This Kit is constructed using High-Quality OEM spec replacements for 1954, 1955, and 1956 Ford and Mercury Full Size Vehicles. These parts are Factory Design and will only work with Stock Vehicles. This Kit Contains All Of The Pieces Below: Upper Ball Joints (2 Each) and Lower Ball Joints (2 Each). This Kit Also Contains The Cotter Pins, Rubber Grease Seals/boots, Zerk Fittings (When Applicable), And The Bolts For The Ball Joints.