The Alloy USA JK HD ball joints were designed with a low profile (grease) zerk fitting, a feature not offered on factory replacement parts. Inner insert is replaced by a high strength steel socket. (Replaces factory plastic nylon insert). This steel insert increases Ball Joint strength. This is a must for lifted vehicles running tires larger than stock. Ball and socket use an exclusive threaded preload system that prolongs Joint life. Ball and shaft are constructed from SAE 4150 Chromoly steel. Will not work with RCV shafts. Will not work with front CV axle shafts.

Premium steel socket insert

Zerk grease fitting allows for
continued maintenance

Over time big tires will quicken wear on factory ball joints, which could lead to death wobble and stability problems. Alloy USA has the safe reliable solution with these new Heavy Duty Ball Joint Kits. Constructed of high strength steel for greater durability and toughness to minimize wear, these ball joints have unique low-profile zerk fittings for regular maintenance, a feature not available with the factory original style. Inside, the insert has been replaced with a high strength steel socket which replaces the factory nylon insert. The use of steel greatly increases the overall ball joint strength and durability. A “must” for lifted vehicles running any tire larger than stock applications. The new SAE 4140 chromoly steel ball joints are assembled using an exclusive threaded preload system to ensure tolerance for prolonged ball joint life and precise steering.

Standard Features
Heavy duty ball joint kit includes 2 upper and 2 lower ball joints
Made from SAE 4120 and 4140 heat treated high grade steel
Zerk grease fitting allows for continued maintenance
Ball joints can be greased after installation
Kits feature threaded preload system for prolonged ball joint life and precise steering

Limited 5-Year Warranty
Subject to the terms, exclusions and limitations herein and with respect only to products first sold in the United States, Omix-ADA warrants to the initial retail purchaser (“purchaser”) only that when installed and used on purchaser's vehicle according to supplied product installation instructions and/or warnings, purchaser's Omix-ADA product shall be free of defects in material and workmanship for five (5) years.

About Rugged Ridge
Rugged Ridge develops and sells Jeep parts accessories for the growing Jeep and off road enthusiast market. Rugged Ridge is a division of Omix-ADA, the market-leader for replacement and restoration Jeep parts. With this know-how and experience the Rugged Ridge pedigree is well established in the Jeep market and with the Jeep enthusiast. Realizing that there was a need for new Jeep accessories, the Rugged Ridge brand was established in 2005 to fill that need. Rugged Ridge has designed and manufactured over 3,000 products for the Jeep market and continues to develop hundreds of additional Jeep accessories each year. Many of the recent developed Jeep accessories are patented, like the Jeep floor liners, Jeep snorkel and Jeep XHD modular bumpers. Count on Rugged Ridge to provide you with true and proven Jeep parts and accessories.