Kit Includes:- Two (2) upper ball joints- Two (2) lower ball jointsSAE 4140 heat inducted forged ball studSAE 1045 solid steel forged housingGrade 8 SAE Class 10 alloy steel nutChloroprene rubber dust covers; heat and oil resistantCNC machined housingComes with zerk fitting (pregreased from the factory)Polished stud and step threadFits:Jeep Wrangler JL 2 Door (2018+)Jeep Wrangler JL 4 Door Unlimited (2018+)Jeep Gladiator JT (2020+)