to 2007