The Tuff Country P/N 20830 Ford track bar bracket is designed to be used with 4 inch suspension systems. Used to drop the stock track bar back to proper geometery to allow proper alignment.Details: Track Bar Bracket - 4 Inch Drop Fits with 4 inch suspension lifts All required hardware included Limited Lifetime Warranty Made In The USA Sold As A Kit Fits: 1980-1977 Ford F350 4WD