Backed by superior materials and rigorous testing, MOOG Anti-Galvanic universal joints deliver reliable performance you can count on. MOOG problem-solving innovations ensure fast, hassle-free installations. Product Features:INHIBITS GALVANIC REACTION -- Designed specifically for aluminum yokes to avoid a galvanic reaction that leads to corrosionSTRONG AND DURABLE -- Bearing cups are cold-forged, case-hardened and precision ground while steel cross is forged and carburized heat treated for strength and durabilityCORROSION PROTECTION -- Bearing cups and snap rings are chemically-coated to protect aluminum yokesKEEPS DIRT OUT -- Nitrile rubber grease seals with double lip design protects components from wear-causing contaminantsGREASABLE DESIGN -- Radial design of bearing cups allows 360 Degrees lubricant distribution to all bearing surfaces to flush out contaminants and moisture to reduce corrosion and wearRIGOROUS TESTING -- Comprehensive testing throughout design and development processes by MOOG engineers for quality you can count on