These universal joints are manufactured to meet or exceed original equipment specifications. This results in a better fit, reduced vibration and less maintenance. The journal crosses are heat-treated and engineered to maximize life. Specially designed lubrication grooves are used to ensure grease penetration to the entire journal and needle bearings. The nitrile rubber seals are long wearing and abrasion resistant. They optimize grease retention and prevent contamination. Anti-corrosion coating enhances the durability for marine use and applications. The Heat-treated journal crosses engineered to maximize life expectancy. The Nitrile rubber seals to optimize grease retention and reduce contamination.