2004-2008 F-150 1-3" Rear Add-A-Leaf Springs Kit (BDS113219)Features Provides a 1 to 3 inch lift depending on OE leaf pack options Reduces axle wrap and creates a more controlled and stable feel Sold as a pair with new center pins and spring clamps included Compatible with 2004 2008 Ford F 150 models featuring 3 or 4 doors and 4WD drive type Designed for use with gasoline engines Aftermarket quality by BDS Suspension The 2004 2008 F 150 1 3 Rear Add A Leaf Springs Kit is designed to improve the rear suspension