2x T6 Billet Aluminum Ball Joint Spacers2x?High-Strength Steel Lift Blocks4x?Premium Electrostatic Powder Coated U-BoltsHigh-Strength Installation HardwareInstallation InstructionsOur PRO-Billet Spacer Kits are constructed from T6 aircraft-grade aluminum for its excellent strength-to-weight ratio and resistance to corrosion. Tempered to a yield strength of no less than 35,000 psi and finished with an Anodized Coating, this premium lift material will never compress or warp under even the most excessive loads or extreme riding conditions. We complete this kit with NEW US Patent Pending 3-Bend Single Weld Rear Lift Blocks precision machined from ONE 1/4" thick plate of Steel, 3 times bend and welded using heavy-duty GMAW seam and fillet welding processes to ensure maximum strength and a lifetime of dependability under even the most extreme riding conditions.NOTES: *Must have rear spring over axle setup in order to use lift blocks*The IFS Pickup was manufactured using 2 different types of rear axles. A 7" or an 8" axle. Lifting the rear end will require different U-Bolts and Blocks depending on the axle type. Direct buy from this listing ships by default the correct parts for the 7" axle which is more common. In case your truck has the 8" axle, message us to guide you through the purchase for correct parts.*Fits 2WD models only. *An alignment is always recommended after altering the height of your vehicle.