Please be aware these wheels are NOT made to FVMSS standards for highway use; they have been manufactured for the purpose of OFF-ROAD USE ONLY and not for use on streets or highways. Wheels should be inspected and tires properly installed and torqued in place before use. Maximum tire pressure: 25 psi. Center cap and lug nuts not included. Wheels have 3-3/4" back spacing. Due to the varied conditions and extreme manner in which off-road driving occurs, no warranty is implied or expressed. Please note: WHEELS CANNOT BE RETURNED.