More Balanced, more comfortable More Balanced, more comfortable. Fit for 2009-2014 FORD -F150 4WD, 2WD Load-leveling capacity Up to 5,000 pounds Installation Position Rear Minimum Pressure 5 Psi Maximum Pressure 100 Psi Drill Required? No Lowered Vehicles? May need a spacer How can I contact RETRUE if I have any questions or concerns? You can click the "Retrue Direct" on product page, then click the "Ask a questions" buttom and you can reach to us. This item is not fit with my vehicle, are there any other options? Yes. You can click "Visit the RETRUE Store" on the top of this page and you will find more models in AIR SUSPENSION KITS area. Related Products RAS2525 Buying Options RAS2582 Add to Cart RAS2625 Buying Options RAS2550 Buying Options Air Bags Compressor Kit Add to Cart Air Fitting Union Tee Add to Cart Replacement Air Spring Add to Cart Customer Reviews 5.0 out of 5 stars 1 4.4 out of 5 stars 189 — 4.6 out of 5 stars 4 4.3 out of 5 stars 11 5.0 out of 5 stars 2 3.6 out of 5 stars 3 Price — $189.99$189.99 — — $139.99$139.99 $5.89$5.89 $58.99$58.99 Brand RETRUE RETRUE RETRUE RETRUE RETRUE RETRUE RETRUE Applicable Models F150 F150 F250 /350/450 F250 /350 Universal 1/4" union tee Refer to detailed page Years 2009-2014 2015-2025 2017-2023 1999-2008 / / / Anti Unbalanced Loads ✔ ✔ ✔ ✔ ✘ ✘ ✔ Security ensured ✔ ✔ ✔ ✔ ✔ ✘ ✔ Assemble need ✔ ✔ ✔ ✔ ✔ ✘ ✔