1.Flexible and easy to use.Perfect match with the car 2. and nice qulity, to use. 3.Built to quality control standards.Not easy to damage, long service life 4.Stable performance, high reliability.a perfect replacement for your old 5.Made of high quality material, for use. Type Name:Car Front Air Helper Spring Kit Condition:100% Fitment Type: Direct Replacement Install Placement on Vehicle: Front Part Number: SSF-111-54 SSF11154 Fitment: Compatible with the following vehicles: For 2009-2010 Super Duty Cabela's 2008-2009 Super Duty FX4 2005-2010 Super Duty Edition 2018-2020 Super Duty Limited 2013-2020 Super Duty 2011-2012 Super Duty 2021 Super Duty (submodel: Ranch, Lariat, Limited, , XL, ) 2005-2010, 2013-2020 Super Duty (submodel: Ranch, Lariat, XL, ) 2021 Super Duty (submodel: Ranch, Lariat, Limited, , XL, ) 2018-2020 Super Duty (submodel: Limited, ) 2005-2010, 2018-2020 Super Duty (submodel: Ranch, Lariat, XL, ) 2005-2010 Super Duty Edition 2008-2009 Super Duty FX4 2009-2010 Super Duty Cabela's 2011-2017 Super Duty 2018, 2020-2021 F-450 Super Duty 2019, 2021 F-550 Super Duty Color: Yellow Material: Metal + PU Package Contents: 2Pcs x Front Air Helper Spring Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.