Product Description:
93-02 Camaro/Firebird Proforged Upper Ball Joint, Standard, UMI Performance Sold Each.
Proforged ball joints are built using some of the toughest steel on the planet. Forged SAE4140 chromoly steel studs are enclosed in forged SAE1045 housings, heat treated for strength and durability, and every fit surface is CNC machined for precision fit and finish. Each unit is sealed with specially-designed CR-rubber boots for ultimate durability.