Constructed from a single 5/16" stamped steel plate, this extremely heavy duty differential cover is made to withstand huge impact without damage! It fits all Dana 30 axles so use this to protect you expensive gears and locker frombeing destroyed when you slip off rocks and land differential first. Your front differential is one one of the more vulnerable drivetrain components and this cover will do itsjob protecting it time and time again. It comes complete with new mounting hardware, fill plug, and silicon gasketmaker! Made proudly in the USA by Alloy USA.