Low Friction Lower Ball Jointball Joint, Greasable, Lower, Press-In, Low Friction, 2.18 In Od, 0.375 In Extended Length, Hardware Included, Eachpress In Knurl O.D. Is 1.975".Length From Housing Step To End Of Threads Is 4.030".Threads Is 1.218" Long.Taper Is 1.185" Long With Small End .700 And Big End .890".2" Per Foot Tapermounting Stylepress Intake A Partnoupper/Lowerlowergreasableyeslow Frictionyesstud Extended Length0.375 Inhousing Outside Diameter2.18 Inhardware Includedyesboot Includedyeshousing Materialsteelhousing Colorzinchousing Finishoxidequantityeach