This Next Generation sealed, maintenance-free adjustable ball joint replacement is the evolution of ball joint design. Upgrade or replace worn ball joints on your SPC Performance Adjustable Upper Control Arms with these revolutionary new joints. Designed, engineered and assembled in Colorado, these next generation ball joints are the result of a relentless pursuit of perfection and performance. Features Include: A new sealed, maintenance-free design with Forged steel housing featuring a patented design for camber & caster adjustment with a corrosion preventative coating. A new One Piece Polymer race for low turning torque and smooth operation. A massive 36mm ball that features 80° of articulation and 25% increase in neck cross section vs. OE. Forged ball stud includes unique E-Nickel coating for superior internal corrosion protection and provision for spindle gussets on most models. New sealed boot design to keep grease in and contaminants out. New grease formula for smooth operation and reduced wear. These ball joints are reverse compatible and a direct replacement for the SPC upper control arm sets. Replaces Ball Joint on SPC Arms - 25470, 25540, 25560, 25660

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