In addition, triple ridge seals help keep out dirt and contaminants to maximize joint life.
.Each of the X-Joints forged bearing caps feature an individual grease Zerk fitting for quick, easy and complete lubrication. 07-18 Wrangler JK, 2 & 4 Door;Rubicon models only;Super Dana 44 front axle;Bearing caps feature an individual grease Zerk Comes complete with four 360-degree retaining clips, four 180-degree retaining clips and four grease Zerk fittings;California Residents: WARNING Alloy USA has incorporated a number of design features to ensure the joints stand up to the stresses of off-roading. Alloy USA Super Dana 44 X-Joint - 11502 The new heavy-duty X-Joints are a direct replacement for the factory U-joints and are manufactured from 8620 case hardened alloy steel.