Lifetime warrantyIndustry leading durability and longevityExclusive Ultraselect Bearing Design exceeds OE specificationsFactory lubed to lengthen life and includes Zerk fittingSuperior torque and load handling abilityA premium quality U-Joint engineered and manufactured by GMB to handle exceptionally high loads and torque. Precision trunions and bearing surfaces provide a long life while the exclusive GMB Ultraselect Bearing Design exceeds OE specifications. Included is the factory lubing as well as a Zerk fitting for additional lubrication where applicable. These are quality U-Joints designed to provide years of satisfaction and durability.