HD replacement spring for 35166.9004, meant for 500lbs additional weight on rear axle. If ran with out the proper amount of weight, too much lift will cause poor ride quality.
Front Adjustable Threaded Spring Perch to Accommodate Increased Loads and Maximum Clearance. ERO Off-Road Race Spring Equipped and Compatible.This Part Fits:YearMakeModelSubmodel2021-2024FordBronco
Listed rear lift heights range from 0lbs(1st height listed) to 500lbs(2nd height listed). Only recommended to run at fully load height, other heights listed for reference only. Too much lift will...