The suspension leveling kit improves the off-road performance of your four wheel drive truck by giving the vehicle higher ground clearance which also gives a beefy and more agressive look to your F150 Pickup Truck. The leveling kit also allows you to install larger wheel and tires. Definitely a must needed upgrade for your truck brought to you by AA Ignition without breaking the bank. This leveling kit manufactured by AA Ignition includes 2 front lift shock spacers including the 10.9 Heat treated and hardened bolts and mounting studs making it exceptionally strong but light in comparison to steel made lift kits. Black anodized surfaces for maximum resistance to corrosion. TThe leveling kit is completely safe to install and will not compress, bend or break even at maximum load. Alignment is necessary due to a little change in suspension geometry. Fits the following 4WD & 2WD models: 2004-2018 F-150 excluding Heritage models This is a compatible replacement part manufactured by AA Ignition. This leveling kit is NOT a genuine OEM part. The associated vehicle models and part numbers are used in this listing only to identify the vehicles these leveling kit fits.