National has built a reputation as one of the most respected names in the industry. We have offered premium sealing solutions for more than 75 years. Our design team keeps pace with the industry and provides advanced solutions for today's vehicles. Product Features:Unbeatable protection for wheel end systemsCast aluminum hub capZytel inspection window resists window clouding and crackingSteel Torx screws eliminate back-out and resist contaminationSlit-style vent plugs reduce pressure while preventing contaminationFel-Pro hub cap gasket included
